2. The content of lecithin in black beans is high, and unsaturated fatty acids can also be converted into lecithin in human body, which is the main component of brain nerve formation. The minerals such as calcium, phosphorus and iron contained in it also have the functions of preventing brain aging, strengthening brain and improving intelligence.
3. Black beans can prevent osteoporosis, because isoflavones in black beans are phytoestrogens, which can effectively inhibit breast cancer, prostate cancer and colon cancer.
Extended data:
Black beans are produced all over China. China is rich in black bean resources and has a wide variety, and some rare black bean varieties are still used in production. For example, Jiangsu Taixing black bean is an early-maturing spring soybean in the Yangtze River basin, with early maturity, high yield and strong adaptability, and it is still the control variety of the southern early-maturing spring soybean group in the national soybean regional test. Dandong medicinal black bean is Qing Zi leaf black bean, with large grain, excellent variety and high nutritional value.
The fragrant black broad beans next door to Jintan, Jiangsu Province are large and weigh more than 30 grams. They are very precious big black beans. Scientific research units have also bred some high-yield and high-quality black bean varieties, such as Shandong Luhou No.2, with an yield of more than 250 kilograms per mu, which are resistant to lodging, soybean mosaic virus and cyst nematode disease. Zhangjiakou black bean is a special variety with high isoflavone content, which can be used as an excellent raw material for extracting isoflavones. As we all know, Beijing black bean is an excellent antigen against cyst nematode.
Baidu encyclopedia-black beans