SOY PROTEIN ISOLATE
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soy protein isolate
Soy protein isolate is the soy protein with the highest content of protein. Soy protein isolate is made from defatted soy meal. Most of the fats and carbohydrates have been removed, yielding a product with 90 percent soy protein.
Therefore, soy protein isolate has a very neutral flavour compared to other soy products. Because most of the soy carbohydrates are removed it will reduce gas caused by bacterial flatulence.
Use of soy protein isolate by food industry
Soy protein isolate is used in the food industry for both nutritional (increasing protein content) , sensorial (better mouthfeel, bland flavour) and functional reasons (for applications requiring emulsification, water and fat absorption and adhesive properties) .
Soy protein isolate is used in following food products:
energy and protein bars
weight loss ready-to-drink beverages
soups, sauces and prepared foods
ice cream, yogurt and other dairy or dairy-free products
processed meat, poultry and fish products
Nutritional and health benefits of soy protein isolate
Soy protein isolate is a complete vegetable protein. It contains all essential amino acids for growth and it is equal in quality to the protein in meat, milk and eggs. On the other hand soy protein isolate has a very low fat content. Soy protein isolate may reduce the risk of coronary heart disease. There are also indications that soy protein can help in the prevention of osteoporosis, some cancers and menopausal symptoms.
Use of soy protein isolate by consumers
You can use soy protein isolate in different ways. It can be added to your favourite juice, it can be added to milk shakes or smoothies, or it can be sprinkled on cereal to boost the protein content.
Availability of soy protein isolate
Pure soy protein isolate is difficult to find in stores and is mainly used by the food industry and less by consumers. Maybe you can find it in health stores or in the pharmacy section of the supermarket. Soy protein isolate is mainly found combined with other food ingredients; for example, soy protein shake powder is a mixture of soy protein isolate with flavours, minerals and vitamins.