Silibinin
Synonyms: Silymarin
Molecular Formula C25H22O10
Molecular Weight 482.44
CAS Registry Number 22888-70-6 (65666-07-1)
Silymarin is a flavonoid found in the herb milk thistle. Another medical source says silymarin is a mixture of polyphenolic flavonoids isolated from milk thistle. Milk thistle is commonly found growing wild in a variety of settings, including roadsides. The seeds of the dried milk thistle flower are used.