1. In fact, it is better not to peel eggplants: Nutrition experts suggest that it is best not to peel them when eating eggplants, because the rich vitamin E and P content in eggplants are greatly hidden in the eggplants. In the skin, if the eggplant skin is removed before use, its nutritional value will be reduced.

2. The most abundant part of vitamin P is the joint between the purple skin and pulp, so the purple variety of eggplant is the best. Vitamin P can maintain the elasticity and physiological function of blood vessel walls and prevent hardening and rupture, so eating eggplant regularly can help prevent and treat high blood pressure, coronary heart disease, arteriosclerosis and hemorrhagic purpura.

3. Vitamin B, eggplant skin has high nutritional value, especially vitamin B, which is the "best partner" of vitamin C. When we consume enough vitamin C, we need the support of vitamin B for metabolism.

4. After peeling the eggplant, the trace element iron in it is easily oxidized by the air and turns black, which may also affect the body's absorption of iron.