Black beans mainly contain unsaturated fatty acids, and the absorption rate is as high as 95%. In addition to meeting the body's demand for fat, they also have the function of lowering blood cholesterol.
Black beans are rich in vitamins, egg yolk, melanin, lecithin and other substances, among which B vitamins and vitamin E are high in content, which have nutritional and health-care functions. Black beans are also rich in trace elements, which is very important to keep the body functional integrity, delay the aging of the body, reduce the blood viscosity and meet the brain's demand for trace elements.
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Distribution of Black Bean Resources in 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.
Baidu encyclopedia-black beans
Baidu Encyclopedia-Renqing Black Bean