1. Nutrition of black beans: per100g, it contains protein 36. 1g, fat 15.9g, dietary fiber 10.2g, carbohydrate 23.3g, calcium 224mg, magnesium 243mg and potassium/00g. Black beans are the most nutritious and healthy food in plants.
1. The content of protein in black beans is more than twice that of beef, chicken and pork, and 12 times that of milk, which is not only high in protein, but also of good quality. The amino acid composition of black bean protein is similar to animal protein, and it is rich in lysine, which is close to the proportion needed by human body and easy to digest and absorb.
2. Black bean fat contains more unsaturated fatty acids, has a low melting point, is easy to digest and absorb, and will not be deposited on the blood vessel wall. Its biggest feature is that it contains phytosterol, which is not only absorbed by human body, but also inhibits the absorption of cholesterol. Therefore, black beans are ideal health care products for middle-aged and elderly people with arteriosclerosis.
3. The calcium rich in black beans is an excellent source of calcium for human body.
4. Potassium in black beans can maintain the osmotic pressure inside and outside cells and the acid-base balance of human body, which can eliminate excess sodium in human body, thus effectively preventing and reducing hypertension.
5. Iron in black beans can prevent iron deficiency anemia, and iodine can prevent goiter.
6. Molybdenum in black beans can inhibit the synthesis of nitrosamines, a strong carcinogen in human body.
7. Isoflavone in black beans is a phytoestrogen, which can effectively inhibit breast cancer, prostate cancer and colon cancer, and is also very helpful for the prevention and treatment of osteoporosis in middle-aged and elderly people.
8. The bean skin and bean dregs of black beans contain cellulose, hemicellulose and other substances, which can prevent constipation and enhance gastrointestinal function.
9. The glycemic index of black beans is very low, only 18, while the staple food of China people, rice and wheat steamed bread, is as high as 88, nearly five times that of black beans. Therefore, black beans are very suitable for diabetics, people with abnormal glucose tolerance and people who want to control blood sugar.
Second, modern scientific research.
Black beans are rich in the mixture of isoflavones and flavonoids, a lot of dietary fiber and unsaturated fatty acids, especially the black seed coat contains a variety of pigments and saponins and unique active substances, which has great potential in the development of black food.
1. Black beans contain saponins, fuel lignans and other substances.
It has strong effects of relieving exterior syndrome, clearing away heat and nourishing. 2. Black soybean oil contains 19 kinds of oils, with unsaturated acid content of 80% and absorption rate of more than 95%, which can not only meet the demand of human body for fat, but also reduce blood cholesterol. Can be used for preventing atherosclerosis, gastric and intestinal ulcers, enteritis and dermatoses.
3. Active substances extracted from black beans, such as lecithin, soybean isoflavone and saponin,
Can be used for preventing and treating cardiovascular diseases, hypertension and cancer. 4. Black bean food has the functions of scavenging free radicals, delaying aging, improving nutritional anemia, enhancing immunity, improving sexual function and resisting stress.
Black beans are high in protein and iron, so many people like to use them to make various foods, such as black bean milk and black bean wine.
6. According to the clinical trials of Japanese scientists, black beans have the effect of lowering blood pressure. Chinese medicine also believes that "black beans detoxify and tonify the kidney" has the effects of diuresis, treating colds, promoting blood circulation and detoxifying.
7. It is listed as the best source of isoflavones. The contents of black beans and soybeans are about 1 18.5 mg, and the soybean flour is 148.6 mg. Other bean products, peanuts and green tea also contain a certain amount. The most direct effect of isoflavones is to improve menopausal symptoms, such as palpitations, night sweats and insomnia. In particular, it can promote the absorption of calcium and improve the symptoms of osteoporosis.
8. At present, the very popular black bean coffee is to mix black beans and coffee powder at a ratio of 3: 1.
It is very effective for headache, shoulder pain, weight loss and blood pressure reduction, and there are even black bean sausages, black bean milk ice cream, black bean noodles and black bean yogurt. 9. Black bean leaves contain folic acid, folic acid, riboflavin, vitamin A and carotenoids.
10, black bean skin contains pectin, levulinic acid and various sugars.
1 1. Scientific research shows that black beans have the characteristics of high protein and low calorie, and their protein content is as high as 36%-40%, which is twice that of meat, three times that of eggs and 12 times that of milk. It is rich in 18 amino acids, especially 8 amino acids necessary for human body, which is higher than the high protein standard stipulated by FDA.
12. Black beans basically contain no cholesterol, only phytosterol, which is not absorbed and utilized by human body, but can inhibit the absorption of cholesterol by human body and reduce the cholesterol content in blood. Therefore, eating black beans often can soften blood vessels, moisturize skin and delay aging, especially for hypertension, heart disease, liver and arterial diseases.
Black beans contain oil 15%, mainly unsaturated fatty acids, which can promote cholesterol metabolism, reduce blood lipid and prevent cardiovascular diseases. It can inhibit the oxidation rate of low density lipoprotein in blood, effectively reduce the concentration of triglyceride and reduce the threat of cardiovascular disease. Moreover, whether healthy people or patients with atherosclerosis, black beans have shown the effect of lowering blood lipid.
Black beans contain oil 15%, mainly unsaturated fatty acids, which can promote cholesterol metabolism, reduce blood lipid and prevent cardiovascular diseases. It can inhibit the oxidation rate of low density lipoprotein in blood, effectively reduce the concentration of triglyceride and reduce the threat of cardiovascular disease. Moreover, whether healthy people or patients with atherosclerosis, black beans have shown the effect of lowering blood lipid.