Oryzanol is the combined lipid of Ferulic acid and Phytosterol .It was extracted from the grain oil of rice bran oil and   germ oil. It is purely natural ,rather than synthesis. So it has no negative effect on human body.It's appearance or form is white powder or white crystalline. It has the smell of somewhat fragrant. When heated , it is dissolved into oils,but not into water. Clinically,the oryzanol is used to improve the functions of vegetative nerve and endocrine regulation. What's more, oryzanol also has the physiological effect of antioxidant and anti-aging. It is also helpful fotr treating the symptom, such as Premenstrual Tension and headache from vascular.