{"id":4864,"date":"2025-03-20T15:52:54","date_gmt":"2025-03-20T07:52:54","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4864"},"modified":"2026-10-29T16:08:26","modified_gmt":"2026-10-29T08:08:26","slug":"vitamina-c","status":"publish","type":"page","link":"https:\/\/collagensei.com\/tr\/vitamins-supplier\/vitamina-c\/","title":{"rendered":"Vitamina C"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4864\" class=\"elementor elementor-4864\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6720952 e-con-full e-flex e-con e-parent\" data-id=\"6720952\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ded8c1 elementor-widget elementor-widget-html\" data-id=\"7ded8c1\" data-element_type=\"widget\" data-e-type=\"widget\" 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.g-grid-3,.gensei-vitc-page .g-decision-grid,.gensei-vitc-page .g-quote-guide{grid-template-columns:1fr}.gensei-vitc-page .g-inquiry{padding:54px 0}.gensei-vitc-page .g-form-card{padding:23px 18px 20px;border-radius:18px}.gensei-vitc-page .g-inquiry-copy h2{font-size:38px}.gensei-vitc-page .g-supply-band{padding:26px 22px}}\n\n.gensei-vitc-page h2{color:#274D68;}\n<\/style>\n\n<div class=\"gensei-vitc-page\">\n<section class=\"g-hero\" aria-labelledby=\"vitc-h1\">\n<div class=\"g-wrap g-hero-grid\">\n<div>\n<p class=\"g-eyebrow\">Vitamin C Ingredient \u00b7 L-Ascorbic Acid<\/p>\n<h1 id=\"vitc-h1\">Vitamin C Powder | L-Ascorbic Acid<\/h1>\n<p class=\"g-lead\">L-Ascorbic Acid is the Vitamin C form supplied here for dietary supplements, drink mixes, beverages and fortified foods. Gensei provides bulk Vitamin C powder for commercial formulation and manufacturing.<\/p>\n<a class=\"g-btn\" href=\"#vitc-inquiry\">Request A Quote<\/a>\n<\/div>\n<div class=\"g-hero-image\"><img fetchpriority=\"high\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/Ascorbic-Acid.webp\" alt=\"Vitamin C powder L-ascorbic acid ingredient\" width=\"800\" height=\"800\" loading=\"eager\" fetchpriority=\"high\" decoding=\"async\"><\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-section\" aria-labelledby=\"vitc-identity\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Product Identity<\/p>\n<h2 id=\"vitc-identity\">L-Ascorbic Acid: The Vitamin C Form Supplied<\/h2>\n<p>This product is Ascorbic Acid, the ingredient form commonly identified as Vitamin C. The supplied material is evaluated against BP \/ USP requirements, with detailed analytical limits consolidated in the specification section.<\/p>\n<\/div>\n<div class=\"g-facts\">\n<div class=\"g-fact\"><span>Ingredient<\/span><strong>Ascorbic Acid<\/strong><\/div>\n<div class=\"g-fact\"><span>Vitamin Identity<\/span><strong>Vitamin C<\/strong><\/div>\n<div class=\"g-fact\"><span>Analysis Standard<\/span><strong>BP \/ USP<\/strong><\/div>\n<div class=\"g-fact\"><span>Appearance<\/span><strong>White or Almost White Crystals<\/strong><\/div>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-section g-section-soft\" id=\"vitc-specifications\" aria-labelledby=\"vitc-spec-heading\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Technical Specification<\/p>\n<h2 id=\"vitc-spec-heading\">L-Ascorbic Acid Powder Specification<\/h2>\n<p>Identity, solution properties, assay, purity and selected elemental limits are consolidated here for technical and purchasing review.<\/p>\n<\/div>\n<div class=\"g-table-wrap\">\n<table>\n<thead><tr><th scope=\"col\">Test Parameter<\/th><th scope=\"col\">Reference Specification<\/th><\/tr><\/thead>\n<tbody>\n<tr class=\"g-group\"><td colspan=\"2\">Identity &amp; Physical \/ Solution Properties<\/td><\/tr>\n<tr><td>Characteristics<\/td><td>White or almost white crystals \/ crystalline<\/td><\/tr>\n<tr><td>Identification<\/td><td>Positive reaction<\/td><\/tr>\n<tr><td>Melting Point<\/td><td>About 190\u00b0C<\/td><\/tr>\n<tr><td>pH (2% water solution)<\/td><td>2.4\u20132.8<\/td><\/tr>\n<tr><td>pH (5% water solution)<\/td><td>2.1\u20132.6<\/td><\/tr>\n<tr><td>Clarity of Solution<\/td><td>Clear<\/td><\/tr>\n<tr><td>Colour of Solution<\/td><td>\u2264 BY7<\/td><\/tr>\n<tr><td>Specific Optical Rotation<\/td><td>+20.5\u00b0 to +21.5\u00b0<\/td><\/tr>\n<tr class=\"g-group\"><td colspan=\"2\">Assay &amp; Purity<\/td><\/tr>\n<tr><td>Assay<\/td><td>99.0%\u2013100.5%<\/td><\/tr>\n<tr><td>Loss on Drying<\/td><td>\u22640.4%<\/td><\/tr>\n<tr><td>Sulphated Ash \/ Residue on Ignition<\/td><td>\u22640.1%<\/td><\/tr>\n<tr><td>Oxalic Acid<\/td><td>\u22640.2%<\/td><\/tr>\n<tr><td>Impurity E<\/td><td>\u22640.2%<\/td><\/tr>\n<tr><td>Residual Solvents<\/td><td>Pass<\/td><\/tr>\n<tr class=\"g-group\"><td colspan=\"2\">Selected Elemental Limits<\/td><\/tr>\n<tr><td>Copper<\/td><td>\u22645 ppm<\/td><\/tr>\n<tr><td>Heavy Metals<\/td><td>\u226410 ppm<\/td><\/tr>\n<tr><td>Iron<\/td><td>\u22642 ppm<\/td><\/tr>\n<tr><td>Lead<\/td><td>\u22642 mg\/kg<\/td><\/tr>\n<tr><td>Arsenic<\/td><td>\u22643 ppm<\/td><\/tr>\n<tr><td>Cadmium<\/td><td>\u22641 mg\/kg<\/td><\/tr>\n<tr><td>Mercury<\/td><td>\u22640.1 mg\/kg<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"g-spec-note\">Reference limits are based on the supplied product COA. Request the current specification and batch COA for purchasing and qualification decisions.<\/p>\n<\/div>\n<\/section>\n\n<section class=\"g-section\" aria-labelledby=\"vitc-formulation\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Formulation<\/p>\n<h2 id=\"vitc-formulation\">Working with L-Ascorbic Acid Powder<\/h2>\n<p>Ascorbic acid contributes acidity and can be affected by processing and storage conditions. Formulation work should account for the finished-product matrix, production process and intended shelf life.<\/p>\n<\/div>\n<div class=\"g-grid-3\">\n<article class=\"g-card\"><h3>Acidity &amp; Taste<\/h3><p>Ascorbic acid contributes acidity. In drink mixes, gummies, chewables and beverages, the full acid and flavor system should be evaluated together rather than treating vitamin C addition as an isolated step.<\/p><\/article>\n<article class=\"g-card\"><h3>Heat &amp; Oxygen Exposure<\/h3><p>Processing and storage conditions can influence vitamin C retention in a finished product. Validate the intended process and shelf-life conditions on the actual formulation.<\/p><\/article>\n<article class=\"g-card\"><h3>Dry Blend Handling<\/h3><p>For tablets, capsules and powdered products, assess blend behavior and downstream processing against the excipient system and equipment used in production.<\/p><\/article>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-section g-section-soft\" aria-labelledby=\"vitc-applications\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Applications<\/p>\n<h2 id=\"vitc-applications\">Vitamin C Powder for Supplements, Foods &amp; Beverages<\/h2>\n<p>L-Ascorbic Acid powder can be used across dry supplements, drink mixes, gummies, beverages and fortified foods, with formulation requirements varying by finished-product format.<\/p>\n<\/div>\n<div class=\"g-grid-3\">\n<article class=\"g-card\"><h3>Capsules &amp; Powder Supplements<\/h3><p>Suitable for evaluation in single-ingredient and multi-ingredient dry formulas. Confirm the target serving level, blend uniformity and manufacturing process for the finished product.<\/p><\/article>\n<article class=\"g-card\"><h3>Tablets &amp; Chewables<\/h3><p>Review powder behavior together with the excipient and compression system. Chewable products also require deliberate taste and acidity management.<\/p><\/article>\n<article class=\"g-card\"><h3>Drink Mixes &amp; Sachets<\/h3><p>For dry beverage formats, evaluate dissolution, sensory balance and the conditions the product will encounter after preparation.<\/p><\/article>\n<article class=\"g-card\"><h3>Gummies<\/h3><p>Consider the complete acid system, flavor profile and processing sequence so vitamin C addition is compatible with the intended gummy formula.<\/p><\/article>\n<article class=\"g-card\"><h3>Beverage Formulation<\/h3><p>Review pH, oxygen exposure, processing conditions and expected shelf life when qualifying ascorbic acid for a beverage application.<\/p><\/article>\n<article class=\"g-card\"><h3>Food Fortification<\/h3><p>Confirm the intended addition level, processing conditions and destination-market requirements before approving the ingredient for a fortified food.<\/p><\/article>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-section\" aria-labelledby=\"vitc-sourcing\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Ingredient Sourcing<\/p>\n<h2 id=\"vitc-sourcing\">Choosing L-Ascorbic Acid for Your Formula<\/h2>\n<p>For commercial purchasing, the right Vitamin C ingredient should match the required identity, analytical standard, finished-product application and documentation needs.<\/p>\n<\/div>\n<div class=\"g-decision-grid\">\n<article class=\"g-decision\"><h3>Identity &amp; Compendial Fit<\/h3><p>Confirm that the ingredient form and applicable analytical standard match the requirements of your formulation and quality program.<\/p><\/article>\n<article class=\"g-decision\"><h3>Specification &amp; Batch Evidence<\/h3><p>Review the specification together with the batch COA instead of relying on a headline purity claim alone.<\/p><\/article>\n<article class=\"g-decision\"><h3>Application Requirements<\/h3><p>Share the dosage form or food system early so technical questions can be assessed in the context of the actual finished product.<\/p><\/article>\n<article class=\"g-decision\"><h3>Supply Requirements<\/h3><p>Define the required quantity, destination and documentation needs so the quotation can be matched to the intended purchase.<\/p><\/article>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-section g-section-soft\" aria-labelledby=\"vitc-bulk\">\n<div class=\"g-wrap\">\n<div class=\"g-section-head\">\n<p class=\"g-kicker\">Bulk Supply<\/p>\n<h2 id=\"vitc-bulk\">Bulk Vitamin C Powder Supply<\/h2>\n<p>Gensei supplies L-Ascorbic Acid powder for commercial Vitamin C purchasing, with quotation support based on order quantity, destination, application and documentation requirements.<\/p>\n<\/div>\n<div class=\"g-supply-band\">\n<div><h3>Information for Bulk Purchasing<\/h3><p>Share the key purchasing details with your inquiry so the quotation and supporting product information can be matched to your project.<\/p><\/div>\n<ul class=\"g-checks\">\n<li>Required order quantity or expected purchasing range<\/li>\n<li>Delivery country or destination market<\/li>\n<li>Finished-product format and intended application<\/li>\n<li>Required quality, regulatory or documentation review<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"g-inquiry\" id=\"vitc-inquiry\" aria-labelledby=\"vitc-quote\">\n<div class=\"g-wrap g-inquiry-grid\">\n<div class=\"g-inquiry-copy\">\n<div class=\"g-inquiry-pill\">Vitamin C Ingredient Inquiry<\/div>\n<h2 id=\"vitc-quote\">Request Bulk L-Ascorbic Acid Pricing<\/h2>\n<p>Share your required quantity, destination and finished-product format to request pricing and product information for Vitamin C powder.<\/p>\n<div class=\"g-quote-guide\">\n<div class=\"g-quote-item\"><strong>Required Quantity<\/strong><span>Share the initial order size or expected purchasing range.<\/span><\/div>\n<div class=\"g-quote-item\"><strong>Destination Market<\/strong><span>Include the country or market where the finished product will be sold.<\/span><\/div>\n<div class=\"g-quote-item\"><strong>Finished-Product Format<\/strong><span>For example: capsule, tablet, drink mix, gummy, beverage or fortified food.<\/span><\/div>\n<div class=\"g-quote-item\"><strong>Documentation Needs<\/strong><span>List any specification, COA or supporting-document requirements for your purchase.<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"g-form-card\">\n<h3>Send Your Inquiry<\/h3>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f74-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"74\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/tr\/wp-json\/wp\/v2\/pages\/4864#wpcf7-f74-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"74\" 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Acid L-Ascorbic Acid is the Vitamin C form supplied 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