quercetin extract powder

Product name: Quercetin Specifications: 95%, 98% Source: Sophora japonica flower CAS No: 117-39-5 Appearance: Yellow powder Test Method: HPLC Shelf Life: 2 Years Certs: GMP, ISO9001, ISO22000, HACCP, KOSHER, HALAL Content: Natural, Non-additive, Non-GMO, Treat by Heat Only