What is the nutritional value of eating black beans?

1. What are black beans?

Black beans are actually the black seeds of soybeans in the Fabaceae family. It is a cultivated variety. Soybean is the official middle name. This name comes from "Compendium of Materia Medica" and is determined as the official middle name in "Fora of China". Its alias is recorded as Shu in the Book of Songs; it is commonly known as soybean because of the large number of soybeans with yellow seeds. Black beans are native to my country and are cultivated throughout the country. Soybeans are one of the important food crops in my country, and black beans are a component of soybeans.

2. The nutritional content and value of black beans

According to relevant unit measurements, black beans contain 35%-45% protein and are one of the crops with the best protein quantity and quality among plants. ; Contains 15%-20% fat; 25%-30% carbohydrate; and also contains vitamin B, vitamin C, vitamin D, etc. It is rich in minerals, accounting for 4.5%-5.0% of the total. The calcium content is higher than that of ordinary cereals, and the content of potassium, iron, manganese, zinc, copper, selenium and other trace elements is also relatively high. Black beans are a type of alkaline food that is high in potassium, high in magnesium, and low in sodium. Eating black beans is helpful in maintaining the acid-base balance of body fluids.

In addition to the above-mentioned nutrients, black beans also contain soy saponins, daidzein, soy sterol, soy oligosaccharides and other substances beneficial to health. Therefore, eating black beans has the effect of increasing nutrients and protecting the body.

Of course, black beans also contain substances that are not good for health, such as protease inhibitors, which can inhibit the activities of trypsin, pepsin, chymotrypsin and other proteases in the human body, so the protein digestion and absorption of raw black beans is very low .

Modern nutrition research shows that black beans are rich in protein and have the characteristics of high protein and low calories. Black beans also contain a lot of fat, dietary fiber, and vitamins and minerals needed by the human body. The protein content in black beans can be as high as 40%, which is equivalent to 2 times that of meat, 3 times that of eggs, and 12 times that of milk. The amino acid composition of its protein is very similar to animal protein and is easily absorbed and digested by the human body. The fat content in black beans is higher, reaching 15.9%, and the fat absorption rate in black beans is also higher, reaching 95%, but the phosphoric acid in black beans can reduce blood cholesterol. Regular consumption of black beans can soften blood vessels and prevent high blood pressure, heart disease, liver and artery diseases.