{"id":14822,"date":"2026-01-08T13:38:53","date_gmt":"2026-01-08T05:38:53","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=14822"},"modified":"2026-06-15T14:08:35","modified_gmt":"2026-06-15T06:08:35","slug":"resveratrolo-in-polvere","status":"publish","type":"page","link":"https:\/\/collagensei.com\/it\/specialty-ingredients\/resveratrol-powder\/","title":{"rendered":"Resveratrolo in polvere"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"14822\" class=\"elementor elementor-14822\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-00def00 e-flex e-con-boxed e-con e-parent\" data-id=\"00def00\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3252a35 elementor-widget elementor-widget-html\" data-id=\"3252a35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"gensei-resveratrol-page\">\r\n\r\n<style>\r\n.gensei-resveratrol-page {\r\n  font-family: inherit;\r\n  color: #263238;\r\n  line-height: 1.65;\r\n  background: #ffffff;\r\n  position: relative;\r\n  width: 100vw;\r\n  max-width: 100vw;\r\n  left: 50%;\r\n  right: 50%;\r\n  margin-left: -50vw;\r\n  margin-right: -50vw;\r\n  overflow: hidden;\r\n}\r\n.gensei-resveratrol-page * { box-sizing: border-box; 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}\r\n  .gensei-resveratrol-page .grv-grid-3 { grid-template-columns: 1fr 1fr; }\r\n  .gensei-resveratrol-page .grv-application-grid { grid-template-columns: 1fr 1fr; }\r\n  .gensei-resveratrol-page .grv-hero-title { font-size: 42px; }\r\n  .gensei-resveratrol-page .grv-section-title,\r\n  .gensei-resveratrol-page .grv-final-cta h2 { font-size: 34px; }\r\n}\r\n@media (max-width:620px) {\r\n  .gensei-resveratrol-page .grv-hero { padding: 52px 0 44px; }\r\n  .gensei-resveratrol-page .grv-section { padding: 48px 0; }\r\n  .gensei-resveratrol-page .grv-grid-3,\r\n  .gensei-resveratrol-page .grv-application-grid { grid-template-columns: 1fr; }\r\n  .gensei-resveratrol-page .grv-hero-title { font-size: 34px; }\r\n  .gensei-resveratrol-page .grv-section-title,\r\n  .gensei-resveratrol-page .grv-final-cta h2 { font-size: 28px; }\r\n  .gensei-resveratrol-page .grv-final-cta { padding: 30px 24px; }\r\n}\r\n<\/style>\r\n\r\n<div class=\"grv-hero\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-hero-grid\">\r\n      <div>\r\n        <div class=\"grv-eyebrow\">Bulk Polyphenol Supplement Ingredient Supplier<\/div>\r\n        <h1 class=\"grv-hero-title\">Resveratrol Powder Manufacturer & Bulk Trans-Resveratrol Supplier<\/h1>\r\n        <p class=\"grv-hero-text\">\r\n          Gensei supplies <strong>Resveratrol Powder<\/strong>, also known as <strong>Trans-Resveratrol<\/strong>, <strong>Resveratrol Extract Powder<\/strong>, <strong>Polygonum cuspidatum Resveratrol<\/strong>, <strong>Japanese Knotweed Extract Resveratrol<\/strong>, <strong>Grape Skin Resveratrol<\/strong>, <strong>3,4\u2032,5-Trihydroxy-trans-stilbene<\/strong> or <strong>Trans-3,5,4\u2032-Trihydroxystilbene<\/strong>, for dietary supplement capsules, tablets, gummies, sachets, drink powders, antioxidant-positioned blends and custom premix manufacturing. We support supplement brands and contract manufacturers with bulk supply, HPLC purity review, COA, specification review, source documentation, sample coordination and global sourcing support.\r\n        <\/p>\r\n\r\n        <div class=\"grv-cta-row\">\r\n          <a class=\"grv-btn grv-btn-primary\" href=\"\/contact-us\/\">Request Quote<\/a>\r\n          <a class=\"grv-btn grv-btn-secondary\" href=\"\/contact-us\/\">Request COA & Specification<\/a>\r\n        <\/div>\r\n\r\n        <div class=\"grv-badge-row\">\r\n          <span class=\"grv-badge\">Trans-Resveratrol<\/span>\r\n          <span class=\"grv-badge\">CAS 501-36-0<\/span>\r\n          <span class=\"grv-badge\">HPLC Purity Review<\/span>\r\n          <span class=\"grv-badge\">Polygonum \/ Grape \/ Fermentation Options<\/span>\r\n          <span class=\"grv-badge\">Supplement Grade<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"grv-hero-card\">\r\n        <h2 class=\"grv-card-title\">Product Highlights<\/h2>\r\n        <ul class=\"grv-check-list\">\r\n          <li>Bulk trans-resveratrol raw material for dietary supplement and specialty polyphenol formula manufacturing<\/li>\r\n          <li>Available from Polygonum cuspidatum root, grape skin or fermentation-based sourcing routes according to project needs<\/li>\r\n          <li>HPLC purity, trans-isomer percentage, color, particle size and source identity can be reviewed according to specification and batch COA<\/li>\r\n          <li>Suitable for capsules, tablets, gummies, sachets, drink powders, antioxidant-positioned blends and custom supplement premixes<\/li>\r\n          <li>COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement and flow chart available for qualified buyers<\/li>\r\n          <li>Residual solvents, Emodin, heavy metals, microbiology, color consistency, solubility and stability should be reviewed before bulk purchase<\/li>\r\n          <li>Focused on supplement ingredient sourcing, not medical, pharmaceutical, cosmetic or therapeutic use<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">What Is Resveratrol Powder?<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Resveratrol Powder is a polyphenol ingredient commonly supplied as trans-resveratrol for dietary supplement manufacturing.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-highlight\">\r\n      <p>\r\n        <strong>Resveratrol Powder<\/strong> is commonly sourced as trans-resveratrol, the trans-isomer form of resveratrol. It can be derived from Polygonum cuspidatum root, grape skin or fermentation-based production routes depending on the selected grade and label strategy. In B2B supplement sourcing, buyers usually evaluate Resveratrol Powder by CAS number, chemical identity, trans-isomer percentage, HPLC purity, botanical or fermentation source, color, particle size, bulk density, residual solvents, Emodin level, heavy metals, microbiology, solubility, flowability, documentation, packaging and destination market label requirements.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-grid-3\" style=\"margin-top:26px;\">\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">TR<\/div>\r\n        <h3>Trans-Isomer Focus<\/h3>\r\n        <p>Trans-resveratrol identity and trans\/cis isomer control should be confirmed by specification and batch documentation before supplier approval.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">HPLC<\/div>\r\n        <h3>Purity & Assay Review<\/h3>\r\n        <p>High-purity grades are commonly reviewed by HPLC assay, related substances, color, loss on drying and residual solvent profile.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">B2B<\/div>\r\n        <h3>Supplement Supply Focus<\/h3>\r\n        <p>Gensei supports supplement brands, OEM factories and contract manufacturers with bulk resveratrol sourcing and technical documentation.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section grv-section-soft\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Resveratrol Powder Specification Options<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Final specifications depend on source, purity target, assay method, color grade, particle size, residual solvent profile, packaging and destination market requirements.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-table-wrap\">\r\n      <table class=\"grv-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Parameter<\/th>\r\n            <th>Typical Options for B2B Sourcing<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Product Category<\/td>\r\n            <td>Resveratrol Powder \/ Trans-Resveratrol \/ Resveratrol Extract Powder \/ Polyphenol Supplement Ingredient<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Common Synonyms<\/td>\r\n            <td>Resveratrol, Trans-Resveratrol, 3,4\u2032,5-Trihydroxy-trans-stilbene, Trans-3,5,4\u2032-Trihydroxystilbene, Polygonum cuspidatum Resveratrol, Japanese Knotweed Extract Resveratrol, Grape Skin Resveratrol<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>CAS Number<\/td>\r\n            <td>501-36-0<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Molecular Formula<\/td>\r\n            <td>C14H12O3<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Molecular Weight<\/td>\r\n            <td>228.24 g\/mol<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Source Options<\/td>\r\n            <td>Polygonum cuspidatum root extract, grape skin extract or fermentation-based trans-resveratrol according to label positioning and supply availability<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Typical Purity<\/td>\r\n            <td>High-purity options such as 98%, 99% or higher HPLC may be discussed. Final purity and trans-isomer ratio should be confirmed by batch COA.<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Assay Method<\/td>\r\n            <td>HPLC assay is commonly requested for purity, trans-resveratrol content and identity review. Additional testing can be discussed according to market requirements.<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Appearance<\/td>\r\n            <td>White, off-white, beige, light yellow or brownish powder depending on purity, source, extraction route and impurity profile<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Particle Size<\/td>\r\n            <td>Standard 80 mesh, fine powder, micronized option or customized particle size according to capsule, tablet, gummy or powder blend requirements<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Solubility<\/td>\r\n            <td>Solubility depends on grade and formula system. Buyers should test ethanol solubility, water dispersibility, suspension behavior, taste and stability in the actual dosage format.<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Application Fit<\/td>\r\n            <td>Dietary supplement capsules, tablets, gummies, sachets, drink powders, antioxidant-positioned blends and custom premixes<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Key Impurity Review<\/td>\r\n            <td>Residual solvents, Emodin, related substances, anthraquinone impurities, color consistency and process-related impurities may be reviewed depending on source route<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Testing Items<\/td>\r\n            <td>HPLC assay, identification, trans-isomer content, loss on drying, ash, particle size, residual solvents, Emodin, heavy metals, microbiology and stability indicators upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Documents<\/td>\r\n            <td>COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement, vegan statement, source statement, flow chart, residual solvent report and technical files upon request<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Packaging<\/td>\r\n            <td>Foil bag, aluminum bag, bottle, 1 kg sample pack, 5 kg, 10 kg, 20 kg or 25 kg carton\/drum according to grade and order quantity<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Storage<\/td>\r\n            <td>Store sealed in a cool, dry and light-protected environment. Avoid heat, moisture, direct sunlight and incompatible materials.<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"grv-note\">\r\n      Note: This table is for B2B sourcing reference. Final source, purity, trans-isomer ratio, assay method, residual solvent profile, Emodin level, color, packaging, shelf life, regulatory status and documents should be confirmed according to the actual batch and purchase agreement.\r\n    <\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Resveratrol vs. Trans-Resveratrol vs. Grape Extract<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        These ingredients are often searched together, but they differ in identity, standardization, label positioning and formulation behavior.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-table-wrap\">\r\n      <table class=\"grv-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Item<\/th>\r\n            <th>Trans-Resveratrol<\/th>\r\n            <th>Polygonum cuspidatum Extract<\/th>\r\n            <th>Grape Skin \/ Grape Extract<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Ingredient Positioning<\/td>\r\n            <td>Defined trans-isomer compound with CAS number and HPLC purity review<\/td>\r\n            <td>Botanical extract commonly standardized to trans-resveratrol content<\/td>\r\n            <td>Grape-derived botanical ingredient that may contain resveratrol and other polyphenols<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Label Naming<\/td>\r\n            <td>Trans-Resveratrol, Resveratrol or chemical name depending on documentation and market rules<\/td>\r\n            <td>Polygonum cuspidatum Extract, Japanese Knotweed Extract or Resveratrol Extract Powder<\/td>\r\n            <td>Grape Skin Extract, Grape Extract or Grape Resveratrol depending on source and marker assay<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Key Buyer Check<\/td>\r\n            <td>Confirm CAS 501-36-0, HPLC purity, trans\/cis ratio, residual solvents, COA and market status<\/td>\r\n            <td>Confirm botanical source, extract ratio, trans-resveratrol assay, Emodin, residual solvents and heavy metals<\/td>\r\n            <td>Confirm grape source, marker content, polyphenol profile, pesticides, carrier and label suitability<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Application Notes<\/td>\r\n            <td>Commonly evaluated for capsules, tablets, sachets, drink powders, gummies and specialty blends<\/td>\r\n            <td>Commonly evaluated for botanical-positioned supplement capsules, tablets and powders<\/td>\r\n            <td>Commonly evaluated for grape-positioned antioxidant blends and botanical formulas<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section grv-section-soft\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Applications in Dietary Supplements<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Gensei supplies Resveratrol Powder mainly for supplement and specialty nutrition projects rather than medical, pharmaceutical, cosmetic or therapeutic applications.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-application-grid\">\r\n      <div class=\"grv-app-item\">\r\n        <strong>Capsules<\/strong>\r\n        <span>Selected resveratrol specifications can be used in capsule formulas when serving size, bulk density and flowability are suitable.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Tablets<\/strong>\r\n        <span>Can be reviewed for tablet concepts with excipient compatibility, compressibility, color impact and stability testing.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Sachets<\/strong>\r\n        <span>Suitable for single-serve powder formats when dispersibility, taste, powder flow and packaging are considered.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Drink Powders<\/strong>\r\n        <span>Can be evaluated for ready-to-mix powders with solubility, suspension, pH, taste and stability review.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Gummies<\/strong>\r\n        <span>Can be evaluated for gummy projects, but heat, pH, color, dispersion and active retention should be tested carefully.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Chewables<\/strong>\r\n        <span>Can be reviewed for chewable formulas where bitterness, color impact, particle size and mouthfeel are important.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Healthy Aging Blends<\/strong>\r\n        <span>Can be combined with CoQ10, NMN, NAD, Urolithin A, vitamins or botanicals after formula and compliance review.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-app-item\">\r\n        <strong>Custom Premixes<\/strong>\r\n        <span>Can support OEM supplement projects requiring a defined trans-resveratrol input and full documentation package.<\/span>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Formulation Notes for Supplement Brands<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Resveratrol selection should be aligned with source route, trans-isomer purity, dosage form, solubility strategy, color target, packaging, stability and destination market compliance.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-grid-3\">\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">01<\/div>\r\n        <h3>Trans-Isomer & Purity<\/h3>\r\n        <p>Confirm trans-resveratrol identity, HPLC purity, trans\/cis isomer ratio, CAS number and batch COA before approving a supplier.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">02<\/div>\r\n        <h3>Source Route<\/h3>\r\n        <p>Compare Polygonum cuspidatum, grape skin and fermentation-based routes according to label strategy, impurity profile and market expectations.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">03<\/div>\r\n        <h3>Emodin & Impurity Review<\/h3>\r\n        <p>For knotweed-derived material, Emodin, anthraquinone impurities, residual solvents and related substances should be reviewed carefully.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">04<\/div>\r\n        <h3>Color & Particle Size<\/h3>\r\n        <p>Capsules, tablets, powders and gummies should be tested for color consistency, particle size, flowability and appearance impact.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">05<\/div>\r\n        <h3>Solubility & Taste<\/h3>\r\n        <p>Sachets, drink powders and gummies should be tested for dispersibility, sediment, bitterness, pH compatibility and active retention.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">06<\/div>\r\n        <h3>Supplement Facts Review<\/h3>\r\n        <p>Final resveratrol amount, ingredient name, source declaration, serving size, warnings and other label details should be confirmed by the brand owner.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section grv-section-soft\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Why Choose Gensei as Your Resveratrol Powder Supplier?<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Gensei provides procurement-oriented support for supplement brands and contract manufacturers sourcing bulk trans-resveratrol powder.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-grid-3\">\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">B2B<\/div>\r\n        <h3>Supplement-Focused Supply<\/h3>\r\n        <p>Our Resveratrol Powder support is focused on capsules, tablets, gummies, sachets, drink powders, antioxidant blends and supplement premixes.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">SPEC<\/div>\r\n        <h3>Specification Matching<\/h3>\r\n        <p>We help match HPLC purity, source route, trans-isomer ratio, color, particle size and application behavior to your project.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">COA<\/div>\r\n        <h3>Document Support<\/h3>\r\n        <p>COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement, source statement and residual solvent reports can be provided for qualified buyers.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">R&D<\/div>\r\n        <h3>Application Matching<\/h3>\r\n        <p>We support discussion around capsules, tablets, sachets, drink powders, gummies, chewables and custom supplement premixes.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">MOQ<\/div>\r\n        <h3>Bulk Order Support<\/h3>\r\n        <p>Packaging, MOQ, sample availability, lead time and shipment details can be discussed according to your project volume.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">GLB<\/div>\r\n        <h3>Global Supply Coordination<\/h3>\r\n        <p>Gensei supports international buyers with quotation, sample coordination, documentation and export shipment planning.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Quality Control & Documentation<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        For Resveratrol Powder raw material purchasing, HPLC assay, trans-isomer identity, impurity review, batch documentation and market compliance review are essential for supplier qualification.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-grid-3\">\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">QC<\/div>\r\n        <h3>Batch COA<\/h3>\r\n        <p>Certificate of Analysis can verify key batch parameters such as HPLC assay, trans-resveratrol content, identification, loss on drying and microbial limits.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">IMP<\/div>\r\n        <h3>Impurity Review<\/h3>\r\n        <p>Residual solvents, Emodin, related substances, heavy metals, pesticides and process-related parameters should be reviewed before approval.<\/p>\r\n      <\/div>\r\n\r\n      <div class=\"grv-card\">\r\n        <div class=\"grv-icon\">DOC<\/div>\r\n        <h3>Compliance Files<\/h3>\r\n        <p>SDS, TDS, allergen statement, non-GMO statement, vegan statement, source statement, flow chart and residual solvent report can support supplier approval.<\/p>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <div class=\"grv-highlight\" style=\"margin-top:26px;\">\r\n      <p>\r\n        Buyers should confirm resveratrol source, CAS number, chemical name, trans-isomer content, HPLC purity, assay method, related substances, loss on drying, residual solvents, Emodin, heavy metals, microbiology, particle size, storage condition, packaging, shelf life, regulatory status and destination-market label requirements before placing bulk orders.\r\n      <\/p>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section grv-section-soft\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Bulk Ordering Process<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Gensei helps supplement buyers move from specification review to quotation, sampling and shipment.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-process\">\r\n      <div class=\"grv-process-item\">\r\n        <span class=\"grv-process-number\">1<\/span>\r\n        <strong>Share Your Requirement<\/strong>\r\n        <span>Tell us your target resveratrol source, trans-resveratrol purity, application, order quantity, documentation needs, packaging needs and destination market.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-process-item\">\r\n        <span class=\"grv-process-number\">2<\/span>\r\n        <strong>Confirm Specification<\/strong>\r\n        <span>Our team confirms available source route, HPLC purity, color grade, particle size, sample availability and documentation options.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-process-item\">\r\n        <span class=\"grv-process-number\">3<\/span>\r\n        <strong>Review COA & Documents<\/strong>\r\n        <span>Qualified buyers can request COA, specification sheet, SDS, TDS, allergen statement, residual solvent report and related technical documents.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-process-item\">\r\n        <span class=\"grv-process-number\">4<\/span>\r\n        <strong>Quotation & Sample<\/strong>\r\n        <span>We provide pricing, MOQ, lead time, sample availability and shipping information based on the selected specification.<\/span>\r\n      <\/div>\r\n\r\n      <div class=\"grv-process-item\">\r\n        <span class=\"grv-process-number\">5<\/span>\r\n        <strong>Bulk Order & Shipment<\/strong>\r\n        <span>Batch quality confirmation, packaging and export shipment coordination are arranged before delivery.<\/span>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-section-head\">\r\n      <h2 class=\"grv-section-title\">Frequently Asked Questions<\/h2>\r\n      <p class=\"grv-section-desc\">\r\n        Common questions from supplement brands, OEM manufacturers, contract manufacturers and ingredient buyers.\r\n      <\/p>\r\n    <\/div>\r\n\r\n    <div class=\"grv-faq\">\r\n      <details open>\r\n        <summary>What is Resveratrol Powder?<\/summary>\r\n        <p>Resveratrol Powder is a polyphenol supplement ingredient commonly supplied as trans-resveratrol. It can be sourced from Polygonum cuspidatum root, grape skin or fermentation-based production routes depending on the selected grade and label strategy.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the CAS number of Resveratrol?<\/summary>\r\n        <p>The CAS number commonly used for trans-resveratrol is 501-36-0. Buyers should confirm identity, chemical name, assay method and specification by supplier documentation and batch COA.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the molecular formula of Resveratrol?<\/summary>\r\n        <p>The molecular formula commonly referenced for trans-resveratrol is C14H12O3, with molecular weight around 228.24 g\/mol.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the difference between Resveratrol and Trans-Resveratrol?<\/summary>\r\n        <p>Resveratrol can refer broadly to the compound, while trans-resveratrol refers to the trans-isomer commonly requested in supplement raw material sourcing. Buyers should confirm trans\/cis ratio and HPLC assay by batch COA.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the difference between Resveratrol Powder and Polygonum cuspidatum Extract?<\/summary>\r\n        <p>Resveratrol Powder may be a high-purity trans-resveratrol ingredient, while Polygonum cuspidatum Extract is a botanical extract source that can be standardized to resveratrol content. Buyers should review source, assay, Emodin, residual solvents and COA.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What is the difference between Resveratrol and Grape Extract?<\/summary>\r\n        <p>Trans-resveratrol is a defined compound, while grape extract is a botanical ingredient that may contain multiple polyphenols. Buyers should compare marker assay, source declaration, carrier, pesticide profile and label strategy before sourcing.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Is Resveratrol Powder water soluble?<\/summary>\r\n        <p>Resveratrol solubility depends on grade, particle size and formula system. Finished formula performance should be tested for solubility, dispersibility, sediment, taste, active retention and stability.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What purity options are available for Resveratrol Powder?<\/summary>\r\n        <p>High-purity options such as 98%, 99% or higher HPLC may be available depending on source, grade and stock. Final purity should always be confirmed by actual batch COA.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can Resveratrol Powder be used in capsules or tablets?<\/summary>\r\n        <p>Yes. Selected resveratrol specifications can be evaluated for capsules and tablets when serving size, bulk density, flowability, excipient compatibility and stability are suitable.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can Resveratrol Powder be used in drink powders?<\/summary>\r\n        <p>Resveratrol can be evaluated for drink powders, sachets and stick packs, but formulators should review solubility, dispersibility, sediment, pH, flavor compatibility and active retention.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Can Resveratrol Powder be used in gummies?<\/summary>\r\n        <p>Resveratrol can be evaluated for gummy concepts, but heat, pH, color impact, dispersion, taste, active retention and packaging should be tested carefully before launch.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Is Resveratrol Powder vegan?<\/summary>\r\n        <p>Vegan suitability depends on source, processing aids, carriers and manufacturing conditions. Buyers should request a vegan statement if vegan label positioning is required.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>How should Resveratrol Powder be stored?<\/summary>\r\n        <p>Resveratrol Powder should generally be stored sealed in a cool, dry and light-protected environment. Avoid heat, moisture, direct sunlight and incompatible materials.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>What documents can I request before ordering?<\/summary>\r\n        <p>Qualified B2B buyers can request COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement, vegan statement, source statement, flow chart, residual solvent report, Emodin testing information and other technical files depending on the selected grade.<\/p>\r\n      <\/details>\r\n\r\n      <details>\r\n        <summary>Does Gensei supply Resveratrol Powder for medical or pharmaceutical use?<\/summary>\r\n        <p>This page is focused on B2B dietary supplement ingredient sourcing. If your project involves pharmaceutical, medical food or therapeutic applications, please confirm the required grade, documentation and regulatory pathway separately.<\/p>\r\n      <\/details>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<div class=\"grv-section grv-section-soft\">\r\n  <div class=\"grv-wrap\">\r\n    <div class=\"grv-final-cta\">\r\n      <div>\r\n        <h2>Source Bulk Resveratrol Powder from Gensei<\/h2>\r\n        <p>Looking for a Resveratrol Powder manufacturer or bulk trans-resveratrol supplier for dietary supplements? Contact Gensei to request quotation, COA, specification, HPLC purity, source statement, MOQ, sample availability and global shipping support.<\/p>\r\n      <\/div>\r\n\r\n      <div>\r\n        <a class=\"grv-btn\" href=\"\/contact-us\/\">Contact Supplier<\/a>\r\n      <\/div>\r\n    <\/div>\r\n\r\n    <p class=\"grv-disclaimer\">\r\n      Disclaimer: This product information is intended for B2B dietary supplement ingredient sourcing and formulation reference only. It is not intended to diagnose, treat, cure or prevent any disease. Resveratrol Powder ingredient selection should be reviewed by identity, source route, trans-isomer content, purity, assay method, residual solvents, Emodin level, stability, storage condition, label declaration, Supplement Facts requirements, warning statements, NDI or market-entry requirements, import requirements and destination-market regulations. Regulatory status and permitted claims may vary by country, platform and finished-product category. Final supplement claims, dosage, labeling, warning statements, ingredient declaration, product classification and market compliance should be reviewed according to applicable regulations in the destination market.\r\n    <\/p>\r\n  <\/div>\r\n<\/div>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"Product\",\r\n  \"name\": \"Resveratrol Powder\",\r\n  \"alternateName\": [\r\n    \"Trans-Resveratrol\",\r\n    \"Resveratrol Extract Powder\",\r\n    \"Polygonum cuspidatum Resveratrol\",\r\n    \"Japanese Knotweed Extract Resveratrol\",\r\n    \"Grape Skin Resveratrol\",\r\n    \"Fermentation Resveratrol\",\r\n    \"3,4\u2032,5-Trihydroxy-trans-stilbene\",\r\n    \"Trans-3,5,4\u2032-Trihydroxystilbene\",\r\n    \"Bulk Resveratrol Powder\",\r\n    \"Micronized Resveratrol Powder\"\r\n  ],\r\n  \"description\": \"Bulk Resveratrol Powder and trans-resveratrol supplied for dietary supplement capsules, tablets, gummies, sachets, drink powders, antioxidant-positioned blends and custom premixes.\",\r\n  \"brand\": {\r\n    \"@type\": \"Brand\",\r\n    \"name\": \"Gensei\"\r\n  },\r\n  \"manufacturer\": {\r\n    \"@type\": \"Organization\",\r\n    \"name\": \"Gensei Global Industries Co., Ltd\"\r\n  },\r\n  \"category\": \"Dietary Supplement Ingredient\",\r\n  \"material\": \"Trans-resveratrol polyphenol supplement ingredient\",\r\n  \"additionalProperty\": [\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"CAS Number\",\r\n      \"value\": \"501-36-0\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Molecular Formula\",\r\n      \"value\": \"C14H12O3\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Molecular Weight\",\r\n      \"value\": \"228.24 g\/mol\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Source Options\",\r\n      \"value\": \"Polygonum cuspidatum root extract, grape skin extract or fermentation-based trans-resveratrol depending on grade and supplier documentation\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Common Forms\",\r\n      \"value\": \"High-purity trans-resveratrol powder, resveratrol extract powder, micronized resveratrol powder and custom premix options\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Key Specifications\",\r\n      \"value\": \"HPLC assay, trans-isomer content, source identity, purity, color, particle size, loss on drying, residual solvents, Emodin, heavy metals and microbiology\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Applications\",\r\n      \"value\": \"Dietary supplement capsules, tablets, gummies, sachets, drink powders, antioxidant-positioned blends and custom premixes\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Documents\",\r\n      \"value\": \"COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement, vegan statement, source statement, flow chart and residual solvent report upon request\"\r\n    },\r\n    {\r\n      \"@type\": \"PropertyValue\",\r\n      \"name\": \"Sourcing Note\",\r\n      \"value\": \"Resveratrol source, trans-isomer content, HPLC purity, impurity profile, Supplement Facts label requirements and destination-market compliance should be confirmed by actual batch documents\"\r\n    }\r\n  ]\r\n}\r\n<\/script>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is Resveratrol Powder?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Resveratrol Powder is a polyphenol supplement ingredient commonly supplied as trans-resveratrol. It can be sourced from Polygonum cuspidatum root, grape skin or fermentation-based production routes depending on the selected grade and label strategy.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the CAS number of Resveratrol?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"The CAS number commonly used for trans-resveratrol is 501-36-0. Buyers should confirm identity, chemical name, assay method and specification by supplier documentation and batch COA.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the molecular formula of Resveratrol?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"The molecular formula commonly referenced for trans-resveratrol is C14H12O3, with molecular weight around 228.24 g\/mol.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the difference between Resveratrol and Trans-Resveratrol?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Resveratrol can refer broadly to the compound, while trans-resveratrol refers to the trans-isomer commonly requested in supplement raw material sourcing. Buyers should confirm trans\/cis ratio and HPLC assay by batch COA.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the difference between Resveratrol Powder and Polygonum cuspidatum Extract?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Resveratrol Powder may be a high-purity trans-resveratrol ingredient, while Polygonum cuspidatum Extract is a botanical extract source that can be standardized to resveratrol content. Buyers should review source, assay, Emodin, residual solvents and COA.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Is Resveratrol Powder water soluble?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Resveratrol solubility depends on grade, particle size and formula system. Finished formula performance should be tested for solubility, dispersibility, sediment, taste, active retention and stability.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What purity options are available for Resveratrol Powder?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"High-purity options such as 98%, 99% or higher HPLC may be available depending on source, grade and stock. Final purity should always be confirmed by actual batch COA.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Can Resveratrol Powder be used in capsules or tablets?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Yes. Selected resveratrol specifications can be evaluated for capsules and tablets when serving size, bulk density, flowability, excipient compatibility and stability are suitable.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Can Resveratrol Powder be used in gummies?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Resveratrol can be evaluated for gummy concepts, but heat, pH, color impact, dispersion, taste, active retention and packaging should be tested carefully before launch.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What documents can I request before ordering?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Qualified B2B buyers can request COA, specification sheet, SDS, TDS, allergen statement, non-GMO statement, vegan statement, source statement, flow chart, residual solvent report, Emodin testing information and other technical files depending on the selected grade.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Does Gensei supply Resveratrol Powder for medical or pharmaceutical use?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"This page is focused on B2B dietary supplement ingredient sourcing. If a project involves pharmaceutical, medical food or therapeutic applications, the required grade, documentation and regulatory pathway should be confirmed separately.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\r\n\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Bulk Polyphenol Supplement Ingredient Supplier Resveratrol Powder Manufacturer &#038; Bulk Trans-Resveratrol Supplier Gensei supplies Resveratrol Powder, also known as Trans-Resveratrol, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":4827,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","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":""},"class_list":["post-14822","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/pages\/14822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/comments?post=14822"}],"version-history":[{"count":4,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/pages\/14822\/revisions"}],"predecessor-version":[{"id":21622,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/pages\/14822\/revisions\/21622"}],"up":[{"embeddable":true,"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/pages\/4827"}],"wp:attachment":[{"href":"https:\/\/collagensei.com\/it\/wp-json\/wp\/v2\/media?parent=14822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}