Adzuki bean contains protein, fat, carbohydrate, crude fiber, calcium, phosphorus, iron, vitamin B 1, vitamin B2, saponin and other nutrients. Its nutritional efficacy: it is flat in nature, sweet and sour in taste, and can induce diuresis to reduce swelling (edema, beriberi, jaundice, diarrhea, hematochezia and carbuncle), and clear away heat and yellow.

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 pigments, black bean polysaccharides, isoflavones and so on. Unsaturated fatty acids contained in black beans can promote cholesterol metabolism, reduce blood lipid and prevent cardiovascular diseases. Black beans have high fiber content, which can promote gastrointestinal peristalsis and prevent constipation.