Hairy beans are actually soybeans, but they are soybeans when they are fresh.
When soybeans get old, they turn yellow in color and are called soybeans. Fresh beans are generally used to make cold beans, old soybean then generally will be boiled soup or polished soybean milk, although the appearance of the above is not the same, but belong to a kind of beans, only the respective period of time is not the same. If the beans are not picked down, and then grow a month to two months time, that time will become yellow beans.
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Nutritional value of soybeans
1, the protein content of soybeans is very high. Protein content is very high, it contains protein 40% or so, in quantity and quality can be compared with animal protein, 500 grams of soybean protein content equivalent to 1,500 grams of eggs or 6,000 grams of milk or 1,000 grams of lean pork, so soybeans have a "plant meat" and "green milk cow "reputation.
2, soy protein contains essential amino acids, which is closer to the ratio of amino acids needed by the body, so it is easy to be digested and absorbed. Especially rich in lysine, just to supplement the cereal lysine deficiency defects, and the lack of soybean methionine can be supplemented by cereals.
3, soybean fat content of 18 to 20%, accounting for the first in the beans, superior to animal fats is less cholesterol, and rich in linoleic acid and linoleic acid, this kind of unsaturated fatty acids so that soybeans have a role in lowering cholesterol, and its lecithin is also more important to the development of the nervous system.
4, soybean potassium, sodium and other inorganic salts, some essential trace elements and isoflavones of soybean flavonoid glycosides, dye family wood glycosides and soybean saponins. Dry soybean does not contain vitamin C, but after germination can produce vitamin C, in the vegetable off-season can be supplemented with food. Also contains vitamins A, B, D, E and calcium, phosphorus, iron and other minerals.
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