The oil is reported to be bacteriocidal. It exhibited antimicrobial activity against Gram-positive and Gramnegative bacteria.The essential oil, obtained from seeds, shows antioxidant activity comparable to BHT.The plant gave coumarin derivatives including umbelliferone and scopo- letin.Dosage: Gum-resin—125-500 mg. (CCRAS.)... ferula sumbul