Most of the substances in kratom are alkaloids, such as Mitragynine (60-65 percent), Paynantheine (9 percent), Speciogynine (7 percent), and 7-hydroxymitragynine (2 percent), etc.
The substances in the engine room are mainly alkaloid groups, such as dimethyl amino acid (60-65%), phenylformic acid (9%), specific amino acid (7%) and 7- hydroxy carbamic acid (2%).