Action: Camphor taken internally in small doses (toxic in large doses) acts as a carminative, reflex expectorant and reflex stimulant of heart and circulation as well as respiration. Also used as a sedative and nervous depressant in convulsions, hysteria, epilepsy, chorea. Topically used as a rubefacient and mild analgesic.
Key application: Externally in catarrhal diseases of the respiratory tract and muscular rheumatism; internally in hypotonic circulatory regulation disorders, Catarrhal diseases of the respiratory tract. (German Commission E.)The plant contains a volatile oil comprising camphor, safrole, linalool, eugenol and terpeneol. It also contains lignans (including secoisosolari- ciresinol dimethyl ether and kusunoki- ol). Safrole is thought to be carcinogenic.The leaf oil is a natural source of linalool (94.9%); also contained cit- ronellal (2.4%).Camphor in concentration of 500 mcg/ml completely inhibits the growth of vibro parahaemolyticus, one of the causative agents of diarrhoea and dysentery. Ethanolic extract (50%) of fruits show antibacterial activity against several Gram-positive and Gram-negative bacteria. The essential oil from the plant possesses antifungal activity against many fungi. Camphor is toxic at 2-20 g.Dosage: Concentrate—125-375 mg (CCRAS.)... cinnamomum camphora