{"product_id":"quercetin-98-sophora","title":"Quercetin 98% Powder (Japanese Pagoda Tree) | High-Purity Isolate | Sophora japonica","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCommon names:\u003c\/strong\u003e Quercetin, 3,3',4',5,7-Pentahydroxyflavone, Flavonol Aglycone, Sophora Quercetin, Quercetin Dihydrate\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBotanical source:\u003c\/strong\u003e \u003cem\u003eSophora japonica L.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlant part:\u003c\/strong\u003e Flower bud\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey bio-active:\u003c\/strong\u003e Quercetin 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 Sophora japonica flower bud, acid hydrolysis of rutin to release quercetin aglycone, column chromatography and recrystallisation; purity verified by HPLC (≥98%). Commonly supplied as quercetin dihydrate — confirm anhydrous vs dihydrate form 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\u003eQuercetin 98% from Sophora japonica is a high-purity flavonol aglycone standardised to ≥98% by HPLC. Quercetin is one of the most widely researched dietary flavonoids, with applications in antioxidant, anti-inflammatory, immune support, and cardiovascular supplement formulation. Confirm anhydrous vs dihydrate form with supplier CoA as it affects weight-based dosing calculations. Raw material sourced from East Asia; processed in India. Per-lot CoA. See also: \u003ca href=\"\/es\/collections\/standardised-extracts\"\u003eStandardised Extracts →\u003c\/a\u003e · \u003ca href=\"\/es\/pages\/herbiq-compoundindex\"\u003eActive Compound Index →\u003c\/a\u003e\u003c\/p\u003e","brand":"Herbuno.Com","offers":[{"title":"100 G \/ 3.5 Oz","offer_id":52337131192603,"sku":null,"price":53.82,"currency_code":"USD","in_stock":true},{"title":"250 G \/ 8.8 Oz","offer_id":52503768727835,"sku":null,"price":107.63,"currency_code":"USD","in_stock":true},{"title":"1 Kg \/ 2.2 Lbs","offer_id":52337131225371,"sku":null,"price":179.39,"currency_code":"USD","in_stock":true},{"title":"5 Kg \/ 11 Lbs","offer_id":52337131258139,"sku":null,"price":681.68,"currency_code":"USD","in_stock":true},{"title":"10 Kg \/ 22 Lbs","offer_id":52503768760603,"sku":null,"price":1255.73,"currency_code":"USD","in_stock":true},{"title":"25 Kg \/ 55 Lbs","offer_id":52337131290907,"sku":null,"price":3229.02,"currency_code":"USD","in_stock":true}],"url":"https:\/\/herbuno.com\/es\/products\/quercetin-98-sophora","provider":"Herbuno.Com","version":"1.0","type":"link"}