Soy protein: the protein contained in soy products, the content is about 38% or more, which is 4 to 5 times that of cereals. Soy protein is a kind of plant protein.
Soy protein is a kind of plant protein, its amino acid composition is similar to that of milk protein. Except for methionine, which is slightly lower, the content of other essential amino acids is relatively rich. It is a complete plant protein. In terms of nutritional value, it can be equivalent to animal protein. In terms of genetic structure, it is also the closest to human amino acids, so it is the most nutritious plant protein. Soy protein has the incomparable advantages of animal protein. Although soy protein has very little methionine, it does not contain cholesterol. Its unique physiologically active substance-isoflavones has the effect of lowering cholesterol.
The food that the modern population needs should not only cause appetite, but also have no adverse side effects, and be rich in nutrients. Among the existing food groups, there is no other crop that meets the above-mentioned conditions and has abundant sources of raw materials than soybeans.
Drinks made with soy protein are hailed as “green milk” by nutritionists. Soy protein has a significant lowering effect on people with high cholesterol. The content of arginine in soy protein drinks is higher than that in milk, and the ratio of arginine to lysine is also reasonable; the lipid and linoleic acid are extremely rich and contain no cholesterol, which can prevent cardiovascular diseases in adulthood. Rich in lecithin, it can remove excess sterols from the blood, and is known as the “vascular scavenger”.
Soy protein drinks are easier to digest and absorb than milk. Milk is easy to form large and hard lumps after entering the stomach, while soy milk is formed into small flakes after entering the stomach, and it is soft and not hard, which can make it easier to digest and absorb.
This soy protein is an essential nutrient for everyone, but the daily dietary intake is largely insufficient, and it must be supplemented by eating protein powder, especially for certain special groups such as children, pregnant women, and the elderly.