... ,Food grade,fine light yellow and brown powder Product Name: Grape Seed P.E.Latin Name:Vitis vinifera LActive Ingredients:procyanidine ... %Herb Source:Vitis vinifera L.Appearance:Red-brown powderProduct Benefits: Grape seed extract--OPCs , best known for its anti-oxidant, has ... :Store in cool dry place,avoid sunlight and high temperature. Grape Seed P.E.