Robuta

https://pmc.ncbi.nlm.nih.gov/articles/PMC6123365/ Pharmacokinetics of Nuciferine and N-Nornuciferine, Two Major Alkaloids From Nelumbo nucifera... The leaf of the lotus (Nelumbo nucifera) is a natural plant resource used as both food and herbal medicine (He-Ye) in China. Alkaloids are considered the major... n nornuciferine