What is the role of soy protein in conditioning meat products?
With the change of lifestyle in recent years, the number of conditioned meat products is quietly increasing, ranging from a variety of semi-finished fried chicken nuggets, seasoned meat steaks and barbecue products, to the main products of convenience stores such as skewers and bentos. Through retail terminals, conditioned meat products are increasingly infiltrating into the household consumption of Chinese people, and gradually becoming popular in consumption.
Classification of Soy Protein
1. Soy flour
Most soybean flour is "defatted and deodorized soybean", which is cheap because of its low protein content. When used in meat products, it can keep twice its own weight in water, and soybean flour emulsion can keep the same weight of fatty substances without oil during thermal processing. Soy flour has poor functionality, has many shortcomings in taste and flavor, and is subject to many restrictions in the scope and amount of use.
2. Soy protein concentrate
The protein content of soybean protein concentrate is about 70%, most of which are used in meat products. The emulsified gel ratio of soybean protein concentrate is protein: water: fat = 1:4:3, which acts on meat products to improve the taste and structure, and increase the protein content of the product.
3. Soy protein isolate
Soybean protein isolate is a protein produced from low-temperature desolvated soybean meal. Among them, the protein content is more than 90%, there are nearly 20 kinds of amino acids, and it contains essential amino acids for human body. It is rich in nutrients and does not contain cholesterol, so it is widely used in prepared meat products.
4. Textured soybean protein
Textured soybean protein is a product made from defatted soybean powder, concentrated soybean protein or isolated soybean protein, etc., under mechanical and thermal effects such as stirring, extrusion, and puffing. Such proteins have a certain meat-like chew. Therefore, the application in conditioning meat has a special application, and can replace some lean meat raw materials.
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