Quercetin is a plant pigment (flavonoid). It is found in many plants and foods, such as red wine, onions, green tea, apples, berries, Ginkgo biloba, St. John's wort and more. 


Product Name: Sophora Japonica Extract

Latin Name: Sophora Japonica L.

Assay: Quercetin 95% by HPLC

Part Used: Whole flower bud

Extract Solvent: Ethanol & Water

Appearance: Yellow Crystalline Powder

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