Correct spelling for the English word "alangine" is [ɐlˈaŋɡɪn], [ɐlˈaŋɡɪn], [ɐ_l_ˈa_ŋ_ɡ_ɪ_n] (IPA phonetic alphabet).
An alkaloid obtained from the bark, root, and leaves of Alangium lamarckii, a tree of India; it is a bitter tonic, antiperiodic, and, in large doses, emetic and cathartic.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.