1, it is best to soak raw beans in vinegar so that they are easy to store, which usually takes 10 days or even longer. Be careful to store in a cool place. In addition, it is best to cook to seven points when eating, not fully cooked, which will cause the loss of nutrition.

2, vinegar soaked black beans is also often referred to as vinegar beans, is the Chinese medicine treatment of kidney deficiency commonly used food, but also has a bright eye, whitening, hair and other effects. The principle lies in the black beans among the anthocyanins, after being soaked in vinegar, it is easier to be absorbed.