... king of laudatory name, for legume soybean black seeds, and yellow soybeans interplanting, kind of skin black. Nutritional value 1, ... , copper, magnesium, molybdenum, selenium and fluorine content is very high, and these trace elements to delay the aging body, reduce ... is a good source of antioxidants, can free radicals, especially in the gastric acid environment, antioxidant effect is good, improve ...