Ferulic acid As is a common phenolic acid in the plant kingdom, ferulic acid constitutes the skeleton of cell walls with polyhexose and proteins in plant cell walls. It is one of the effective components of Chinese angelica, hemlock parsley, asafetida and other traditional Chinese medicines, and also shows higher contents in food raw materials, such as rice bran, rice hull, wheat bran, vanilla beans, and coffee. It has been discovered in recent years: ferulic acid is a new non-peptide endothelin antagonist, having the effect of whitening skin, and meanwhile the functions of anti-free radicals, anti-oxidation and body-building, promoting blood microcirculation as well as protecting the skin. Chemical name: 4-Hydroxy-3-methoxycinnamic acid CAS No.: 1135-24-6 EINECS No.: 214-490-0 Description: it is a white to light yellow crystalline powder, and easily soluble in hot water and in diol. Function: 1. Anti-oxidation, scavenging oxygen free radicals; 2. Promoting blood microcirculation; 3. Whitening skin and removing spots: It shows antagonistic action on endothelin-1 (ET-1), competitively inhibiting the binding of ET-1 and its receptors, and inhibiting the proliferation of endothelin on melanocytes; 4. Bacteriostasis: It displays a superior inhibition on staphylococcus aureus, and can reduce the use of preservatives after adding in cosmetics. Dosage: 0.1-3.0%. Use: skin whitening and spot removing products, sun-screening products, anti-aging products and plant preservative products, etc.