Soybeans are native to China and are now widely cultivated around the world. Soybean is one of the important food crops and has been cultivated for 5,000 years in the world.
Soybeans are most commonly used to make various soybean products, extract soybean oil, brew soy sauce and extract protein.
Soybean is very rich in nutrients, its protein content is higher than cereals and potatoes by 2.5 to 8 times, in addition to lower sugar, other nutrients are higher than cereals and potatoes, it is an ideal high-quality plant protein food.
Soybeans contain about 40% protein and 20% fat, while the protein content of chicken is 21%. Soybean protein contains a variety of amino acids, especially since the human body can not synthesize the essential amino acid composition that is more balanced.
Among them, lysine and tryptophan content is high, accounting for 6.05% and 1.22% respectively. The nutritional value of soybean is second only to meat, milk, and eggs.
Soybean has an important role in human health. Soy contains proteins, fats, and carbohydrates as well as carotenoids, vitamin B1, vitamin B2, niacin, etc. In addition, it also contains soy oligosaccharides, isoflavones, saponins, nucleic acids, and other health factors that are extremely valuable to human health.
Soy products made from soybeans or other legumes include two main types. One category is non-fermented soy products and the other is fermented soy products. The wide variety of soy products has a unique flavor and can be made into a variety of popular dishes. Eating more soy products is good for our bodies.
1. Prevention of osteoporosis.
Bone calcium in the form of inorganic salt distribution exists, and is the main component of the composition of human bones, the main cause of osteoporosis is the lack of calcium, soy products are rich in calcium and a certain amount of vitamin D, the combination of the two can effectively prevent degrees of osteoporosis.
2. Improve immunity.
The body is in different ages, and different physiological states and the demand for nutrition is also different. To improve the immunity of the body must first through a reasonable mix of dietary to obtain balanced nutrition, soy products are rich in lysine, unsaturated acids, starch sucrose, and a variety of vitamins and minerals.
3. Prevent constipation.
Constipation is caused by slowed intestinal peristalsis, prolonged retention of food residues in the intestine, and excessive absorption of water from the intestine. Soy products provide sufficient nutrients to the intestinal tract and have a positive effect on the prevention of intestinal diseases.
4. Prevention of cardiovascular diseases.
The risk factors of cardiovascular diseases are high-fat dietary obesity, high blood fat, high blood pressure, and so on. Soy sterols and unsaturated fatty acids contained in soy products have a better effect of fat removal, coupled with its very low calorie, and can reduce weight.
Soybean system beans by enzyme hydrolysis can produce the intake of obese middle-aged and elderly people to prevent cardiovascular disease and have a very good effect.
5. Weight loss.
The fat content of soy products is very low, and carbohydrates can only absorb half, obese people eat not only a sense of satiety and low calories than other foods, so it is conducive to weight loss.
6. Delay aging.
Soybean products are rich in estrogen, vitamin E, and phospholipids necessary for the brain and liver, for menopausal women to delay aging, and improve menopausal symptoms have obvious effects.
