Even compared to the most protein-containing meat – beef, soy wins in protein proportions. In beef, the content per kg is 145 g of protein and 135 g of fat. Accordingly, in 1 kg of soy seeds – 400 g of protein and 200 g of fat.
In addition to proteins, soybean contains important microelements and vitamins that form the basis of metabolic processes in the body. Of the most important – vitamins D, B, in a bioavailable form iron, potassium, calcium, fiber – for intestinal motility, vitamin E – an antioxidant, lecithins (participants in cell renewal), fatty acids – life prolongers, isoflavonoids – anticarcinogens.
Soy protein isolate – for whom it is useful
Athletes’ nutrition must be rich in good quality proteins for high performance training. If you refuse ordinary food cooked in vegetable oils by frying, grilling, the body cannot receive the proteins necessary for building muscle mass. Therefore, a source of healthy protein is needed, and positive reviews about soy protein isolate play an important role in choosing it. Soy in this regard is perfect as a sports nutrition, with a high protein-containing grain structure. Soy isolate, from which fat and carbohydrates are excluded, contains up to 90% protein.
Such a nutritional content of the diet is ideal for a sports diet for those who train, for the formation of a relief “dry” figure, for diabetics, vegetarians, and people with lactose allergy.
Composition of soy isolate
-The leading component of soy isolate is protein, the content of which reaches up to 90% of the whole seed. Fat in the isolate less than 1%, moisture and ash (minerals) less than 6-7%, fiber 0.05-4.00%.
-The amino acid composition of soy isolate is incomplete, as in any vegetable protein, but surpasses even animal protein in its biological value.
-Useful nutrients in the composition of soy protein isolate: iron, nickel, aluminum, iodine, boron, manganese, cobalt, molybdenum.
-Nutrients: magnesium, sodium, phosphorus, sulfur, potassium, calcium, silicon, polyunsaturated fatty acids, vitamins B, D, E.
Benefits of Isolated Soy Protein
-Isolate helps to reduce excess weight by saturating the body with proteins and nutrients, replacing unhealthy high-calorie daily snacks and dinner.
-Ideal as a sports nutrition for those who train in gyms.
-Thanks to its biochemical properties, soy protein contributes to a qualitative improvement in the functioning of the whole organism – the gastrointestinal tract, the nervous system, hematopoiesis, hormonal balance, and physical activity.
-Suitable for lactose intolerant (milk carbohydrate) people with lactose allergy.
-Soy isolate is an excellent nutrient for vegetarians.
How to take soy protein isolate?
Soy isolate is sold in sports nutrition stores in powder form, in large jars with a measuring spoon.
To prepare a drink from soy isolate, it is necessary to dissolve 30 g of powder in 250 ml of water, juice, skimmed milk or kefir. It is undesirable to dissolve the isolate in a hot liquid, otherwise the protein will curdle and the drink will lose its nutritional value. For the calorie content of the drink, you can add dried fruits – nuts, raisins, figs. How to take soy protein isolate? According to reviews, it is recommended to drink the drink up to 4 times a day – before training, physical activity and after it. Isolate is absorbed more slowly than whey protein drink, but faster than milk protein.
For those who are in a weight loss regime, judging by the unequivocal reviews, soy protein isolate can replace 1-2 meals, such as afternoon tea and dinner. You can make breakfast with a scoop of isolate, oatmeal, a glass of water, canned peaches, or pineapples.
If the purpose of isolate consumption is to replenish protein in the diet, then it is not recommended to replace meals with isolate. The isolate in this case is used as a valuable nutritional supplement. That’s what the reviews say.