Cycloheterophyllin has an antioxidant effect, it is a photoprotective agent that inhibits ultraviolet A (UVA)-induced oxidative stress and damage, and could be used in the research on and prevention of skin photoaging.
8alpha-Tigloyloxyhirsutinolide 13-O-acetate shows inhibitory activity toward CYP2A6 and MAO-A and MAO-B enzymes. 8alpha-Tigloyloxyhirsutinolide 13-O-acetate has anti-cancer activity, it is active against both cancer cell lines (IC50 = 3.50 microM for HT29