Ursolic acid, damnacanthal, proxeronine, vitamins, minerals and antioxidants.
Honokiol.
Amargogentin.
Citral.
Diosgenin.
Flavanoids, quercetin.
Crocetin and crocin.
Anthraquinone glycosides.
Flavones, baicalein.
Ruscogenin and neuorscogenin.
Cinnamaldehyde, eugenol.
Caffeic acid glycoside.
Ascorhbic and glycolic acids.