Bitter steroid alkaloid

Two acidic resin, a bitter substance called mormodicine. 0.3% alkaloid charantoin, a steroidal glycoside consisting of a mixture of P-D-glucose of P-sistosterol and of D-5,25-stigmastadiene-3 - P o 1... 

Triterpenoid (steroidal) bitter substances (cucurbitacins) and saponins present, also alkaloids and alkaloid-like substances Caustic latex in many species, due to presence of highly irritant pro-inflammatory, cocarcinogenic diterpene derivatives... 

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