Bergaptol is a hydroxylated psoralen isolated and purified from the root of Notopterygium incisum that acts as a potent inhibitor of debenzylation activity of CYP3A4 enzyme with an IC50 value of 24.92 μM.

Notopterol induces apoptosis and inhibits cell cycle-specific, it's a natural product isolated and purified from the roots of Notopterygium incisum.