Tocotrienols is a kind of palm oil and rice bran oil in functional ingredients, its chemical structure is similar to tocopherol.  In recent years, studies have shown that it has more superior physiological function than tocopherol.Vitamin E of all kinds of animals in different growth stage is very important, including the reproductive, muscles, nerves, and immune system of the best function is indispensable.Commonly referred to as vitamin that alpha tocopherol, its active highest, the most widespread, the most representative, so has been referred to as vitamin the focus of the research object.

Vitamin E refers to a group of eight fat-soluble compounds that include both tocopherols and tocotrienols.[1] Of the many different forms of vitamin E, γ-tocopherol is the most common in the North American diet.[2] γ-Tocopherol can be found in corn oil, soybean oil, margarine, and dressings.[3][4] In the North American diet, α-tocopherol, the most biologically active form of vitamin E, is the second-most common form of vitamin E. This variant can be found most abundantly in wheat germ oil, sunflower, and safflower oils.[4][5] As a fat-soluble antioxidant, it stops the production of reactive oxygen species formed when fat undergoes oxidation