Sweet, cold and non-toxic.
Ingredients include various alkaloids such as trigonelline and stachydrine, vitamins B and C, nicotinic acid, carotene, protein and fat.
Has the effects of promoting blood circulation, relieving pain, astringing and stopping bleeding, and promoting diuresis and detoxicating. External use can be used to treat swelling and scrub frostbite, and eating eggplant raw can alleviate mushroom poisoning.