Soybean is globally important product, providing oil and protein. In the United States, the bulk of the harvest is solvent-extracted with hexane, and the "toasted" defatted soymeal (50% protein) then makes possible the raising of farm animals (e.g. chicken, hog, turkey) on a large industrial scale.
Soybean products are used in a large variety of processed foods. Traditional unfermented food use of soybeans include soy milk, from which tofu and tofu skin are made. Fermented soy foods include soy sauce, fermented bean paste, nattō, and tempeh. Fat-free (defatted) soybean meal is a significant and cheap source of protein for animal feed and many packaged meals.
| food grade | feed grade | |
|---|---|---|
| moisture % | 13 | 13 |
| protein % | 40-45 | 36-40 |
| oil % | 18-22 | 17-22 |
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Soybean
Soybean meal
Soybean oil