Emodin is a natural compound extracted from Chinese herbal medicines such as rhubarb and knotweed, which has various pharmacological effects such as anti-inflammatory, anti-virus, and anti-tumor. Emodin is mainly used for anti-feeding Chemicalbook, anti-inflammatory, anti-mutation, antiseptic, anti-cancer (chest), anti-ulcer, anti-virus, catharsis, gonadotropin, immunosuppressive immunity, insecticide, laxative, antispasmodic, hemostatic agent.