{"id":977,"date":"2026-07-20T14:22:39","date_gmt":"2026-07-20T06:22:39","guid":{"rendered":"https:\/\/collagensei.com\/?p=977"},"modified":"2026-08-20T15:12:47","modified_gmt":"2026-08-20T07:12:47","slug":"l-%e8%9b%8b%e6%b0%a8%e9%85%b8-vs-dl-%e8%9b%8b%e6%b0%a8%e9%85%b8","status":"publish","type":"post","link":"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/","title":{"rendered":"L-\u86cb\u6c28\u9178\u8207 DL-\u86cb\u6c28\u9178\uff1a\u5dee\u7570\u3001\u5b89\u5168\u6027\u8207\u54c1\u8cea\u6307\u5357"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_87 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u9304<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u63db\u5167\u5bb9\u8868\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u63db<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#L-Methionine_vs_DL-Methionine_at_a_Glance\" >L-\u86cb\u80f1\u6c28\u9178\u8207 DL-\u86cb\u80f1\u6c28\u9178\u4e00\u89bd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#What_Is_L-Methionine\" >\u4ec0\u9ebc\u662f L-\u86cb\u6c28\u9178\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#What_Is_DL-Methionine\" >\u4ec0\u9ebc\u662f DL-\u86cb\u80fa\u9178\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Is_Methionine_the_Same_as_L-Methionine\" >\u7532\u786b\u80fa\u9178\u548c L-\u7532\u786b\u80fa\u9178\u662f\u4e00\u6a23\u7684\u55ce\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#How_Humans_Use_D-Methionine\" >\u4eba\u985e\u5982\u4f55\u5229\u7528 D-\u7532\u786b\u80fa\u9178<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Human_Evidence_vs_Animal-Feed_Evidence\" >\u4eba\u985e\u8b49\u64da\u8207\u52d5\u7269\u98fc\u6599\u8b49\u64da\u4e4b\u6bd4\u8f03<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Which_Form_Is_Better_for_Human_Supplements\" >\u5c0d\u65bc\u4eba\u9ad4\u71df\u990a\u88dc\u5145\u54c1\u4f86\u8aaa\uff0c\u54ea\u7a2e\u5f62\u5f0f\u6bd4\u8f03\u597d\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Stability_Solubility_and_Manufacturing_Differences\" >\u7a69\u5b9a\u6027\u3001\u6eb6\u89e3\u5ea6\u8207\u88fd\u9020\u4e0a\u7684\u5dee\u7570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Safety_and_Dose_Considerations\" >\u5b89\u5168\u6027\u8207\u5291\u91cf\u8003\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Methionine_and_Homocysteine\" >\u7532\u786b\u80fa\u9178\u8207\u540c\u578b\u534a\u80f1\u80fa\u9178<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Quality_Specification_Checklist\" >\u54c1\u8cea\u898f\u683c\u6aa2\u67e5\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Formulation_Considerations_for_Supplement_Brands\" >\u71df\u990a\u88dc\u5145\u54c1\u54c1\u724c\u7684\u914d\u65b9\u8003\u91cf<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Capsules\" >\u81a0\u56ca<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Tablets\" >\u9320\u5291<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Powders\" >\u7c89\u672b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Protein_and_Amino_Acid_Blends\" >\u86cb\u767d\u8cea\u8207\u80fa\u57fa\u9178\u6df7\u5408\u7269<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#RFP_Questions_for_a_Methionine_Supplier_or_Manufacturer\" >\u91dd\u5c0d\u7532\u786b\u80fa\u9178\u4f9b\u61c9\u5546\u6216\u88fd\u9020\u5546\u7684 RFP \u63d0\u554f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Where_GENSEI_Fits\" >GENSEI \u7684\u5b9a\u4f4d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Frequently_Asked_Questions\" >\u5e38\u898b\u554f\u984c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#What_is_the_difference_between_L-methionine_and_DL-methionine\" >L-\u86cb\u80f1\u6c28\u9178\u8207DL-\u86cb\u80f1\u6c28\u9178\u6709\u4f55\u5340\u5225\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Is_DL-methionine_safe_for_humans\" >DL-\u86cb\u80fa\u9178\u5c0d\u4eba\u9ad4\u5b89\u5168\u55ce\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Is_L-methionine_more_bioavailable_than_DL-methionine\" >L-\u86cb\u80fa\u9178\u7684\u751f\u7269\u5229\u7528\u5ea6\u662f\u5426\u9ad8\u65bcDL-\u86cb\u80fa\u9178\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Is_methionine_the_same_as_L-methionine\" >\u7532\u786b\u80fa\u9178\u548c L-\u7532\u786b\u80fa\u9178\u662f\u4e00\u6a23\u7684\u55ce\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Why_is_DL-methionine_common_in_animal_feed\" >\u70ba\u4ec0\u9ebc DL-\u86cb\u80fa\u9178\u5728\u52d5\u7269\u98fc\u6599\u4e2d\u5f88\u5e38\u898b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Can_methionine_supplements_support_hair_or_liver_health\" >\u7532\u786b\u80fa\u9178\u88dc\u5145\u5291\u80fd\u4fc3\u9032\u982d\u9aee\u6216\u809d\u81df\u5065\u5eb7\u55ce\uff1f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#Final_Takeaway\" >\u6700\u7d42\u5fc3\u5f97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/collagensei.com\/zh\/l-methionine-vs-dl-methionine\/#References\" >\u53c3\u8003\u8cc7\u6599<\/a><\/li><\/ul><\/nav><\/div>\n\n<article>\nL-\u86cb\u80f1\u6c28\u9178\u662f\u4eba\u985e\u86cb\u767d\u8cea\u5408\u6210\u904e\u7a0b\u4e2d\u76f4\u63a5\u4f7f\u7528\u7684\u55ae\u4e00 L-\u5c0d\u6620\u9ad4\u3002DL-\u86cb\u80f1\u6c28\u9178\u5247\u662f\u4e00\u7a2e\u5916\u6d88\u65cb\u6df7\u5408\u7269\uff0c\u5176\u4e2d L-\u86cb\u80f1\u6c28\u9178\u8207 D-\u86cb\u80f1\u6c28\u9178\u7684\u542b\u91cf\u5927\u81f4\u76f8\u7b49\u3002\u96d6\u7136\u4eba\u9ad4\u80fd\u5c07\u90e8\u5206 D-\u86cb\u80f1\u6c28\u9178\u8f49\u5316\u70ba\u4ee3\u8b1d\u6240\u9700\u7269\u8cea\uff0c\u4f46\u73fe\u6709\u4eba\u9ad4\u7814\u7a76\u8b49\u64da\u4e26\u672a\u652f\u6301\u5728\u6240\u6709\u71df\u990a\u88dc\u5145\u54c1\u61c9\u7528\u4e2d\uff0c\u5c07\u9019\u5169\u7a2e\u6210\u5206\u8996\u70ba\u81ea\u52d5\u7b49\u540c\u3002.<p><\/p>\n \n<p>\u672c\u6307\u5357\u65e8\u5728\u5354\u52a9\u6d88\u8cbb\u8005\u6bd4\u8f03\u7522\u54c1\u6a19\u7c64\u8cc7\u8a0a\uff0c\u540c\u6642\u4f9b\u81b3\u98df\u88dc\u5145\u5291\u54c1\u724c\u3001\u914d\u65b9\u5e2b\u53ca\u63a1\u8cfc\u5718\u968a\u9078\u7528\u7532\u786b\u80fa\u9178\u539f\u6599\u6642\u53c3\u8003\u3002\u52d5\u7269\u98fc\u6599\u7814\u7a76\u7d50\u679c\u4e26\u4e0d\u80fd\u76f4\u63a5\u4f5c\u70ba\u4eba\u985e\u751f\u7269\u5229\u7528\u5ea6\u6216\u5065\u5eb7\u6548\u679c\u7684\u8b49\u64da\u3002\u82e5\u9700\u9ad8\u5291\u91cf\u4f7f\u7528\u3001\u60a3\u6709\u7279\u5b9a\u75be\u75c5\uff0c\u6216\u8655\u65bc\u61f7\u5b55\u6216\u54fa\u4e73\u671f\u9593\uff0c\u8acb\u52d9\u5fc5\u8aee\u8a62\u5408\u683c\u5c08\u696d\u4eba\u58eb\u7684\u610f\u898b\u3002.<\/p>\n \n<p>\u54c1\u724c\u53ef\u5c07\u4e0b\u65b9\u7684\u300c\u8b49\u64da\u300d\u3001\u300c\u898f\u683c\u300d\u53ca\u300c\u63d0\u6848\u8acb\u6c42\u66f8\uff08RFP\uff09\u300d\u90e8\u5206\uff0c\u8207 GENSEI \u7684 <a href=\"https:\/\/collagensei.com\/zh\/%e5%a4%a7%e5%ae%97%e6%b0%a8%e5%9f%ba%e9%85%b8%e5%8e%9f%e6%96%99%e4%be%9b%e6%87%89%e5%95%86\/\" target=\"_blank\" rel=\"noopener\">\u6c28\u57fa\u9178\u539f\u6599\u6279\u767c\u4e2d\u5fc3<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-methionine-vs-dl-methionine-comparison.webp\" alt=\"L-\u86cb\u80fa\u9178\u8207DL-\u86cb\u80fa\u9178\u5728\u7570\u69cb\u9ad4\u7d44\u6210\u3001\u4eba\u9ad4\u61c9\u7528\u53ca\u54c1\u8cea\u65b9\u9762\u7684\u6bd4\u8f03\" class=\"wp-image-23690\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-methionine-vs-dl-methionine-comparison.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-methionine-vs-dl-methionine-comparison-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-methionine-vs-dl-methionine-comparison-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-methionine-vs-dl-methionine-comparison-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"L-Methionine_vs_DL-Methionine_at_a_Glance\"><\/span>L-\u86cb\u80f1\u6c28\u9178\u8207 DL-\u86cb\u80f1\u6c28\u9178\u4e00\u89bd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr><th>\u56e0\u5b50<\/th><th>L-\u86cb\u6c28\u9178<\/th><th>DL-\u86cb\u6c28\u9178<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u7570\u69cb\u9ad4\u7d44\u6210<\/td><td>\u55ae\u4e00 L-\u5c0d\u6620\u9ad4<\/td><td>\u542b\u6709\u7d04 50% L-\u53ca 50% D-\u7532\u786b\u80fa\u9178\u7684\u6d88\u65cb\u6df7\u5408\u7269<\/td><\/tr>\n<tr><td>\u4eba\u9ad4\u4ee3\u8b1d\u5229\u7528<\/td><td>\u76f4\u63a5\u6574\u5408\u81f3\u86cb\u767d\u8cea\u4e2d\uff0c\u4e26\u53c3\u8207\u786b\u80fa\u57fa\u9178\u4ee3\u8b1d<\/td><td>L \u7d44\u5206\u53ef\u76f4\u63a5\u4f7f\u7528\uff1bD \u7d44\u5206\u5247\u9700\u7d93\u8f49\u63db\u5f8c\uff0c\u65b9\u80fd\u9032\u5165 L-\u7532\u786b\u80fa\u9178\u4ee3\u8b1d\u9014\u5f91<\/td><\/tr>\n<tr><td>\u4eba\u985e\u8b49\u64da<\/td><td>\u86cb\u767d\u8cea\u4e2d\u5b58\u5728\u7684\u751f\u7406\u6027\u81b3\u98df\u5f62\u5f0f<\/td><td>\u8f03\u65e9\u7684\u4eba\u9ad4\u7814\u7a76\u6578\u64da\u986f\u793a\uff0cD \u7d44\u5206\u7684\u4f7f\u7528\u6548\u7387\u53ef\u80fd\u4f4e\u65bc\u52d5\u7269\u98fc\u6599\u6587\u737b\u6240\u6307\u51fa\u7684\u7a0b\u5ea6<\/td><\/tr>\n<tr><td>\u5e38\u898b\u7684\u5546\u696d\u5b9a\u4f4d<\/td><td>\u4eba\u9ad4\u71df\u990a\u3001\u80fa\u57fa\u9178\u6df7\u5408\u7269\u3001\u98df\u54c1\u53ca\u71df\u990a\u88dc\u5145\u54c1\u914d\u65b9<\/td><td>\u5ee3\u6cdb\u61c9\u7528\u65bc\u52d5\u7269\u71df\u990a\u9818\u57df\uff1b\u4ea6\u7372\u7f8e\u570b\u98df\u54c1\u85e5\u7269\u7ba1\u7406\u5c40\uff08FDA\uff09\u5217\u70ba\u5177\u7279\u5b9a\u98df\u54c1\u6210\u5206\u529f\u80fd\u7684\u7269\u8cea<\/td><\/tr>\n<tr><td>\u6a19\u7c64\u6e05\u6670\u5ea6<\/td><td>\u901a\u5e38\u6a19\u793a\u70ba L-\u7532\u786b\u80fa\u9178<\/td><td>\u5728\u9069\u7528\u60c5\u6cc1\u4e0b\uff0c\u61c9\u6a19\u793a\u70ba DL-\u7532\u786b\u80fa\u9178\u6216\u5916\u6d88\u65cb\u7532\u786b\u80fa\u9178<\/td><\/tr>\n<tr><td>\u4e3b\u8981\u8cb7\u5bb6\u554f\u984c<\/td><td>\u8a72\u539f\u6599\u662f\u5426\u7b26\u5408\u6210\u5206\u3001\u624b\u6027\u7d14\u5ea6\u53ca\u6210\u54c1\u8981\u6c42\uff1f<\/td><td>\u662f\u5426\u6709\u7d93\u6587\u737b\u8a18\u8f09\u7684\u4eba\u9ad4\u4f7f\u7528\u4f9d\u64da\u3001\u9069\u7528\u8b49\u64da\uff0c\u4ee5\u53ca\u91dd\u5c0d\u7279\u5b9a\u5e02\u5834\u7684\u76e3\u7ba1\u5be9\u67e5\uff1f<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Is_L-Methionine\"><\/span>\u4ec0\u9ebc\u662f L-\u86cb\u6c28\u9178\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L-\u86cb\u6c28\u9178\u662f\u4e00\u7a2e\u5fc5\u9700\u7684\u542b\u786b\u80fa\u57fa\u9178\u3002\u4eba\u9ad4\u7121\u6cd5\u5408\u6210\u8db3\u5920\u7684\u91cf\u4ee5\u6eff\u8db3\u6b63\u5e38\u9700\u6c42\uff0c\u56e0\u6b64\u86cb\u6c28\u9178\u5fc5\u9808\u5f9e\u81b3\u98df\u86cb\u767d\u8cea\u6216\u5176\u4ed6\u9069\u7576\u7684\u71df\u990a\u4f86\u6e90\u4e2d\u651d\u53d6\u3002\u5b83\u53c3\u8207\u86cb\u767d\u8cea\u5408\u6210\uff0c\u4e26\u662f S-\u817a\u82f7\u7532\u786b\u80fa\u9178\u3001\u534a\u80f1\u80fa\u9178\u53ca\u5176\u4ed6\u542b\u786b\u4ee3\u8b1d\u7522\u7269\u7684\u524d\u9ad4\u3002.<\/p>\n \n<p>\u5c31\u5546\u696d\u63a1\u8cfc\u800c\u8a00\uff0c\u300cL-\u86cb\u6c28\u9178\u300d\u61c9\u6307 L-\u5c0d\u6620\u9ad4\uff0c\u4f46\u50c5\u6191\u6b64\u540d\u7a31\u5c1a\u4e0d\u69cb\u6210\u5b8c\u6574\u7684\u898f\u683c\u8aaa\u660e\u3002\u8cb7\u65b9\u61c9\u6838\u5c0d\u5206\u6790\u5831\u544a\uff08COA\uff09\u4e2d\u8f09\u660e\u7684\u542b\u91cf\u3001\u6210\u5206\u3001\u6bd4\u65cb\u5149\u5ea6\u6216\u5c0d\u6620\u9ad4\u7d14\u5ea6\u3001\u76f8\u95dc\u7269\u8cea\u3001\u6c34\u5206\u3001\u7c92\u5ea6\u4ee5\u53ca\u5831\u544a\u4f9d\u64da\u3002\u8acb\u6aa2\u8996 <a href=\"https:\/\/collagensei.com\/zh\/%e5%a4%a7%e5%ae%97%e6%b0%a8%e5%9f%ba%e9%85%b8%e5%8e%9f%e6%96%99%e4%be%9b%e6%87%89%e5%95%86\/l-%e8%9b%8b%e6%b0%a8%e9%85%b8%e7%b2%89%e6%9c%ab\/\" target=\"_blank\" rel=\"noopener\">L-\u7532\u786b\u80fa\u9178\u7c89\u672b\u898f\u683c\u8aaa\u660e\u9801\u9762<\/a> \u4ee5\u4e86\u89e3\u4f86\u6e90\u80cc\u666f\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"What_Is_DL-Methionine\"><\/span>\u4ec0\u9ebc\u662f DL-\u86cb\u80fa\u9178\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>DL-\u7532\u786b\u80fa\u9178\u662f D-\u7532\u786b\u80fa\u9178\u8207 L-\u7532\u786b\u80fa\u9178\u7684\u6d88\u65cb\u6df7\u5408\u7269\u3002\u9019\u5169\u7a2e\u5206\u5b50\u7684\u5316\u5b78\u5f0f\u76f8\u540c\uff0c\u4f46\u4e09\u7dad\u53d6\u5411\u4e0d\u540c\u3002L \u578b\u53ef\u76f4\u63a5\u9032\u5165\u4eba\u9ad4\u7684\u5e38\u898f\u7532\u786b\u80fa\u9178\u4ee3\u8b1d\u9014\u5f91\uff1bD \u578b\u5247\u5fc5\u9808\u5148\u7d93\u904e\u9176\u4fc3\u8f49\u5316\uff0c\u624d\u80fd\u53c3\u8207 L-\u7532\u786b\u80fa\u9178\u7684\u4ee3\u8b1d\u3002.<\/p>\n \n<p>DL-\u86cb\u80fa\u9178\u5728\u52d5\u7269\u98fc\u6599\u9818\u57df\u4e2d\u5df2\u53d7\u5230\u5ee3\u6cdb\u7814\u7a76\u8207\u61c9\u7528\u3002\u7531\u65bc\u4e0d\u540c\u7269\u7a2e\u7684\u5229\u7528\u7387\u5404\u7570\uff0c\u56e0\u6b64\u4e0d\u61c9\u5c07\u5bb6\u79bd\u3001\u8c6c\u96bb\u6216\u5176\u4ed6\u52d5\u7269\u7684\u6578\u64da\u4f5c\u70ba\u6210\u4eba\u4eba\u985e\u88dc\u5145\u5291\u751f\u7269\u5229\u7528\u5ea6\u3001\u5291\u91cf\u6216\u7642\u6548\u7684\u76f4\u63a5\u4f9d\u64da\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"545\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-d-dl-methionine-stereochemistry-diagram.webp\" alt=\"L-\u86cb\u6c28\u9178\u3001D-\u86cb\u6c28\u9178\u53caDL-\u86cb\u6c28\u9178\u7684\u7acb\u9ad4\u5316\u5b78\u5716\" class=\"wp-image-23692\" srcset=\"https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-d-dl-methionine-stereochemistry-diagram.webp 1000w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-d-dl-methionine-stereochemistry-diagram-300x164.webp 300w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-d-dl-methionine-stereochemistry-diagram-768x419.webp 768w, https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/l-d-dl-methionine-stereochemistry-diagram-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Is_Methionine_the_Same_as_L-Methionine\"><\/span>\u7532\u786b\u80fa\u9178\u548c L-\u7532\u786b\u80fa\u9178\u662f\u4e00\u6a23\u7684\u55ce\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e26\u975e\u7e3d\u662f\u5982\u6b64\u3002\u5728\u71df\u990a\u79d1\u5b78\u4e2d\uff0c\u300c\u7532\u786b\u80fa\u9178\u300d\u901a\u5e38\u6307\u5b58\u5728\u65bc\u86cb\u767d\u8cea\u4e2d\u7684 L-\u80fa\u57fa\u9178\u3002\u7136\u800c\uff0c\u5728\u5546\u696d\u6587\u4ef6\u4e2d\uff0c\u6b64\u8a5e\u7684\u542b\u7fa9\u53ef\u80fd\u4e0d\u660e\u78ba\u3002\u50c5\u88ab\u63cf\u8ff0\u70ba\u300c\u7532\u786b\u80fa\u9178\u300d\u7684\u539f\u6599\uff0c\u53ef\u80fd\u662f L-\u7532\u786b\u80fa\u9178\u3001DL-\u7532\u786b\u80fa\u9178\u3001\u9810\u6df7\u6599\uff0c\u6216\u662f\u5176\u4ed6\u7532\u786b\u80fa\u9178\u4f86\u6e90\u3002.<\/p>\n \n<p>\u54c1\u724c\u61c9\u5728\u6279\u51c6\u898f\u683c\u6216\u6a19\u7c64\u4e4b\u524d\uff0c\u78ba\u8a8d\u5176\u7acb\u9ad4\u5316\u5b78\u5f62\u5f0f\u3002\u53e6\u6709\u4e00\u9805\u91dd\u5c0d <a href=\"https:\/\/collagensei.com\/zh\/%e8%9b%8b%e6%b0%a8%e9%85%b8\/\" target=\"_blank\" rel=\"noopener\">SAMe \u8207 L-\u86cb\u80fa\u9178\u7684\u6bd4\u8f03<\/a> \u7576\u5546\u696d\u6210\u5206\u70ba S-\u817a\u82f7-L-\u7532\u786b\u80fa\u9178\u800c\u975e\u6e38\u96e2\u7532\u786b\u80fa\u9178\u6642\uff0c\u6b64\u65b9\u6cd5\u4fbf\u6d3e\u4e0a\u7528\u5834\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"How_Humans_Use_D-Methionine\"><\/span>\u4eba\u985e\u5982\u4f55\u5229\u7528 D-\u7532\u786b\u80fa\u9178<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4eba\u9ad4\u5167\u5b58\u5728\u80fd\u5c07\u7279\u5b9a D-\u80fa\u57fa\u9178\u8f49\u5316\u70ba\u4e2d\u9593\u4ee3\u8b1d\u7522\u7269\u7684\u9176\uff0c\u9019\u4e9b\u4e2d\u9593\u4ee3\u8b1d\u7522\u7269\u53ef\u80fd\u9032\u5165 L-\u80fa\u57fa\u9178\u7684\u4ee3\u8b1d\u9014\u5f91\u3002\u9019\u4e26\u4e0d\u610f\u5473\u8457 D-\u7532\u786b\u80fa\u9178\u8207 L-\u7532\u786b\u80fa\u9178\u5728\u4efb\u4f55\u5291\u91cf\u3001\u4efb\u4f55\u98df\u7269\u57fa\u8cea\u6216\u4efb\u4f55\u8a55\u4f30\u6307\u6a19\u4e0b\uff0c\u90fd\u5177\u6709\u76f8\u540c\u7684\u71df\u990a\u50f9\u503c\u3002.<\/p>\n \n<p>\u4e00\u9805\u8f03\u65e9\u671f\u7684\u5c0d\u7167\u4eba\u9ad4\u7814\u7a76\uff0c\u6bd4\u8f03\u4e86\u5728\u71d5\u9ea5\u70ba\u57fa\u790e\u7684\u98f2\u98df\u4e2d\u88dc\u5145 L-\u3001DL- \u53ca D-\u7532\u786b\u80fa\u9178\u7684\u6548\u679c\uff0c\u7d50\u679c\u986f\u793a L-\u7532\u786b\u80fa\u9178\u5728\u6c2e\u5e73\u8861\u65b9\u9762\u8868\u73fe\u8f03\u4f73\uff0c\u4e26\u7d50\u8ad6\u6307\u51fa D-\u7532\u786b\u80fa\u9178\u4f3c\u4e4e\u672a\u80fd\u88ab\u7814\u7a76\u53c3\u8207\u8005\u6709\u6548\u5229\u7528\u3002 \u7531\u65bc\u4eba\u9ad4\u7814\u7a76\u6578\u64da\u6709\u9650\uff0c\u56e0\u6b64\u5728\u7f3a\u4e4f\u76f4\u63a5\u9069\u7528\u7684\u4eba\u9ad4\u8b49\u64da\u4e4b\u524d\uff0c\u4e0d\u61c9\u767c\u8868\u8af8\u5982\u300c95% \u8207 80% \u7684\u751f\u7269\u5229\u7528\u5ea6\u300d\u9019\u985e\u56fa\u5b9a\u8072\u660e\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Human_Evidence_vs_Animal-Feed_Evidence\"><\/span>\u4eba\u985e\u8b49\u64da\u8207\u52d5\u7269\u98fc\u6599\u8b49\u64da\u4e4b\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr><th>\u8b49\u64da\u985e\u578b<\/th><th>\u652f\u63f4\u54ea\u4e9b\u529f\u80fd<\/th><th>\u4e0d\u652f\u63f4\u7684\u529f\u80fd<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u4eba\u9ad4\u4ee3\u8b1d\u6216\u5e73\u8861\u7814\u7a76<\/td><td>\u5728\u6e2c\u8a66\u98f2\u98df\u3001\u5291\u91cf\u53ca\u7d42\u9ede\u6307\u6a19\u4e0b\u7684\u4eba\u9ad4\u61c9\u7528<\/td><td>\u6bcf\u7a2e\u71df\u990a\u88dc\u5145\u54c1\u7684\u901a\u7528\u751f\u7269\u5229\u7528\u5ea6\u767e\u5206\u6bd4<\/td><\/tr>\n<tr><td>\u4eba\u9ad4\u5b89\u5168\u7814\u7a76\u6216\u8a55\u4f30<\/td><td>\u7814\u7a76\u5c0d\u8c61\u4e2d\u7684\u5291\u91cf\u76f8\u95dc\u4ee3\u8b1d\u6a19\u8a18\u7269\u53ca\u8010\u53d7\u6027<\/td><td>\u9069\u7528\u65bc\u6240\u6709\u5e74\u9f61\u5c64\u3001\u5b55\u5a66\u3001\u7279\u5b9a\u75be\u75c5\u72c0\u6cc1\u6216\u9577\u671f\u5927\u5291\u91cf\u4f7f\u7528\uff0c\u5747\u5b89\u5168\u7121\u865e<\/td><\/tr>\n<tr><td>\u5bb6\u79bd\u3001\u8c6c\u96bb\u6216\u5176\u4ed6\u98fc\u6599\u7814\u7a76<\/td><td>\u7269\u7a2e\u7279\u7570\u6027\u98fc\u6599\u8f49\u5316\u7387\u3001\u751f\u9577\u8207\u52d5\u7269\u4ee3\u8b1d<\/td><td>\u4eba\u9ad4\u71df\u990a\u88dc\u5145\u54c1\u7684\u529f\u6548\u3001\u5438\u6536\u7387\u6216\u5291\u91cf\u7b49\u6548\u6027<\/td><\/tr>\n<tr><td>\u9ad4\u5916\u7814\u7a76\u6216\u9176\u5b78\u7814\u7a76<\/td><td>\u53ef\u80fd\u7684\u751f\u5316\u9014\u5f91\u6216\u8f49\u5316\u6a5f\u5236<\/td><td>\u81e8\u5e8a\u6548\u76ca\u6216\u6210\u54c1\u6027\u80fd<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Which_Form_Is_Better_for_Human_Supplements\"><\/span>\u5c0d\u65bc\u4eba\u9ad4\u71df\u990a\u88dc\u5145\u54c1\u4f86\u8aaa\uff0c\u54ea\u7a2e\u5f62\u5f0f\u6bd4\u8f03\u597d\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c0d\u65bc\u5927\u591a\u6578\u91dd\u5c0d\u4eba\u985e\u7684\u71df\u990a\u88dc\u5145\u54c1\u5c08\u6848\u800c\u8a00\uff0cL-\u86cb\u6c28\u9178\u662f\u66f4\u660e\u78ba\u7684\u8d77\u9ede\uff0c\u56e0\u70ba\u5b83\u662f\u4eba\u9ad4\u86cb\u767d\u8cea\u5408\u6210\u904e\u7a0b\u4e2d\u76f4\u63a5\u4f7f\u7528\u7684\u751f\u7406\u6027\u5c0d\u6620\u7570\u69cb\u9ad4\u3002DL-\u86cb\u6c28\u9178\u5728\u7279\u5b9a\u7684\u98df\u54c1\u6216\u5de5\u696d\u61c9\u7528\u60c5\u5883\u4e2d\u6216\u8a31\u9069\u5408\uff0c\u4f46\u4e0d\u61c9\u50c5\u56e0\u5176\u50f9\u683c\u8f03\u4f4e\uff0c\u6216\u662f\u5728\u52d5\u7269\u98fc\u6599\u7814\u7a76\u4e2d\u8868\u73fe\u826f\u597d\uff0c\u5c31\u9078\u64c7\u4f7f\u7528\u5b83\u3002.<\/p>\n \n<table>\n<thead>\n<tr><th>\u7522\u54c1\u61c9\u7528\u60c5\u5883<\/th><th>\u5efa\u8b70\u7684\u8d77\u9ede<\/th><th>\u7406\u7531<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u55ae\u4e00\u6210\u5206\u7684\u4eba\u9ad4\u71df\u990a\u88dc\u5145\u54c1<\/td><td>L-\u86cb\u6c28\u9178<\/td><td>\u660e\u78ba\u7684\u7acb\u9ad4\u5316\u5b78\u7279\u6027\uff0c\u4e14\u8207\u4eba\u9ad4\u4ee3\u8b1d\u76f4\u63a5\u76f8\u95dc<\/td><\/tr>\n<tr><td>\u591a\u7a2e\u80fa\u57fa\u9178\u8907\u5408\u914d\u65b9<\/td><td>L-\u86cb\u6c28\u9178<\/td><td>\u7c21\u5316\u914d\u65b9\u539f\u7406\u3001\u898f\u683c\u53ca\u6a19\u7c64\u8cc7\u8a0a\u7684\u50b3\u9054<\/td><\/tr>\n<tr><td>\u98df\u54c1\u5f37\u5316<\/td><td>\u91dd\u5c0d\u7279\u5b9a\u5e02\u5834\u7684\u6aa2\u8a0e<\/td><td>\u5fc5\u9808\u8a55\u4f30\u98df\u54c1\u8a31\u53ef\u3001\u6280\u8853\u529f\u80fd\u3001\u4f7f\u7528\u7b49\u7d1a\u53ca\u77e9\u9663<\/td><\/tr>\n<tr><td>\u52d5\u7269\u98fc\u6599<\/td><td>\u91dd\u5c0d\u7279\u5b9a\u7269\u7a2e\u7684\u914d\u65b9\u6c7a\u7b56<\/td><td>\u52d5\u7269\u71df\u990a\u6709\u5176\u7368\u7acb\u7684\u8b49\u64da\u8207\u76e3\u7ba1\u6846\u67b6<\/td><\/tr>\n<tr><td>\u6210\u672c\u9a45\u52d5\u7684\u66ff\u4ee3<\/td><td>\u8acb\u52ff\u81ea\u52d5\u66ff\u63db<\/td><td>\u539f\u6599\u6210\u672c\u8f03\u4f4e\uff0c\u4e26\u4e0d\u4ee3\u8868\u4eba\u985e\u7684\u71df\u990a\u50f9\u503c\u4e5f\u76f8\u540c<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Stability_Solubility_and_Manufacturing_Differences\"><\/span>\u7a69\u5b9a\u6027\u3001\u6eb6\u89e3\u5ea6\u8207\u88fd\u9020\u4e0a\u7684\u5dee\u7570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u82e5\u65b7\u8a00 DL-\u7532\u786b\u80fa\u9178\u672c\u8cea\u4e0a\u66f4\u7a69\u5b9a\uff0c\u56e0\u6b64\u66f4\u9069\u5408\u7528\u65bc\u81b3\u98df\u88dc\u5145\u5291\uff0c\u6b64\u8aaa\u6cd5\u904e\u65bc\u7c60\u7d71\u3002\u5176\u7a69\u5b9a\u6027\u8207\u53ef\u88fd\u9020\u6027\u53d6\u6c7a\u65bc\u5be6\u969b\u7b49\u7d1a\u3001\u751f\u7522\u88fd\u7a0b\u3001\u7c92\u5f91\u3001\u542b\u6c34\u91cf\u3001\u8f14\u6599\u3001\u52a0\u5de5\u689d\u4ef6\u3001\u5305\u88dd\u4ee5\u53ca\u6210\u54c1\u7684\u4fdd\u5b58\u671f\u9650\u3002.<\/p>\n \n<p>\u958b\u767c\u5de5\u4f5c\u61c9\u8a55\u4f30\uff1a<\/p>\n<ul>\n<li>\u542b\u91cf\u5206\u6790\u8207\u7acb\u9ad4\u5316\u5b78\u7d50\u69cb\u9451\u5b9a<\/li>\n<li>\u7c92\u5f91\u3001\u5806\u7a4d\u5bc6\u5ea6\u8207\u7c89\u672b\u6d41\u52d5\u6027<\/li>\n<li>\u5728\u76ee\u6a19\u593e\u96dc\u91cf\u4e0b\u7684\u6df7\u5408\u5747\u52fb\u6027<\/li>\n<li>\u6c34\u5206\u3001\u5438\u6fd5\u6027\u8207\u7d50\u584a<\/li>\n<li>\u6c23\u5473\u3001\u5473\u9053\u8207\u98a8\u5473\u7684\u76f8\u5bb9\u6027<\/li>\n<li>\u8207\u7dad\u751f\u7d20\u3001\u7926\u7269\u8cea\u3001\u86cb\u767d\u8cea\u53ca\u5176\u4ed6\u80fa\u57fa\u9178\u7684\u76f8\u4e92\u4f5c\u7528<\/li>\n<li>\u81a0\u56ca\u586b\u5145\u9ad4\u7a4d\u3001\u9320\u5291\u58d3\u88fd\u6216\u7c89\u672b\u5206\u6563\u884c\u70ba<\/li>\n<li>\u6210\u54c1\u7684\u6548\u529b\u53ca\u5176\u5728\u4fdd\u5b58\u671f\u9650\u5167\u7684\u964d\u89e3\u60c5\u6cc1<\/li>\n<\/ul>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Safety_and_Dose_Considerations\"><\/span>\u5b89\u5168\u6027\u8207\u5291\u91cf\u8003\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7532\u786b\u80fa\u9178\u96d6\u5c6c\u5fc5\u9700\u80fa\u57fa\u9178\uff0c\u4f46\u88dc\u5145\u651d\u53d6\u4e26\u975e\u5728\u4efb\u4f55\u5291\u91cf\u4e0b\u90fd\u5fc5\u7136\u6709\u76ca\u3002\u76f8\u95dc\u6587\u737b\u56de\u9867\u8207\u81e8\u5e8a\u8a66\u9a57\u986f\u793a\uff0c\u8f03\u9ad8\u7684\u88dc\u5145\u5291\u91cf\u53ef\u80fd\u6703\u5f71\u97ff\u540c\u534a\u80f1\u80fa\u9178\u53ca\u5176\u4ed6\u4ee3\u8b1d\u6307\u6a19\u3002\u73fe\u6709\u8b49\u64da\u5c1a\u7121\u6cd5\u78ba\u7acb\u4e00\u500b\u9069\u7528\u65bc\u6240\u6709\u4eba\u7684\u55ae\u4e00\u6d88\u8cbb\u8005\u5291\u91cf\u3002.<\/p>\n \n<p>\u5b55\u5a66\u6216\u54fa\u4e73\u671f\u5a66\u5973\u3001\u60a3\u6709\u809d\u81df\u6216\u814e\u81df\u75be\u75c5\u3001\u60a3\u6709\u5148\u5929\u6027\u4ee3\u8b1d\u7570\u5e38\u3001\u6b63\u5728\u4f7f\u7528\u8655\u65b9\u85e5\u7269\uff0c\u6216\u8a08\u5283\u4f7f\u7528\u9ad8\u5291\u91cf\u55ae\u4e00\u80fa\u57fa\u9178\u7522\u54c1\u7684\u4eba\u58eb\uff0c\u61c9\u5c0b\u6c42\u5c08\u696d\u6307\u5c0e\u3002\u5404\u54c1\u724c\u4e0d\u61c9\u5c07\u7532\u786b\u80fa\u9178\u88dc\u5145\u5291\u5ba3\u50b3\u70ba\u6cbb\u7642\u809d\u81df\u75be\u75c5\u3001\u6182\u9b31\u75c7\u3001\u4e2d\u6bd2\u3001\u812b\u9aee\u6216\u5176\u4ed6\u91ab\u7642\u72c0\u6cc1\u7684\u7642\u6cd5\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Methionine_and_Homocysteine\"><\/span>\u7532\u786b\u80fa\u9178\u8207\u540c\u578b\u534a\u80f1\u80fa\u9178<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u7532\u786b\u80fa\u9178\u7684\u4ee3\u8b1d\u904e\u7a0b\u6703\u7522\u751f\u540c\u534a\u80f1\u80fa\u9178\u3002\u8449\u9178\u3001\u7dad\u751f\u7d20 B12\u3001\u7dad\u751f\u7d20 B6 \u53ca\u5176\u4ed6\u71df\u990a\u7d20\u7686\u53c3\u8207\u4e00\u78b3\u4ee3\u8b1d\u53ca\u542b\u786b\u80fa\u57fa\u9178\u7684\u4ee3\u8b1d\u3002\u6b64\u4e00\u751f\u5316\u95dc\u4fc2\u4e26\u4e0d\u80fd\u4f5c\u70ba\u4f9d\u64da\uff0c\u7528\u4ee5\u652f\u6301\u300c\u5728\u6bcf\u7a2e\u7532\u786b\u80fa\u9178\u7522\u54c1\u4e2d\u6dfb\u52a0\u7dad\u751f\u7d20 B \u7fa4\u5373\u53ef\u9810\u9632\u5fc3\u8840\u7ba1\u75be\u75c5\u6216\u6d88\u9664\u76f8\u95dc\u98a8\u96aa\u300d\u7684\u8aaa\u6cd5\u3002.<\/p>\n \n<p>\u7576\u63d0\u51fa\u9ad8\u5291\u91cf\u7532\u786b\u80fa\u9178\u914d\u65b9\u6642\uff0c\u8a72\u54c1\u724c\u61c9\u5be9\u67e5\u6bcf\u65e5\u7e3d\u651d\u53d6\u91cf\u3001\u76ee\u6a19\u65cf\u7fa4\u3001\u4f7f\u7528\u671f\u9593\u3001\u8f14\u52a9\u71df\u990a\u7d20\u3001\u7528\u85e5\u72c0\u6cc1\u3001\u8b66\u793a\u8a9e\u4ee5\u53ca\u4eba\u9ad4\u5b89\u5168\u6027\u8b49\u64da\u7684\u54c1\u8cea\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Quality_Specification_Checklist\"><\/span>\u54c1\u8cea\u898f\u683c\u6aa2\u67e5\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<table>\n<thead>\n<tr><th>\u898f\u683c<\/th><th>\u61c9\u6838\u5be6\u7684\u4e8b\u9805<\/th><th>\u70ba\u4f55\u91cd\u8981<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>\u8eab\u5206<\/td><td>\u5316\u5b78\u540d\u7a31\u3001CAS \u7de8\u865f\u53ca\u7d93\u9a57\u8b49\u7684\u9451\u5b9a\u65b9\u6cd5<\/td><td>\u5340\u5206 L-\u7532\u786b\u80fa\u9178\u3001DL-\u7532\u786b\u80fa\u9178\u53ca\u5176\u4ed6\u4f86\u6e90<\/td><\/tr>\n<tr><td>\u624b\u6027\u6a19\u8b58<\/td><td>\u6bd4\u65cb\u5149\u5ea6\u3001\u5c0d\u6620\u9ad4\u7d14\u5ea6\u6216\u9069\u7576\u7684\u624b\u6027\u5206\u6790\u65b9\u6cd5<\/td><td>\u78ba\u8a8d\u6240\u8072\u660e\u7684\u7acb\u9ad4\u5316\u5b78\u5f62\u5f0f<\/td><\/tr>\n<tr><td>\u5206\u6790\u6cd5<\/td><td>\u76ee\u6a19\u767e\u5206\u6bd4\u3001\u4ee5\u4e7e\u91cd\u6216\u73fe\u72c0\u70ba\u57fa\u6e96\uff0c\u4ee5\u53ca\u5206\u6790\u65b9\u6cd5<\/td><td>\u652f\u63f4\u516c\u5f0f\u548c\u6a19\u7c64\u8a08\u7b97<\/td><\/tr>\n<tr><td>\u76f8\u95dc\u7269\u8cea<\/td><td>\u88fd\u7a0b\u96dc\u8cea\u3001\u6c27\u5316\u7522\u7269\u53ca\u5176\u9650\u503c<\/td><td>\u986f\u793a\u5176\u7d14\u5ea6\u8d85\u8d8a\u4e86\u6a19\u7a31\u5206\u6790\u7d50\u679c<\/td><\/tr>\n<tr><td>\u6b98\u7559\u6eb6\u5291<\/td><td>\u7279\u5b9a\u88fd\u7a0b\u7684\u9762\u677f\u8207\u6279\u6b21\u7d50\u679c<\/td><td>\u78ba\u8a8d\u88fd\u9020\u6b98\u7559\u7269\u5df2\u53d7\u5230\u63a7\u5236<\/td><\/tr>\n<tr><td>\u5143\u7d20\u96dc\u8cea<\/td><td>\u925b\u3001\u7837\u3001\u9398\u548c\u6c5e<\/td><td>\u652f\u63f4\u539f\u6599\u8207\u6210\u54c1\u7684\u98a8\u96aa\u5be9\u67e5<\/td><\/tr>\n<tr><td>\u5fae\u751f\u7269\u5b78<\/td><td>\u7e3d\u8a08\u6578\u8207\u7279\u5b9a\u5fae\u751f\u7269<\/td><td>\u6709\u52a9\u65bc\u6210\u5206\u91cb\u653e<\/td><\/tr>\n<tr><td>\u7269\u7406\u6027\u8cea<\/td><td>\u7c92\u5f91\u3001\u5806\u7a4d\u5bc6\u5ea6\u3001\u6d41\u52d5\u6027\u53ca\u5916\u89c0<\/td><td>\u6703\u5f71\u97ff\u6df7\u5408\u3001\u5c01\u88dd\u548c\u58d3\u7e2e<\/td><\/tr>\n<tr><td>\u8d77\u6e90\u8207\u88fd\u7a0b<\/td><td>\u767c\u9175\u6216\u5408\u6210\u88fd\u7a0b\u3001\u539f\u7522\u570b\u3001\u904e\u654f\u539f\u53ca\u57fa\u56e0\u6539\u9020\u8072\u660e<\/td><td>\u652f\u6301\u63a1\u8cfc\u8207\u884c\u92b7\u5ba3\u7a31<\/td><\/tr>\n<tr><td>\u7a69\u5b9a\u6027\u8207\u8b8a\u66f4\u63a7\u5236<\/td><td>\u5132\u5b58\u3001\u91cd\u65b0\u6aa2\u6e2c\u671f\u9650\u3001\u6210\u54c1\u8cc7\u6599\u53ca\u4f9b\u61c9\u5546\u8b8a\u66f4\u901a\u77e5<\/td><td>\u5728\u4fdd\u5b58\u671f\u9650\u5167\u4fdd\u8b77\u5176\u6210\u5206\u7279\u6027\u8207\u529f\u6548<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Formulation_Considerations_for_Supplement_Brands\"><\/span>\u71df\u990a\u88dc\u5145\u54c1\u54c1\u724c\u7684\u914d\u65b9\u8003\u91cf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n<h3><span class=\"ez-toc-section\" id=\"Capsules\"><\/span>\u81a0\u56ca<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u81a0\u56ca\u53ef\u9069\u7528\u65bc\u55ae\u4e00\u6210\u5206\u53ca\u591a\u7a2e\u80fa\u57fa\u9178\u914d\u65b9\u3002\u914d\u65b9\u5e2b\u61c9\u9a57\u8b49\u7c89\u672b\u6d41\u52d5\u6027\u3001\u586b\u5145\u91cd\u91cf\u3001\u81a0\u56ca\u5c3a\u5bf8\u3001\u6c23\u5473\u3001\u8010\u6fd5\u6027\u53ca\u5291\u91cf\u55ae\u4f4d\u5747\u4e00\u6027\u3002\u6aa2\u8996 <a href=\"https:\/\/collagensei.com\/zh\/%e8%86%a0%e5%9b%8a%e8%a3%9c%e5%85%85%e5%8a%91%e8%a3%bd%e9%80%a0%e5%95%86\/\" target=\"_blank\" rel=\"noopener\">\u81a0\u56ca\u88dc\u5145\u54c1\u88fd\u9020<\/a> \u5728\u8a55\u4f30\u8a66\u884c\u8a08\u756b\u8207\u5546\u696d\u53ef\u884c\u6027\u6642\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Tablets\"><\/span>\u9320\u5291<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9320\u5291\u9700\u9032\u884c\u58d3\u88fd\u3001\u5d29\u89e3\u3001\u786c\u5ea6\u53ca\u7a69\u5b9a\u6027\u9a57\u8b49\u3002\u82e5\u6d3b\u6027\u6210\u5206\u542b\u91cf\u8f03\u9ad8\uff0c\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u9069\u7576\u7684\u9ecf\u5408\u5291\u3001\u6f64\u6ed1\u5291\u3001\u6ed1\u5291\u53ca\u4fdd\u8b77\u6027\u5305\u88dd\u3002\u6240\u9078\u7528\u7684\u8f14\u6599\u4e0d\u5f97\u5e72\u64fe\u542b\u91cf\u6e2c\u5b9a\u6216\u964d\u89e3\u63a7\u5236\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Powders\"><\/span>\u7c89\u672b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7c89\u672b\u6df7\u5408\u7269\u9700\u8981\u9032\u884c\u98a8\u5473\u8207\u6c23\u5473\u7ba1\u7406\u3001\u9632\u6b62\u5206\u5c64\u3001\u9a57\u8b49\u6df7\u5408\u6642\u9593\uff0c\u4ee5\u53ca\u78ba\u4fdd\u5206\u88dd\u88dd\u7f6e\u7684\u7cbe\u6e96\u5ea6\u3002\u61c9\u91dd\u5c0d\u6210\u54c1\u7684\u5206\u88dd\u5747\u52fb\u6027\u9032\u884c\u8a55\u4f30\uff0c\u800c\u975e\u50c5\u4f9d\u8cf4\u539f\u6599\u7684\u6210\u5206\u5206\u6790\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Protein_and_Amino_Acid_Blends\"><\/span>\u86cb\u767d\u8cea\u8207\u80fa\u57fa\u9178\u6df7\u5408\u7269<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7532\u786b\u80fa\u9178\u53ef\u8abf\u6574\u914d\u65b9\u4e2d\u7684\u80fa\u57fa\u9178\u7d44\u6210\uff0c\u4f46\u76f8\u95dc\u6c7a\u7b56\u61c9\u57fa\u65bc\u5b8c\u6574\u86cb\u767d\u8cea\u6216\u80fa\u57fa\u9178\u7d44\u6210\u3001\u6bcf\u4efd\u4efd\u91cf\u3001\u76ee\u6a19\u65cf\u7fa4\u53ca\u6a19\u7c64\u898f\u5b9a\u4f86\u505a\u51fa\u3002\u61c9\u907f\u514d\u50c5\u6191\u55ae\u4e00\u300c\u9650\u5236\u6027\u80fa\u57fa\u9178\u300d\u7684\u8aaa\u6cd5\uff0c\u4fbf\u65b7\u8a00\u6bcf\u9805\u7522\u54c1\u7686\u9700\u88dc\u5145\u7532\u786b\u80fa\u9178\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"RFP_Questions_for_a_Methionine_Supplier_or_Manufacturer\"><\/span>\u91dd\u5c0d\u7532\u786b\u80fa\u9178\u4f9b\u61c9\u5546\u6216\u88fd\u9020\u5546\u7684 RFP \u63d0\u554f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>\u8a72\u539f\u6599\u662f L-\u86cb\u6c28\u9178\u3001DL-\u86cb\u6c28\u9178\uff0c\u9084\u662f\u5176\u4ed6\u86cb\u6c28\u9178\u4f86\u6e90\uff1f<\/li>\n<li>\u63a1\u7528\u4e86\u54ea\u4e9b\u7d50\u69cb\u9451\u5b9a\u8207\u624b\u6027\u7d14\u5ea6\u5206\u6790\u65b9\u6cd5\uff1f<\/li>\n<li>\u9069\u7528\u4f55\u7a2e\u6aa2\u6e2c\u4f9d\u64da\u53ca\u5206\u5b50\u5f62\u5f0f\uff1f<\/li>\n<li>\u9069\u7528\u4f55\u7a2e\u751f\u7522\u6d41\u7a0b\u53ca\u539f\u7522\u570b\uff1f<\/li>\n<li>\u80fd\u5426\u63d0\u4f9b\u4e09\u4efd\u6700\u8fd1\u7684\u3001\u91dd\u5c0d\u7279\u5b9a\u6279\u6b21\u7684\u5408\u683c\u8b49\u660e\u66f8\uff1f<\/li>\n<li>\u5176\u4e2d\u5305\u542b\u54ea\u4e9b\u76f8\u95dc\u7269\u8cea\u3001\u6b98\u7559\u6eb6\u5291\u3001\u5143\u7d20\u96dc\u8cea\u53ca\u5fae\u751f\u7269\u6aa2\u6e2c\u9805\u76ee\uff1f<\/li>\n<li>\u5176\u7c92\u5ea6\u3001\u5806\u7a4d\u5bc6\u5ea6\u3001\u6eb6\u89e3\u5ea6\u53ca\u6d41\u52d5\u7279\u6027\u70ba\u4f55\uff1f<\/li>\n<li>\u5efa\u8b70\u63a1\u7528\u4f55\u7a2e\u5132\u5b58\u689d\u4ef6\u3001\u5305\u88dd\u65b9\u5f0f\u53ca\u91cd\u65b0\u6aa2\u6e2c\u9031\u671f\uff1f<\/li>\n<li>\u91dd\u5c0d\u76ee\u6a19\u5e02\u5834\uff0c\u73fe\u6709\u54ea\u4e9b\u4f9b\u4eba\u985e\u4f7f\u7528\u7684\u6cd5\u898f\u6587\u4ef6\uff1f<\/li>\n<li>\u6700\u4f4e\u8a02\u8cfc\u91cf\uff08MOQ\uff09\u3001\u6a23\u54c1\u6578\u91cf\u3001\u5546\u696d\u4ea4\u671f\u4ee5\u53ca\u8b8a\u66f4\u63a7\u5236\u689d\u6b3e\u5206\u5225\u70ba\u4f55\uff1f<\/li>\n<li>\u8cb4\u516c\u53f8\u80fd\u5426\u63d0\u4f9b\u81a0\u56ca\u3001\u9320\u5291\u6216\u7c89\u672b\u7684\u8a66\u7522\u958b\u767c\u670d\u52d9\uff1f<\/li>\n<li>\u5728\u6a19\u7c64\u5be9\u67e5\u904e\u7a0b\u4e2d\uff0c\u5982\u4f55\u5c07\u4eba\u985e\u71df\u990a\u76f8\u95dc\u8072\u7a31\u8207\u52d5\u7269\u98fc\u6599\u76f8\u95dc\u8b49\u64da\u5340\u5206\u958b\u4f86\uff1f<\/li>\n<\/ol>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Where_GENSEI_Fits\"><\/span>GENSEI \u7684\u5b9a\u4f4d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>GENSEI \u63d0\u4f9b\u80fa\u57fa\u9178\u539f\u6599\u63a1\u8cfc\u3001\u6587\u4ef6\u5be9\u67e5\u3001\u5291\u578b\u53ef\u884c\u6027\u8a55\u4f30\u53ca\u71df\u990a\u88dc\u5145\u54c1\u88fd\u9020\u7b49\u5c08\u6848\u652f\u63f4\u3002\u61c9\u6839\u64da\u76ee\u6a19\u5e02\u5834\u3001\u5291\u91cf\u3001\u898f\u683c\u3001\u6210\u54c1\u5291\u578b\u53ca\u5ba3\u7a31\u7b56\u7565\uff0c\u9078\u64c7\u9069\u7576\u7684\u5291\u578b\u3002.<\/p>\n \n<p>\u54c1\u724c\u53ef\u4ee5 <a href=\"https:\/\/collagensei.com\/zh\/%e8%81%af%e7%b5%a1%e6%88%91%e5%80%91\/\" target=\"_blank\" rel=\"noopener\">\u7d22\u53d6 L-\u7532\u786b\u80fa\u9178\u6a23\u54c1\u3001\u5206\u6790\u5831\u544a (COA) \u6216\u914d\u65b9\u5831\u50f9<\/a> \u4e26\u9644\u4e0a\u6240\u9700\u7684\u5291\u578b\u3001\u5206\u6790\u65b9\u6cd5\u3001\u5291\u91cf\u3001\u5291\u91cf\u5f62\u5f0f\u3001\u76ee\u6a19\u5e02\u5834\u3001\u6587\u4ef6\u53ca\u8a02\u8cfc\u6578\u91cf\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>\u5e38\u898b\u554f\u984c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n \n<h3><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_L-methionine_and_DL-methionine\"><\/span>L-\u86cb\u80f1\u6c28\u9178\u8207DL-\u86cb\u80f1\u6c28\u9178\u6709\u4f55\u5340\u5225\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L-\u86cb\u80f1\u6c28\u9178\u542b\u6709\u76f4\u63a5\u7528\u65bc\u4eba\u9ad4\u86cb\u767d\u8cea\u5408\u6210\u7684 L-\u5c0d\u6620\u9ad4\u3002DL-\u86cb\u80f1\u6c28\u9178\u5247\u540c\u6642\u542b\u6709 L-\u86cb\u80f1\u6c28\u9178\u548c D-\u86cb\u80f1\u6c28\u9178\uff0c\u5176\u4e2d D \u90e8\u5206\u5fc5\u9808\u7d93\u904e\u8f49\u5316\uff0c\u624d\u80fd\u9032\u5165 L-\u86cb\u80f1\u6c28\u9178\u7684\u4ee3\u8b1d\u9014\u5f91\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Is_DL-methionine_safe_for_humans\"><\/span>DL-\u86cb\u80fa\u9178\u5c0d\u4eba\u9ad4\u5b89\u5168\u55ce\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5176\u9069\u7528\u6027\u53d6\u6c7a\u65bc\u5291\u91cf\u3001\u7522\u54c1\u985e\u5225\u3001\u5e02\u5834\u3001\u500b\u5225\u98a8\u96aa\u56e0\u7d20\u4ee5\u53ca\u6700\u7d42\u914d\u65b9\u3002\u7f8e\u570b\u98df\u54c1\u85e5\u54c1\u76e3\u7763\u7ba1\u7406\u5c40\uff08FDA\uff09\u7684\u98df\u54c1\u6210\u5206\u6e05\u55ae\u96d6\u5217\u51fa\u4e86\u7279\u5b9a\u7684\u98df\u54c1\u529f\u80fd\uff0c\u4f46\u9019\u4e26\u4e0d\u4ee3\u8868\u6bcf\u7a2e\u5291\u91cf\u6216\u71df\u990a\u88dc\u5145\u54c1\u7684\u61c9\u7528\u90fd\u662f\u9069\u7576\u7684\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Is_L-methionine_more_bioavailable_than_DL-methionine\"><\/span>L-\u86cb\u80fa\u9178\u7684\u751f\u7269\u5229\u7528\u5ea6\u662f\u5426\u9ad8\u65bcDL-\u86cb\u80fa\u9178\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u6709\u9650\u7684\u4eba\u9ad4\u7814\u7a76\u8b49\u64da\u986f\u793a\uff0c\u5728\u67d0\u4e9b\u71df\u990a\u72c0\u6cc1\u4e0b\uff0cD \u5206\u6578\u7684\u5229\u7528\u6548\u7387\u53ef\u80fd\u8f03\u4f4e\u3002\u9664\u975e\u76f8\u95dc\u6578\u64da\u4f86\u81ea\u76f4\u63a5\u9069\u7528\u65bc\u4eba\u9ad4\u7684\u7814\u7a76\uff0c\u5426\u5247\u61c9\u907f\u514d\u9032\u884c\u56fa\u5b9a\u767e\u5206\u6bd4\u7684\u6bd4\u8f03\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Is_methionine_the_same_as_L-methionine\"><\/span>\u7532\u786b\u80fa\u9178\u548c L-\u7532\u786b\u80fa\u9178\u662f\u4e00\u6a23\u7684\u55ce\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728\u751f\u7269\u5b78\u8a0e\u8ad6\u4e2d\uff0c\u300c\u7532\u786b\u80fa\u9178\u300d\u901a\u5e38\u6307 L-\u7532\u786b\u80fa\u9178\u3002\u5728\u4f9b\u61c9\u5546\u6587\u4ef6\u53ca\u6a19\u7c64\u4e0a\uff0c\u61c9\u78ba\u8a8d\u5176\u78ba\u5207\u7684\u7acb\u9ad4\u5316\u5b78\u5f62\u5f0f\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Why_is_DL-methionine_common_in_animal_feed\"><\/span>\u70ba\u4ec0\u9ebc DL-\u86cb\u80fa\u9178\u5728\u52d5\u7269\u98fc\u6599\u4e2d\u5f88\u5e38\u898b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9019\u9ede\u5728\u5546\u696d\u4e0a\u5df2\u5c6c\u516c\u8a8d\uff0c\u4e14\u8a31\u591a\u52d5\u7269\u7269\u7a2e\u90fd\u80fd\u6709\u6548\u5229\u7528 D-\u86cb\u6c28\u9178\u3002\u91dd\u5c0d\u7279\u5b9a\u7269\u7a2e\u7684\u98fc\u6599\u7814\u7a76\u8b49\u64da\uff0c\u4e0d\u61c9\u76f4\u63a5\u5957\u7528\u65bc\u4eba\u985e\u71df\u990a\u88dc\u5145\u54c1\u3002.<\/p>\n \n<h3><span class=\"ez-toc-section\" id=\"Can_methionine_supplements_support_hair_or_liver_health\"><\/span>\u7532\u786b\u80fa\u9178\u88dc\u5145\u5291\u80fd\u4fc3\u9032\u982d\u9aee\u6216\u809d\u81df\u5065\u5eb7\u55ce\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u7532\u786b\u80fa\u9178\u53c3\u8207\u6b63\u5e38\u7684\u86cb\u767d\u8cea\u53ca\u542b\u786b\u80fa\u57fa\u9178\u4ee3\u8b1d\uff0c\u4f46\u4e00\u822c\u88dc\u5145\u5291\u4e0d\u61c9\u5ba3\u7a31\u53ef\u7528\u65bc\u6cbb\u7642\u812b\u9aee\u6216\u809d\u75c5\u3002\u4efb\u4f55\u95dc\u65bc\u7d50\u69cb\u6216\u529f\u80fd\u7684\u5ba3\u7a31\uff0c\u5747\u9808\u91dd\u5c0d\u6210\u54c1\u63d0\u4f9b\u5be6\u8b49\u4f9d\u64da\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"Final_Takeaway\"><\/span>\u6700\u7d42\u5fc3\u5f97<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L-\u86cb\u80f1\u6c28\u9178\u8207DL-\u86cb\u80f1\u6c28\u9178\u5728\u5316\u5b78\u4e0a\u96d6\u6709\u95dc\u806f\uff0c\u4f46\u4e26\u975e\u5b8c\u5168\u76f8\u540c\u7684\u71df\u990a\u6210\u5206\u3002L-\u86cb\u80f1\u6c28\u9178\u662f\u4eba\u9ad4\u86cb\u767d\u8cea\u5408\u6210\u904e\u7a0b\u4e2d\u76f4\u63a5\u5229\u7528\u7684\u751f\u7406\u6027\u5c0d\u6620\u9ad4\u3002DL-\u86cb\u80f1\u6c28\u9178\u542b\u6709D\u578b\u6210\u5206\uff0c\u5176\u5229\u7528\u7387\u56e0\u7269\u7a2e\u800c\u7570\uff0c\u5728\u4eba\u9ad4\u4e2d\u7684\u5229\u7528\u7387\u53ef\u80fd\u8f03\u4f4e\u3002 \u4eba\u985e\u71df\u990a\u88dc\u5145\u54c1\u54c1\u724c\u61c9\u512a\u5148\u8003\u91cf\u6210\u5206\u7684\u660e\u78ba\u6027\u3001\u8207\u4eba\u985e\u76f8\u95dc\u7684\u79d1\u5b78\u8b49\u64da\u3001\u5291\u91cf\u5b89\u5168\u6027\u3001\u624b\u6027\u898f\u683c\u4ee5\u53ca\u6210\u54c1\u54c1\u8cea\uff0c\u800c\u975e\u52d5\u7269\u98fc\u6599\u76f8\u95dc\u7684\u5ba3\u7a31\u6216\u7f3a\u4e4f\u5be6\u8b49\u652f\u6301\u7684\u751f\u7269\u5229\u7528\u5ea6\u767e\u5206\u6bd4\u3002.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"References\"><\/span>\u53c3\u8003\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/1138025\/\" target=\"_blank\" rel=\"noopener nofollow\">\u4ee5\u71d5\u9ea5\u70ba\u57fa\u790e\u7684\u4eba\u985e\u98f2\u98df\u4e2d\uff0c\u88dc\u5145 L-\u3001DL- \u53ca D-\u86cb\u6c28\u9178\u7684\u6bd4\u8f03\u50f9\u503c<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16702346\/\" target=\"_blank\" rel=\"noopener nofollow\">\u7532\u786b\u80fa\u9178\u5c0d\u4eba\u9ad4\u7684\u6bd2\u6027<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/16702340\/\" target=\"_blank\" rel=\"noopener nofollow\">\u5728\u786b\u80fa\u57fa\u9178\u9700\u6c42\u4e2d\uff0c\u534a\u80f1\u80fa\u9178\u5c0d\u7532\u786b\u80fa\u9178\u7684\u9ad4\u5167\u7bc0\u7d04\u4f5c\u7528<\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/37062432\/\" target=\"_blank\" rel=\"noopener nofollow\">\u4eba\u9ad4\u5404\u55ae\u4e00\u80fa\u57fa\u9178\u7684\u53ef\u8010\u53d7\u6700\u9ad8\u651d\u53d6\u91cf\uff1a\u6558\u4e8b\u6027\u6587\u737b\u56de\u9867<\/a><\/li>\n<li><a href=\"https:\/\/www.hfpappexternal.fda.gov\/scripts\/fdcc\/index.cfm?order=ASC&#038;search=&#038;set=FoodSubstances&#038;showAll=true&#038;sort=Reg_col01&#038;type=basic\" target=\"_blank\" rel=\"noopener nofollow\">\u7f8e\u570b\u98df\u54c1\u85e5\u7269\u7ba1\u7406\u5c40\uff08FDA\uff09\uff1a\u98df\u54c1\u6dfb\u52a0\u7269\u6e05\u55ae<\/a><\/li>\n<li><a href=\"https:\/\/www.fda.gov\/food\/nutrition-food-labeling-and-critical-foods\/label-claims-conventional-foods-and-dietary-supplements\" target=\"_blank\" rel=\"noopener nofollow\">\u7f8e\u570b\u98df\u54c1\u85e5\u7269\u7ba1\u7406\u5c40\uff08FDA\uff09\uff1a\u50b3\u7d71\u98df\u54c1\u8207\u81b3\u98df\u88dc\u5145\u54c1\u7684\u6a19\u7c64\u8072\u7a31<\/a><\/li>\n<li><a href=\"https:\/\/www.ftc.gov\/business-guidance\/resources\/health-products-compliance-guidance\" target=\"_blank\" rel=\"noopener nofollow\">\u806f\u90a6\u8cbf\u6613\u59d4\u54e1\u6703\uff08FTC\uff09\uff1a\u5065\u5eb7\u7522\u54c1\u5408\u898f\u6307\u5f15<\/a><\/li>\n<li><a href=\"https:\/\/www.ecfr.gov\/current\/title-21\/chapter-I\/subchapter-B\/part-111\" target=\"_blank\" rel=\"noopener nofollow\">\u300a\u806f\u90a6\u6cd5\u898f\u5f59\u7de8\u300b\u7b2c21\u7de8\u7b2c111\u90e8\u5206\uff1a\u81b3\u98df\u88dc\u5145\u5291\u73fe\u884c\u512a\u826f\u88fd\u9020\u898f\u7bc4<\/a><\/li>\n\n<\/ol>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>L-methionine is the single L-enantiomer used directly in human protein synthesis. DL-methionine is a racemic mixture containing approximately equal L- [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[220,221],"tags":[],"class_list":["post-977","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-l-methionine","category-dl-methionine"],"uagb_featured_image_src":{"full":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine.png",775,499,false],"thumbnail":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine-150x150.png",150,150,true],"medium":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine-300x193.png",300,193,true],"medium_large":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine-768x494.png",768,494,true],"large":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine.png",775,499,false],"1536x1536":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine.png",775,499,false],"2048x2048":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine.png",775,499,false],"trp-custom-language-flag":["https:\/\/collagensei.com\/wp-content\/uploads\/2024\/07\/DL-Methionine.png",18,12,false]},"uagb_author_info":{"display_name":"Warren Wan","author_link":"https:\/\/collagensei.com\/zh\/author\/w-wenyang\/"},"uagb_comment_info":0,"uagb_excerpt":"L-methionine is the single L-enantiomer used directly in human protein synthesis. DL-methionine is a racemic mixture containing approximately equal L- [&hellip;]","_links":{"self":[{"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/posts\/977","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/comments?post=977"}],"version-history":[{"count":2,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/posts\/977\/revisions"}],"predecessor-version":[{"id":24648,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/posts\/977\/revisions\/24648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/media\/1833"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/media?parent=977"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/categories?post=977"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/collagensei.com\/zh\/wp-json\/wp\/v2\/tags?post=977"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}