Grape Seed Extract；葡萄籽提取物/原花青素(Proanthocyanidins)-95%；84929-27-1
Formula:C32H30O11 Molecular
Weight：590.57
Appearance：Yellow brown to red brown powder
Purity：95+%
Grape Seed Extract are industrial derivatives from whole grape seeds that have a great concentration of vitamin E, flavonoids, linoleic acid, and OPCs.