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, it means that it contains more cyanine, which is an antioxidant and good for the skin.

3, purple cabbage: rich in anthocyanins and various vitamins and minerals.

4. Blueberries: The content of anthocyanins is very high, much higher than that of ordinary fruits, so it is also known as the "king of blue and white pigments".

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