僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用. Formula:C32H30O11Molecular Weight：590.57Appearance：Yellow brown to red brown powderPurity：95+% Grape Seed Extract are industrial derivatives from whole grape seeds that have a great concentration of vitamin E, flavonoids, linoleic acid, and OPCs.