{"product_id":"resveratrol-98-polygonum","title":"Resveratrol 98% Powder (Japanese Knotweed) | High-Purity Isolate | Polygonum cuspidatum","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCommon names:\u003c\/strong\u003e Resveratrol, trans-Resveratrol, 3,4',5-Trihydroxystilbene, Japanese Knotweed Stilbene, Polygonum Resveratrol\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBotanical source:\u003c\/strong\u003e \u003cem\u003ePolygonum cuspidatum Siebold \u0026amp; Zucc.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlant part:\u003c\/strong\u003e Root and rhizome\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey bio-active:\u003c\/strong\u003e Resveratrol 98%\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade:\u003c\/strong\u003e Nutraceutical-grade\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eForm:\u003c\/strong\u003e High-purity isolate (purified from botanical extract)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProcess:\u003c\/strong\u003e Hydroalcoholic extraction from Polygonum cuspidatum root, column chromatography and recrystallisation; purity verified by HPLC (≥98% trans-resveratrol). At this purity this is a purified stilbene isolate. Confirm trans vs cis isomer ratio with supplier CoA\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Processed in India\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShelf-life:\u003c\/strong\u003e 18–36 months · below 25 °C (\u0026lt;60% RH) · tightly sealed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Per-lot CoA and SDS with every order\u003c\/p\u003e\n\u003cp\u003eResveratrol 98% from Polygonum cuspidatum is a high-purity trans-resveratrol stilbene standardised to ≥98% by HPLC. Trans-resveratrol is the biologically relevant geometric isomer and the predominant form in commercial preparations. Researched for antioxidant, cardiovascular support, and anti-inflammatory applications. Confirm trans isomer ratio with supplier CoA. Raw material sourced from East Asia; processed in India. Per-lot CoA. See also: \u003ca href=\"\/collections\/standardised-extracts\"\u003eStandardised Extracts →\u003c\/a\u003e · \u003ca href=\"\/pages\/herbiq-compoundindex\"\u003eActive Compound Index →\u003c\/a\u003e\u003c\/p\u003e","brand":"Herbuno.Com","offers":[{"title":"100 G \/ 3.5 Oz","offer_id":52337158652187,"sku":null,"price":179.82,"currency_code":"USD","in_stock":true},{"title":"250 G \/ 8.8 Oz","offer_id":52503769579803,"sku":null,"price":359.63,"currency_code":"USD","in_stock":true},{"title":"1 Kg \/ 2.2 Lbs","offer_id":52337158684955,"sku":null,"price":599.39,"currency_code":"USD","in_stock":true},{"title":"5 Kg \/ 11 Lbs","offer_id":52337158717723,"sku":null,"price":2277.68,"currency_code":"USD","in_stock":true},{"title":"10 Kg \/ 22 Lbs","offer_id":52503769612571,"sku":null,"price":4195.73,"currency_code":"USD","in_stock":true},{"title":"25 Kg \/ 55 Lbs","offer_id":52337158750491,"sku":null,"price":10789.02,"currency_code":"USD","in_stock":true}],"url":"https:\/\/herbuno.com\/products\/resveratrol-98-polygonum","provider":"Herbuno.Com","version":"1.0","type":"link"}