Proanthocyanidins and anthocyanins. Organic acids, including quinic, malic and citric acids. Vitamins and minerals including vitamin A, carotene, thiamine, riboflavin, niacin, vitamin C and more . . .
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.