Soy protein is a protein extracted from soybeans, with a reasonable amino acid composition, and is a high-quality source of plant protein. It is in powder form and widely used in food processing, which can improve the nutrition and quality of beverages, dairy products, meat products, etc. It is also used to make health products and animal feed.
Soy tissue protein is made from soy protein and processed to form a fibrous structure similar to meat. It looks similar to meat, has elasticity and chewiness, and is mainly used in plant-based meat products such as vegetarian ham, artificial steak, etc. It can simulate the taste of meat realistically. It is also used in baked goods and snack foods to improve product texture and create a unique taste.
Application areas of soy protein
1.Food sector
- Beverages:
Widely used in plant-based protein drinks, such as soy milk, almond milk, etc., they are the main source of protein. Adding soy protein to sports and energy drinks can help replenish the protein needed by the body after exercise, promoting muscle recovery and growth. In addition, adding soy protein to fruit juice drinks can increase the nutritional value of the product.
- Dairy product substitution:
partially replacing milk protein for the production of yogurt, cheese, and other products. This can not only reduce production costs, but also meet the needs of lactose intolerant individuals or vegetarians. For example, some plant-based yogurt products use soy protein as the main ingredient, paired with fruits, nuts, and other ingredients, resulting in a rich and nutritious taste.
- Meat processing:
In meat products such as ham sausage, lunch meat, Rice-meat dumplings, soybean protein is an important functional additive. It can improve the water retention of meat products, reduce the loss of meat juice, and make the products more juicy and tender. At the same time, soy protein can also enhance the gel, emulsification and elasticity of meat products, improve the slicing and stability of products, and extend the shelf life.
- Baked goods:
Adding soy protein to baked goods such as bread, cakes, and cookies can increase the protein content and nutritional value of the product. Soy protein can also improve the physical properties of dough, enhance its toughness and extensibility, allowing bread to maintain its shape better during fermentation and baking, expand its volume more, and form a soft texture and rich taste. In addition, the moisturizing properties of soy protein can also slow down the aging rate of bread and extend its shelf life.
- Snack foods:
Adding soy protein to snack foods such as potato chips, shrimp strips, and corn cobs can increase the protein content of the product and enhance its nutritional value. Soy protein can also improve the taste and brittleness of snack foods, making them more delicious and tasty. For example, some new potato chip products have added an appropriate amount of soy protein to traditional potato raw materials, which not only increases the protein content of potato chips, but also improves their taste and texture, making them more crispy and fragrant, and widely welcomed by consumers.
- Seasoning:
Adding soy protein to soy sauce, chicken essence, oyster sauce, seasoning sauce and other seasonings can enrich the nutritional content of the product, enhance its freshness and taste, and improve its quality and market competitiveness. For example, in the brewing process of soy sauce, adding an appropriate amount of soy protein can provide rich nutrients for the microorganisms in soy sauce, promote the growth and metabolism of microorganisms, and thus improve the fermentation efficiency and quality of soy sauce. At the same time, soy protein is broken down during the fermentation process to produce various amino acids and peptides, which not only have rich nutritional value, but also enhance the freshness and taste of soy sauce, making it more mellow and fragrant.
2.In the field of health products
- Protein supplements:
Soy protein is often made into various forms of protein supplements, such as protein powder, protein capsules, protein bars, etc., providing a convenient and fast way to supplement protein for those who cannot obtain enough protein from their daily diet. For example, vegetarians often find it difficult to obtain sufficient high-quality protein from their food due to dietary restrictions, while protein supplements made from soy protein can meet their protein needs. Athletes and fitness enthusiasts have an increased demand for protein after high-intensity training, and consuming soy protein supplements can help them quickly recover their energy, promote muscle growth and repair. Due to the decline in physical function, the ability of elderly people to digest and absorb protein will be weakened. Soy protein supplements, with their good solubility and digestion absorption rate, can provide high-quality protein that is easy to absorb for the elderly, meet their nutritional needs, and maintain physical health.
- Compound nutritional health products:
Soy protein can also be scientifically and reasonably combined with other nutrients such as vitamins, minerals, dietary fiber, probiotics, prebiotics, etc., to make compound nutritional health products with specific health functions. For example, a composite protein powder made by combining soy protein with antioxidant nutrients such as vitamin C, vitamin E, zinc, selenium, and immune regulatory factors can enhance the body's immunity and resistance, prevent the occurrence of diseases, and is suitable for people with weakened immunity to consume. A composite nutritional health product made by combining soy protein with dietary fiber, plant sterols, unsaturated fatty acids and other lipid-lowering ingredients can reduce the levels of cholesterol, triglycerides and other lipids in the blood, regulate blood lipid levels, prevent cardiovascular disease, and is suitable for people with high blood lipids. By combining soy protein with dietary fiber, chromium, zinc and other ingredients to regulate blood sugar, the compound nutritional health care product can reduce the glucose content in the blood, regulate the blood sugar level, prevent the occurrence of complications of diabetes, and is suitable for people with high blood sugar by improving insulin sensitivity, regulating sugar metabolism and other mechanisms. These composite nutritional health products, through the synergistic effect of multiple nutritional components, target the special needs and health problems of different consumer groups, play specific health functions, and provide consumers with more comprehensive and personalized nutritional health solutions.
3.Animal feed field
- Livestock and poultry feed:
Soy protein is an important source of protein in livestock and poultry feed such as pigs, chickens, ducks, geese, etc. It can partially or completely replace traditional protein feed materials such as fish meal and soybean meal, providing high-quality plant protein for livestock and poultry. Soy protein has a good amino acid composition and is rich in various essential amino acids required for the growth and development of livestock and poultry, which can meet the protein needs of livestock and poultry at different growth stages. Meanwhile, soy protein also has a high digestion and absorption rate, allowing livestock and poultry to fully absorb its nutrients after consumption, improve feed utilization, and reduce breeding costs. In addition, soybean protein also has good functions in livestock and poultry feed, such as improving the gel, emulsification and water retention properties of feed, improving the texture and taste of feed, and improving the feed intake and growth performance of livestock and poultry. For example, adding soy protein to piglet feed can meet the protein needs of piglets for rapid growth and development, while also reducing digestive problems such as diarrhea caused by consuming traditional protein feed materials, and improving the survival rate and growth performance of piglets. In the feed for growing and fattening pigs, the scientific and reasonable combination of soy protein and other feed materials can provide comprehensive and balanced nutrition for growing and fattening pigs, promote muscle growth and fat deposition, improve daily weight gain, feed conversion rate, and lean meat percentage, reduce breeding costs, and improve breeding economic benefits. In the feed for laying hens, soy protein is the main protein feed raw material, which can meet the nutritional needs of laying hens for protein, amino acids, vitamins, minerals and other nutrients during the egg laying period, promote the development and maturation of egg follicles, improve the egg laying rate, egg weight, eggshell quality and product quality of laying hens, reduce the mortality rate and feed egg ratio of laying hens, and improve the economic benefits of laying hen farming.
- Aquatic feed:
Soy protein can partially or completely replace traditional protein feed materials such as fish meal in aquatic feed such as fish, shrimp, and crab. Soy protein has a good amino acid composition and high digestion and absorption rate, which can meet the protein needs of aquatic animals at different growth stages, promote their growth and development, and improve their survival rate, growth rate, and disease resistance. At the same time, soybean protein also has good functions in aquatic feed, such as improving the gel, emulsification and water retention properties of feed, improving the texture and stability of feed, improving the suspension and water resistance of feed in water, reducing the loss and waste of feed, and reducing the breeding cost. For example, adding soy protein to fish feed can meet the protein needs of fish growth and development, while also reducing intestinal diseases caused by consuming traditional protein feed materials, and improving the survival rate and growth performance of fish. In shrimp feed, the scientific and reasonable combination of soy protein and other feed materials can meet the nutritional needs of shrimp growth and development for protein, amino acids, vitamins, minerals, and other nutrients, promote shrimp molting and growth, improve shrimp survival rate, growth rate, and disease resistance, reduce shrimp farming costs, and improve the economic benefits of shrimp farming.
- Pet feed and special animal feed:
Soy protein can be used as a high-quality source of plant protein in pet feed, providing comprehensive and balanced nutrition for pets, meeting their protein needs for growth, development, reproduction, production, and promoting healthy growth and improved productivity. At the same time, soy protein also has good palatability and digestibility, which can increase pets' feed intake and digestion utilization rate, reduce feed waste, and lower breeding costs. In the field of special animal feed, such as fur animals (foxes, minks, etc.) and medicinal animals (scorpions, centipedes, etc.), soy protein can be scientifically and reasonably combined with other feed materials according to their special nutritional needs and digestion characteristics, providing comprehensive and balanced nutrition for special animals, promoting their healthy growth and improving their production performance. For example, in fur animal feed, soy protein can meet the nutritional needs of fur animals for protein, amino acids, vitamins, and minerals for growth, development, molting, reproduction, etc., promoting healthy growth and improving production performance of fur animals, improving the amount of fur, and increasing the economic benefits of aquaculture. In medicinal animal feed, soy protein can provide comprehensive and balanced nutrition for medicinal animals based on their nutritional needs and digestive characteristics, promote healthy growth and improve production performance, ensure the quality and yield of medicinal animals, and increase the economic benefits of aquaculture.
Application fields of Textured Soy Protein
1.Plant based meat products
- Traditional meat mimicking products:
Soy tissue protein is the core ingredient in meat products such as vegetarian ham, vegetarian sausage, and vegetarian meatballs. Through processes such as blending, shaping, steaming, or frying, soy tissue protein forms a fibrous structure similar to meat, giving the product a good chewing sensation and elasticity, simulating the taste and texture of traditional meat products, and meeting the needs of vegetarians and consumers who have a demand for healthy eating.
- High end plant-based meat products:
Soy tissue protein also plays a key role in the field of high-end plant-based meat products such as artificial steak and meat patties. These products have extremely high requirements for quality and taste, and strict control is needed in the selection of raw materials, processing technology, and formula design of soy tissue protein during the production process. Through advanced processing technology and precise formula, soy tissue protein can form a fiber structure and texture that is very similar to traditional steak and meat patties, with good elasticity, toughness, and chewiness. At the same time, when combined with appropriate seasonings, spices, pigments, and functional ingredients such as dietary fiber and plant sterols, it can not only simulate the flavor and color of traditional meat products, but also improve the nutritional value and health benefits of the products, meeting consumers' demand for high-quality and healthy food.
2.Baking food
- Increase the toughness and chewiness of bread:
Adding soy tissue protein to bread making can significantly increase the toughness and chewiness of bread. The fibrous structure of soy tissue protein forms a three-dimensional network structure in bread dough, enhancing the elasticity and toughness of the dough. During the bread baking process, this structure is preserved, giving the bread a unique chewiness and texture. For example, European style bread such as baguettes and German alkali water bread can be made by adding an appropriate amount of soy tissue protein during the production process, which can make the outer layer of the bread more crispy, the internal tissue more compact and elastic, and the strong wheat aroma and unique chewing power can be felt when chewing, improving the quality and taste of the bread.
- Improve the texture of the cake:
Adding soy tissue protein in moderation during cake making can improve the texture of the cake. The water absorption and retention properties of soy tissue protein can help cakes retain moisture during baking, resulting in a more moist and soft texture. In addition, the fibrous structure of soy tissue protein can enhance the internal structure of the cake to a certain extent, making it more compact and elastic, improving the taste and quality of the cake. For example, adding an appropriate amount of soy protein during the production process of heavy oil cake or cheesecake can make the texture of the cake more delicate and soft, while also increasing the flavor and texture level of the cake, making it more delicious and tasty.
3.Leisure food
- Develop new protein rods:
Using soybean tissue protein as the main raw material, various new protein rods can be developed. Soy tissue protein has a high protein content and a meat like chewiness, which can provide rich nutrition and unique taste for protein bars. When making protein bars, soy tissue protein is mixed with nuts, dried fruits, grains, syrup and other raw materials, and then processed through molding, baking, packaging and other processes to produce protein bar products with different flavors and tastes. For example, chocolate nut flavored protein bars are made by mixing soy tissue protein with chocolate sauce, crushed nuts, oatmeal, and other raw materials. Through processes such as compression molding and low-temperature baking, the protein bars have a rich chocolate aroma and a crispy nutty texture. They are also rich in nutrients such as protein, dietary fiber, vitamins, and minerals, making them a delicious and healthy snack food.
- Making special soybean skin meat rolls:
By utilizing the characteristics of soybean tissue protein and soybean skin, special soybean skin meat rolls can be made. Soy tissue protein is processed through blending, steaming, and other techniques to give it a rich taste and flavor. Then, it is wrapped in soybean skin and processed through rolling, shaping, baking, or frying techniques to produce unique flavor and taste soybean skin meat roll products. For example, the spicy soybean skin meat roll is made by mixing soy tissue protein with seasonings such as chili powder, Sichuan pepper powder, cumin powder, salt, sugar, etc. After steaming, stirring and other processes, the soy tissue protein has a strong spicy flavor. Then, it is evenly applied to the soybean skin, processed by rolling, shaping and other processes. Finally, the soybean skin meat roll is baked in an oven or fried in oil until the surface is golden and crispy, making it a spicy and delicious soybean skin meat roll product with a crispy outer and tender inner taste. These specialty tofu skin and meat roll products not only have unique flavors and tastes, but are also rich in nutrients such as protein and dietary fiber. They are a delicious and healthy snack food that is loved and welcomed by consumers.
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