The molecule is a flavonolignan isolated from milk thistle, Silybum marianum, and has been shown to exhibit hepatoprotective activity. It has a role as a metabolite and a hepatoprotective agent. It is a flavonolignan, a benzodioxine, an aromatic ether and a polyphenol.
(2S)-5,7-dihydroxy-2-[(2R,3R)-2-(4-hydroxy-3-methoxyphenyl)-3-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one