News from CRIS: Trending - Soy Protein

May 4, 2021

What is soy protein?

Most people are familiar with the concept of soy and soy-based products such as soy milk, veggie burgers like the Impossible Burger™, tofu, etc. 
 
Manufacturers make soy proteins by hulling and defatting soybeans. Then, the defatted soy flakes are processedinto flours and grits, concentrates, and isolates (1, 2). 
 

What kinds of soy protein are there? 

Flours and grits

Flours and grits are the least refined soy flakes and typically contain less protein than concentrates or isolates, ranging from 40%-54% protein content. 
 
They have varying fat content, particle sizes, and textures so that manufacturers can use them in a wide variety of products (1, 2). 
 
Additionally, they retain more flavor than other soy protein types.

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