1, purple sweet potato: In addition to the nutrients of ordinary sweet potato, it is also rich in selenium and anthocyanins.

2. Eggplant: The purple color of eggplant skin comes from anthocyanins and their glycosides. The darker the color of eggplant, the more cyanine it contains, which is an antioxidant and good for the skin.

3, purple cabbage: rich in anthocyanins and a variety of vitamins and minerals.

4. Blueberry: The content of anthocyanin is very high, much higher than that of ordinary fruit, so it is also called "the king of blue and white pigments".

5. Grapes: Grapes contain polyphenols, resveratrol and anthocyanins, which have played a good role in expelling liver fire. Eating grapes often, especially purple ones, contains many compounds that are beneficial to the liver.

6, black beans: black beans will have a better weight loss effect than soybeans, because the blue and white pigment contained in black beans can effectively inhibit intestinal lipase and decompose fat.

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