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Soy protein isolate is a highly refined form of soy protein that contains a minimum of 90% protein. It is derived from defatted soybeans, where the oil has been removed, and is processed to eliminate most of the carbohydrates and fats. This makes it a popular choice in various food and pharmaceutical applications due to its high protein content and functional properties such as emulsification and foaming. Soy protein isolate is often used in dietary supplements, protein bars, and as an ingredient in meat alternatives.
| Protein content | Minimum 90% |
| Form | Powder |
| Solubility | High solubility in water |
| Amino acid profile | Complete protein with all essential amino acids |
| Fat content | Typically less than 1% |
| Carbohydrate content | Typically less than 5% |
When selecting soy protein isolate, buyers should consider the protein content, solubility, and the specific applications intended. It's important to specify the desired amino acid profile and any necessary certifications, such as non-GMO or allergen-free status. Additionally, quantities should be clearly stated to ensure accurate pricing and availability.
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It is commonly used in dietary supplements, protein bars, and meat alternatives.
Yes, it is a plant-based protein source suitable for vegetarians and vegans.
Yes, it may contain allergens for those sensitive to soy.
It is made from defatted soybeans, where the oil is removed, followed by further processing to isolate the protein.
Soy protein isolate has a higher protein content (90%+) compared to soy protein concentrate (70-85%).
Yes, it can be used in baking to enhance protein content and improve texture.