Black beans are divided into large black beans and small black beans.

Large black beans, Chinese medicine called black soybeans, Chinese medicine literature records, soybeans have black, yellow, green, spot and other colors, only to black soybeans into medicine. Big black beans, grain type is more round, bean kernel has green, yellow points, to green core black beans nutritional value is good.

Middle black beans: in the market, the smaller grain size of the large black beans called middle black beans.

Small black beans: the grain type is flat and long, the kernel is usually yellow.

Green core large black beans:

Yellow core large black beans:

Small black beans:

Black beans bean money:

Black beans flattened and cracked is called black beans bean money (bean money money), easy to cook and easy to rot, do not need to soak, open the pot on the rotten, and can be boiled with the rice, cooked together, to make beans rice, simmering beans porridge, cooking beans are very convenient. You can Baidu "can open the pot on the rotten beans money".