I can't. Green tomato, also known as green tomato. According to the determination, immature green tomatoes contain toxic substance Solanum nigrum. Eating this immature green tomato has a bitter feeling in the mouth, which will cause discomfort to the body after eating it. Solanine is not only alkaline, but also toxic. The toxic mechanism of Solanum nigrum is mainly through inhibiting the activity of cholinesterase, which causes toxic reaction in human body. There are two types of cholinesterase: acetylcholinesterase and hydroxycholinesterase. Cholinesterase is a kind of hydrolase, and its function is to hydrolyze acetylcholine. Once acetylcholine is hydrolyzed, it will lose its function.