The green color that forms on the skin is actually chlorophyll which isn't toxic but indicates the presence of the toxin solanine which is a defense mechanism against pests.

土豆皮上的色实际上，它无毒的，但这表明有毒茄碱的存在，这防御害虫的机制。

All potatoes contain two natural toxins called solanine and chaconine.

所有土豆都含有两天然毒， 称为龙葵碱和查茄碱。