Functional properties and application areas of soybean isolate protein

Views: 0     Author: Site Editor     Publish Time: 2022-11-14      Origin: Site

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Functional properties and application areas of soybean isolate protein

Soy protein isolate is a kind of full-valued protein food additive produced by low-temperature desolubilized soybean meal as raw material. The protein content of soy protein isolate is over 90%, and there are nearly 20 kinds of amino acids, and it contains essential amino acids. It is rich in nutrients and does not contain cholesterol, and is one of the few varieties of vegetable protein that can replace animal protein.



Here is the content list:

  • Soybean protein isolate functional properties

  • Applications



Soybean protein isolate functional properties

1. Emulsification

Soy protein isolate is a surfactant, which can reduce the surface tension of water and oil as well as that of water and air. It is easy to form stable emulsions. In the production of baked goods, frozen foods, and soups, the addition of soybean protein isolate as an emulsifier can make products in a stable state.


2. Hydration

Soy protein isolate along its peptide chain backbone contains many polar groups, so it has water absorption, water retention, and swelling, the water absorption of isolate protein is much stronger than concentrated protein and almost unaffected by temperature, isolate protein in processing and the ability to maintain water, the highest water retention capacity of 14g water / g protein.


3. Oil absorption

Separate protein added to meat products, can form emulsion and gel matrix to prevent fat from the surface, and thus play a role in promoting fat absorption or fat combination, can reduce the loss of fat and juice during the processing of meat products, and help maintain the stability of the shape, the o il absorption rate of isolate protein is 154%.


4. Reliability

It makes the isolated protein have high viscosity, plasticity, and elasticity, which can be used as a carrier of water, as well as a carrier of flavoring agent, sugar, and other compounds, which is extremely beneficial to food processing.


5. Foaminess

Soy protein, isolated protein foaming performance is the best, the use of soy protein foaming can give the food a loose structure and good taste.


6. Conjugation property

When the meat is chopped, a mixture of isolated protein and egg protein is applied to its fiber surface to form a film, which is easy to dry and can prevent odor dispersion, facilitate the rehydration process, and provide a reasonable structure to the rehydrated product.




Application areas

1. Food: soybean protein isolate used for dairy food, meat food, baked food, pasta food, seasoned food, etc.

2. Industrial manufacturing: petroleum industry, manufacturing industry, agricultural products, storage batteries, precision castings, etc.

3. Tobacco products: they can replace glycerin as a flavoring and antifreeze moisturizer of tobacco.

4. Cosmetics: facial cleanser, beauty cream, make-up, shampoo, mask, etc.

5. Feed pet cans, animal feed, aquatic feed, and vitamin feed.



If you are interested in soy protein isolate or want to buy soy protein isolate. Our official website is www.jysunway.com. You can communicate with us on the website. We look forward to serving you.