Antioxidants, flavonoids including oligomeric proanthocyanidins.
Citral.
Honokiol.
Amargogentin.
Diosgenin.
Flavanoids, quercetin.
Anthraquinone glycosides.
Flavones, baicalein.
Crocetin and crocin.
Saponin, tannin, insitol.
Ascorhbic and glycolic acids.
Rich in vitamin K.