Ferulic acid waxa ay si weyn ugu jirtaa dhirta dabiiciga ah,oo leh magaca kiimikaad 4-hydroxy-methoxycinnamic acid.Waxa laga helaa dawooyinka dhaqameed ee kala duwan ee Shiinaha sida Angelica sinensis,Ligusticum chuanxiong,Equisetum,iyo Cimicifuga ee dhirta.Ferulic acid waxa uu leeyahay muuqaal balaadhan sifooyinka antioxidant, waxay joojin karaan dhaqdhaqaaqa melanocytes iyo tyrosinase, waxayna leedahay laalaab ka hortag ah, gabowga, caddeynta, ka hortagga bararka iyo saameynaha kale