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Natural Vitamin E (Tocopherol) is derived from soybean oil or rapeseed oil,as nature’s fat-soluble antioxidant constitutes:Alpha-tocopherol, Beta-tocopherol, Gamma-tocopherol, Delta-tocopherol. Beta-tocopherol exists in concentrations too low to have any practical significance. Gamma and Delta-tocopherols are known primarily for their antioxidant properties. Being used as antioxidant, their physiological activities is: Delta > Beta > Gamma > Alpha. Nowadays, Natural Vitamin E is divided into Mixed Tocopherol (Low alpha-tocopherol) and Tocopherol (High alpha-tocopherol).