Black beans, also known as black beans and black beans, are sweet and flat. Black beans have the characteristics of high protein and low calorie.

In the supermarket, black beans are labeled as "green beans", which is a kind of black beans here. Black soybean has black seed coat and yellow or green cotyledons. That is, the skin is black and the inside is green. Nutrients Black beans are rich in nutrients, including protein, fat, vitamins, trace elements and other nutrients, as well as a variety of bioactive substances, such as black bean pigment, black bean polysaccharide, isoflavones and so on.