1、 Purple cabbage

Purple cabbage, also known as purple cabbage, is a vegetable of Brassica in Cruciferae. The cabbage is spherical and its leaves are purplish red. Vegetables are rich in protein, folic acid, vitamin A and some minerals, which have very high nutritional value. The main feature of purple cabbage is that the content of anthocyanins in its leaves is very high, so it can resist aging and has the effect of beauty and beauty

2、 Purple onion

The skin of purple onion also contains a lot of anthocyanins, so it can remove free radicals in the body and improve beauty. In addition, purple onion has high nutritional value and is an indispensable side dish on the table

3、 Purple potato

Purple sweet potato is a herbaceous plant of sweet potato in Convolvulaceae. Its flesh is purple, so it is also called purple heart sweet potato, or purple flesh sweet potato. Purple potato has very high nutritional value. It is rich in more than 10 mineral elements such as zinc, iron and arsenic, and contains many amino acids and vitamins. In addition, it is also an important raw material for food, chemical industry, medical treatment and other aspects

4、 Eggplant

Eggplant is a vegetable of Solanaceous potato. Some eggplant are round and long. Its colors are white, red and purple. Its roots, stems and leaves can be used as medicine. It has a good effect on reducing swelling, diuresis and treating constipation. It is cultivated in all provinces of China. Eggplant is an essential food material on people's dinner table