Plant sources: Curcuma longa L. Turmeric
Latin name: Rhizoma Curcumae Longae
Part used: Rhizoma
Active ingredient: Curcumin, Bisdemethoxycurcumin,
Demethoxycurcumin
Pharmacological action:
1. It is a natural food coloring, having strong coloring ability,
goodheat resistance and light resistance.