Harmalol hydrochloride is a β-carboline alkaloid that can be extracted from the seeds of Peganum harmala L. Harmalol hydrochloride is the major metabolite of Harmaline and significantly inhibits dioxin-mediated induction of CYP1A1 at both transcriptional and post-translational levels.

Desoxo-narchinol A exhibits protective effects against LPS-induced endotoxin shock and inflammation through p38 deactivation, it shows inhibitory activity against LPS-induced NO production. Desoxo-narchinol A shows cytotoxic activity against P-388 cells.

Soyasapogenol A shows estrogenic and hepatoprotective activities, it directly prevents apoptosis of hepatocytes, and secondly, inhibits the elevation of plasma TNF-α±, which consequently resulted in the prevention of liver damage in the concanavalin A-induced hepatitis model.