Dehydrolycopene is a major steroidal sugar alkaloid (SGAs), which is mainly found in mature green fruits, leaves and flowers of tomatoes. Dehydrotomato is targeted at bacteria, fungi, insects and animals.
Tomatine hydrochloride is an alkaloid that occurs in the extract of leaves of wild tomato plants. It inhibits the growth of many fungi and bacteria. It is used as a precipitating agent for steroids.