Soybeans are a pretty good source of protein. They're not as good as meat or eggs, but better than most other plant proteins. However, 

processing soy at a high temperature can denature some of the proteins and reduce their quality. The fatty acids in soybeans are mostly Omega-6 polyunsaturated fats

It is a very good source of protein, B vitamins and minerals. Tofu – also known as bean curd is made from soya milk by coagulating the soya proteins with calcium ormagnesium salts. The whey is discarded and the curds are processed. It is an excellent source of iron and calcium and a very good source of protein.

Protein. Most soy protein is a relatively heat-stable storage protein.

 This heat stability enables soy food products requiring high temperature

 cooking, such as tofu, soy milk and textured vegetable protein (soy flour) to be made.

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