The federal government is seeking to restrict a synthetic kratom product that is already banned in Arizona but easy to find ...

本研究揭示了卡痛树 (Mitragyna speciosa)中非经典3R构型单萜吲哚生物碱 (MIAs)的生物合成机制。 研究人员发现BBE-like氧化酶MsCO1与异黄酮还原酶样异构酶MsDCR1/2通过氧化-还原级联反应，将Pictet-Spengler缩合产生的3S-MIAs差向异构化为3R-MIAs，并证实该途径是螺环氧化吲哚生物碱 (如mitraphylline)的前体合成关键。

Over the last decade a substance known as kratom has grown in popularity, appearing on the shelves of gas stations, smoke shops, coffee spots and tea stores.

Federal officials plan to send warning letters to companies marketing products with 7-OH, part of effort to fight America's ...

Mitragyna speciosa, also known as kratom, is a tropical tree that stems in Southeast Asia. It is a cash crop in many countries like Malaysia, Indonesia, Thailand, Papua New Guinea, and the Philippines ...