Black beans, the name of the king of beans. It is comprehensive in nutrition, rich in protein, vitamins and minerals. It has the effects of promoting blood circulation, benefiting water, hurricane and detoxification. The content of trace elements in beans is very high, such as zinc, copper, magnesium, molybdenum, selenium and fluoride. Human aging, reducing blood viscosity, etc. are very important; black bean hull contains cyanine
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