... alkaloids and other compounds such as sanguinarine, toddaline, protopine, a-allocryptopine, bocconine, rhizoma coptidis alkali, berberine, ... samin alkali and protopine are in the root and aerial parts. Macleaya ... cordata contains several alkaloids including sanguinarine, chelerythrine, protopine, and allocryptopine.Our product, Macleaya cordata extract mainly ...