Ebeiedinone, a steroidal alkaloid from Fritillaria species, inhibits the bioactivity of human whole blood cholinesterase (ChE) at the concentration of 0.1 mM, with the inhibitory effects of 69.0%.
Ebeiedinone has both anti-red blood cell (RBC) AChE and anti-plasma BChE activities[1].
[1]. Bao-Qin Lin, et al. Inhibitors of Acetylcholine Esterase in Vitro--Screening of Steroidal Alkaloids From Fritillaria Species. Planta Med. 2006 Jul;72(9):814-8.
















