【Product Name】 Quercetin

【Chemical name】 4H-1-Benzopyran-4-one, 2- (3,4-dihydroxyphenyl) -3,5,7-trihydroxy-Flavone

【 Source 】 Dried flower buds of Sophora flavescens Ait., a leguminous plant

【 CAS Number 】 117-39-5

【 Molecular Formula 】 C15H10O7

【 Molecular Weight 】 302.24

【Product Specification】 Quercetin 98%; 1-98% isoquercetin; Enzymatic treatment of isoquercitrin 1-30%; Rutin 95%; Troxerutin 98%; Rat plum sugar 98%; Osmanthus extract 98%; Sophora japonica extract 10:1 (powder, liquid); Complete specifications, please consult customer service for details.

【 Detection Method 】 HPLC/UV

【 Physical and Chemical Properties 】 Dihydrate is a yellow needle shaped crystal (dilute ethanol), which becomes anhydrous at 95-97 ° C and has a melting point of 314 ° C (decomposition). Soluble in cold ethanol (1:290), easily soluble in hot ethanol (1:23), soluble in methanol, ethyl acetate, glacial acetic acid, pyridine, acetone, etc., insoluble in water, benzene, ether, chloroform, petroleum ether, etc. The alkaline aqueous solution is yellow and almost insoluble in water. The ethanol solution has a bitter taste.

【Product Description】 Yellow powder

【 Product particle size 】 95% pass through 80 mesh

The production process is mainly completed by processes such as alcohol extraction, extraction, chromatography, and crystallization

【 Packaging Specifications 】 Standard packaging: 25kg/cardboard drum; Bulk cargo: 1kg/bag

【 Storage conditions 】 Sealed, cool, moisture-proof, and away from light

【 Shelf life 】 24 months

【Product Application】 Raw Materials