Kadsurin has anti-oxidant activity, it induces enzymes capable of scavenging oxygen radical species in the liver. Kadsurin may be valuable antitumor promoters or chemopreventors. Kadsurin, (-)- is a tannin. It has a role as a metabolite.

Silibinin is a flavonolignan isolated from milk thistle, Silybum marianum, that has been shown to exhibit antioxidant and antineoplastic activities. It has a role as an antioxidant, an antineoplastic agent, a hepatoprotective agent and a plant metabolite. It is a secondary alpha-hydroxy ketone, a polyphenol, an aromatic ether, a benzodioxine and a flavonolignan. Silybin A has oxidative effects, it shows stronger effects on cell growth inhibition and apoptosis induction than silybin.

Kansuinin B is an organooxygen compound. It is functionally related to a tetracarboxylic acid.