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Soy protein concentrate is about 70%/65% soy protein and is basically defatted soy flour without the water-soluble carbohydrates. It is made by removing part of the carbohydrates (soluble sugars) from dehulled and defatted soybeans.
Soy protein concentrate retains most of the fiber of the original soybean. It is widely used as a functional or nutritional ingredient in a wide variety of food products, mainly in baked foods, breakfast cereals, and in some meat products.
Soy protein concentrate is used in meat and poultry products to increase water and fat retention and to improve nutritional values (more protein, less fat). Soy protein concentrates are available in different forms: granules, flour and spray-dried. Because they are very digestible, they are well-suited for children, pregnant and lactating women, and the elderly. They are also used in pet foods, milk replacements for babies (human and livestock), and even used for some nonfood applications.
| ITEMS | Standard | Results |
|---|---|---|
| Appearance | light-yellow powder | light-yellow powder |
| Oder | No-mildew | No-mildew |
| Impurity | No foreign matters to the naked eye | Conforms |
| Crude protein (dry basis6.25)% | 90% min | 91.25% |
| NSI (Nitrogen soluble index)% | 80% min | 90.65% |
| Particle size(% pass 100 mesh) | 90% min | 98% |
| P H value | 7±0.5 | 7.40 |
| Moisture ( % ) | 7% max | 6.42% |
| Ash ( % ) | 6.0% max | ≤6.0% |
| Total plate count | 10,000/g max | ≤2,200 |
| E-coli | 30 MPN/100g max | <30 |
| Other pathogenic bacterium | Not detected | Not detected |
| Gel text(g/mm) | 2000g min | 2501.2/22.841 |
Soybean protein can promote the growth performance of piglets. Soybean protein can replace part of fish meal. The main reason is that the amino acids in soybean protein are more balanced and easy to be fully absorbed by piglets. In addition, soybean protein contains physiological active substances such as isoflavones and active peptides, which can promote the growth and development of piglets.
Soybean protein has high protein content and can be used as an important protein feed material in chicken feed. However, soybean protein contains a variety of anti-nutrition factors, which will seriously affect the digestion and absorption of chicken. By treating soy protein, it can decompose the anti-nutrient factors and improve the digestibility.
Adding methionine to soy protein isolate can effectively improve the growth performance of calves. The growth rate of calves can be improved by replacing 60% milk protein with hydrolysate of soy protein isolate.
After 20 days of age, lambs gradually adapt to milk replacer, improve digestion and absorption ability, and then reduce diarrhea and promote their growth. The lambs were fed with 60% soybean powder instead of milk powder treated with fermentation acidification heating, and the apparent digestibility of other substances except calcium and phosphorus was higher.
