Ontology highlight
ABSTRACT:
SUBMITTER: Flores-Bocanegra L
PROVIDER: S-EPMC7718854 | biostudies-literature | 2020 Jul
REPOSITORIES: biostudies-literature
Flores-Bocanegra Laura L Raja Huzefa A HA Graf Tyler N TN Augustinović Mario M Wallace E Diane ED Hematian Shabnam S Kellogg Joshua J JJ Todd Daniel A DA Cech Nadja B NB Oberlies Nicholas H NH
Journal of natural products 20200629 7
Two separate commercial products of kratom [<i>Mitragyna speciosa</i> (Korth.) Havil. Rubiaceae] were used to generate reference standards of its indole and oxindole alkaloids. While kratom has been studied for over a century, the characterization data in the literature for many of the alkaloids are either incomplete or inconsistent with modern standards. As such, full <sup>1</sup>H and <sup>13</sup>C NMR spectra, along with HRESIMS and ECD data, are reported for alkaloids <b>1</b>-<b>19</b>. Of ...[more]