Anthocyanins are a type of flavonoid, a class of compounds with antioxidant effects. Found naturally in a number of foods, anthocyanins are the pigments that give red, purple, and blue plants their rich coloring. In addition to acting as antioxidants and fighting free radicals, anthocyanins may offer anti-inflammatory, anti-viral, and anti-cancer benefits.
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In recent years, the Institute of Agricultural Sciences of China Academy of Agricultural Sciences and the Yangshuo High-yield Experimental Bureau of Datong County in Shanxi Province have collaborated on the study of newly-born poplar forests as kidney bean, which has been successful. The overall economic benefits have been significantly improved. In many areas in North China, farmers are accustomed to planting vine beans in the highlands. The specific approach is: sow sorghum in spring. When the plants grow to 1.2m or more, soy beans are sowed between every two or three rows of sorghum. The stalks are brackets, and the rims grow. After the sorghum harvests, the weather is cooler and the sunshine is getting shorter, which is very suitable for flowering and podging. Under this mode of interplanting, when the bean is sown late, “the impact on sorghum will be even smaller, but it must be ensured that between the first frost, the bean can be matured. The Chinese have more land and less land and must develop large areas of kidney bean production. Intercropping with major food crops is a good way.
Whether monoculture or intercropping, varieties with high yield, dwarf, consistent maturity, strong disease resistance, and high commodity value are more popular. Of course, interplanting kidney beans in the corn field can also use sprawl type varieties. For the purpose of producing vegetables in protected cultivation, sprawling varieties have greater potential for production, and they can also make full use of light and warm space.
Bean diseases such as anthrax are heavier, and in addition to planting disease-resistant varieties, it is also important to rotate frequently. The interval time is at least 3 to 4 years.
Recent research suggests that anthocyanins may also help fend off major health problems, including heart disease and cancer.
Anthocyanins may enhance heart health, anthocyanins appear to improve cholesterol levels and blood sugar metabolism, as well as fight oxidative stress.
2) Obesity
Preliminary research suggests that anthocyanins may protect against obesity.
3) Cancer
Anthocyanins may aid in the prevention of breast cancer, according to a laboratory study published in Phytotherapy Research in 2010.
Little knowledge: farming system of kidney bean
In the mountainous, semi-mountainous, hilly, and arid, semi-arid, infertile areas in the western and southwestern parts of China, kidney beans are mostly grown in monoculture, and the northwest region is planted only one season a year. In other areas with good water and fertilizer and fertility conditions, kidney beans are often mixed with other crops such as corn, sorghum, potatoes, cassava, coffee, intercropping, or interplanting. In the center of the origin of the bean, that is, Central America and the Andean region, the kidney beans are mixed with corn and mixed. After harvesting, a certain proportion (60% corn + 40% kidney beans) is used as a cooperative staple food. The area of ​​kidney beans planted in mixed forms accounts for 40% of all kidney beans in Mexico and 90% in Colombia. In China, intercropping between kidney beans and corn is also an important farming method. Two rows of beans are used between two rows or three rows of corn to increase the ventilation and light transmission in the fields and to improve the soil.