... 3 specification:food/feed grade 50% vitamin E powder 50%(food/feed grade)/10191-41- ... 50% Vitamin E is a generic term for tocopherols and tocotrienols.Vitamin E is a family of α-, β-, γ-, and δ- (respectively: alpha, beta, gamma, and delta) tocopherols and corresponding four tocotrienols. Vitamin E ... . Anti-Aging Benefits of Vitamin E Vitamin e added to lotions, creams, and other skin care products, ...