Paynantheine and speciogynine levels were quantifiable up to 1 h postdose, whereas none of the other alkaloids were detected. In summary, the method was successfully applied to quantify the exposure ...

In this article, you’ll find some of the top content that was published on LCGC this week, including calls for new chromatography technologies and interviews with rising stars in the field.

The FDA is recommending a scheduling action to crack down on certain products containing 7-OH, a chemical byproduct of the kratom plant. Florida is among more than a dozen states that have already ...

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

Three new diketopiperazine alkaloids, 6-methoxyspirotryprostatin B (1), 18-oxotryprostatin A (2), and 14-hydroxyterezine D (3), with an oxaspiro [4.4]lactam moiety, 14-norpseurotin A (4), and the ...

Researchers at the University of Tsukuba have discovered a unique biphasic cellular response triggered by tetrandrine, a naturally occurring alkaloid containing nitrogen. The research is published ...