Over 25 alkaloids have been isolated from kratom. The most abundant alkaloids consist of three indoles and two oxindoles. The three indoles are mitragynine, paynanthine, and speciogynine-the first two of which appear to be unique to this species. The two oxindoles are mitraphylline and speciofoline.
Wikipedia edition codes. Distribution of the 45,958,285 articles in different language editions (as of 22 August 2017) The majority of the articles in Swedish, Cebuano, and Waray were created by Lsjbot.
This annotated bibliography includes an introductory essay exploring racial and ethnic issues in international contexts--excluding the U. S.--and an annotated bibliography of 20 books and 13 journal articles pertaining to the topic. The resources are organized by continent and type of the literature.