Habitat: Native to Europe and Asia. Occurs in the temperate Himalayas from Kashmir to Garhwal.
English: Indian Henbane, Black Henbane.Ayurvedic: Paarsika-yavaani, Yavaani, Madkaarini, Turushkaa, Khuraashaanikaa, Khuraasaani Ajwaayin.Unani: Barz-ul-Banj, Khuraasaani Ajwaayin.Siddha/Tamil: Paarseekayavani, Khurasani Omam.Action: Sedative. Narcotic drug. Used for convulsions. Action similar to Belladonna.
Key application: In spasms of gastrointestinal tract. (German Commission E, The British Herbal Pharmacopoeia.)The leaves and flowering tops contain tropane alkaloids, 0.045-00.14%, the principal ones being hyoscyamine and hyoscine. The alkaloids are para- sympatholytic, with similar actions to Belladonna, although with less cerebral excitement.The seeds show inhibitory activity against digestive enzyme, lipase in vitro.Contraindicated in tachycardias, prostatic hyperplasia, narrow-angle glaucoma, acute pulmonary oedema, stenosis of gastrointestinal tract, maga colon.Dosage: Seed—3-5 g powder. (CCRAS.)