Black beans contain antitrypsin, which will affect the decomposition of protein. Only at high temperature can antitrypsin be destroyed. So black beans must be cooked when they are eaten.
And black beans are not easy to digest. Crude fiber in the cell wall of cooked black beans will be softened, so that protein can fully contact with digestive enzymes, which is beneficial to digestion. Black beans contain saponin, which is easy to stimulate the gastrointestinal tract. After high-temperature cooking, saponin will be destroyed, thus protecting the gastrointestinal tract.
Extended data:
Black beans have the following main functions:
First, enhance immunity. Black beans are rich in plant protein, and protein is an essential substance for human body, which can form antibodies against diseases. Insufficient intake of protein will lead to insufficient antibody synthesis, resulting in decreased immunity and easy fatigue. Eating more black beans can enhance immunity.
Second, anti-oxidation. According to Xinhua. com, black food contains anthocyanins, which has a strong antioxidant effect, can remove active oxygen from the human body, and has the functions of blackening hair, caring skin, anti-aging, regulating human physiological functions, promoting gastrointestinal digestion and enhancing hematopoietic function.
Third, lower cholesterol. "Science and Technology Daily" pointed out that black beans are rich in black bean saponins and black bean pigments, which have antioxidant effects and can prevent skin aging. In addition, black beans contain flavonoids, which often have the effect of blackening hair and delaying aging.
Source of reference: People's Daily Online-Tell you about the "king of beans"-Black beans.