γ-oryzanol is mainly nutritional activity factors in rice bran, rice bran oil and rice germ, which is a mixture of ring of pineapple alcohol homologues ferulic acid esters, and among of them ferulic acid ester cycloartenol and 24-methylene cycloartenol are mainly components. Recent studies showed shown that oryzanol has antioxidant, scavenging free radicals, reducing blood fat and cholesterol and other physiological functions, preventing development of cardiovascular diseases and cancer, y-oryzanol is also used as kind of plant nerve regulator...