The role of soy protein isolate

Soy protein isolate refers to a protein extracted from soybeans and has many important functions. This article will elaborate on the role of soy protein isolate in terms of nutritional value, food industry applications and health benefits.

1. Nutritional value

Soy protein isolate is rich in high-quality protein and contains a complete range of amino acids in appropriate proportions. It is a high-quality plant protein source. It can not only meet the body’s demand for protein, but also provide a variety of essential amino acids. Especially for vegetarians, soy protein isolate is an important source of protein supplement.

2. Food industry application

Soy protein isolate is widely used in the food industry. It can be used to make various plant protein drinks, soy products, vegetarian meat products, etc. Soy protein isolate has good solubility and gelatability, and can play the role of emulsification, stabilization, thickening, and viscosity enhancement in the food production process, improving the texture and taste of food. At the same time, soy protein isolate also has good moisture retention, which can delay the aging of food and extend its shelf life.

3. Health Benefits

 

A. Reduce blood lipids: The soy isoflavones in soy protein isolate are a type of phytoestrogens that have the effect of lowering blood lipids. Moderate intake of soy protein isolate can reduce total cholesterol and LDL cholesterol levels and help prevent cardiovascular disease.

B. Prevent breast cancer:The isoflavones in soy protein isolate can mimic the effects of estrogen and have a protective effect on breast tissue. Moderate intake of soy protein isolate can reduce the risk of breast cancer.

C. Antioxidant: The glycinin contained in soy protein isolate has strong antioxidant activity, which can scavenge free radicals in the body and reduce the damage caused by oxidative stress to the body.

D. Enhance immunity:Some polypeptides in soy protein isolate have the effect of enhancing immunity, which can improve the body’s resistance and prevent the occurrence of diseases.

E. Protect the liver:The soy saponin in soy protein isolate has a liver-protective effect, can reduce liver damage, and prevent the occurrence of fatty liver and liver fibrosis.

Soy protein isolate has rich nutritional value, wide range of food industry applications and multiple health benefits. Moderate intake of soy protein isolate can increase protein intake and promote a healthy diet. At the same time, soy protein isolate can also be used to make various foods to increase the nutritional value and taste of the food.

However, it should be noted that for some people, such as those who are allergic to soy or have hypothyroidism, they should eat in moderation and avoid excessive intake of soy protein isolate.