Organic Sunflower Seed protein is also known as sunflower protein. It is a protein product that uses defatted sunflower seed cake as raw material and removes the shell and phenolic acid compounds such as chlorogenic acid and caffeic acid. The main component is globulin (about 70% to 79%), followed by albumin and a small amount of gluten and gliadin. In the amino acid composition, the content of lysine is low, while the content of other essential amino acids is high.

Protein Composition

The organic sunflower seed kernels contain 21% to 30% protein, and sunflower seed cakes after oil extraction generally contain more than 50% protein. The protein content of sunflower seeds is 55% to 60% of globulin, 17% to 23% of albumin, 1% to 4% of gliadin, and 11% to 17% of gluten. The combined non-protein nitrogen and insoluble residues are less than 11% of the total nitrogen content. The solubility of organic sunflower seed protein in aqueous solution, salt solution and ethanol solution is 20%, 50%-60% and 3% respectively. Using gel chromatography, ultrafiltration, electrophoresis, etc., it was qualitatively found that the molecular weight of sunflower seed protein ranges from 10 to 450kDa, the molecular weight of the main component is 125kDa, and the average molecular weight is 180kDa. It contains 6 to 7 protein components. Research has found that sunflower seed protein is mainly composed of two components, 7-8S and 11-12S. The isoelectric point of sunflower seed protein is pH 4.0.

Nutrition Characteristics

The chemical composition of sunflower seeds will vary depending on the variety and growing environment. Sunflower seed kernels usually have a fat content of 40% to 68%, a protein content of 21% to 30%, a carbohydrate content of 2.0% to 6.5%, a crude fiber content of 6.0%, and an ash content of 3.2% to 3.2%. 5.4%. Sunflower seed cake after oil extraction generally contains 29% to 43% crude protein, 4% to 15% crude fat, 7% to 23% cellulose, 3% to 19% moisture, and 7% to 10% ash.

In the amino acid composition of sunflower seed protein, the lysine content is higher than that of cereal protein, but slightly lower than that of soy protein and animal protein. The other various amino acids have a good balance. Comparing its amino acid composition with the FAO value, except for lysine content, the contents of other essential amino acids are higher than or similar to the FAO value, so lysine is the first limiting amino acid in sunflower seeds. Although the lysine content is low, its effective lysine content can be as high as 90%. Sunflower seed protein is rich in sulfur-containing amino acids such as methionine. Compared with most plant proteins, sunflower seed protein has good digestibility (90%) and high biological value (60%).

Physiological Property

Orangic sunflower seed protein has good water absorption, oil absorption, emulsification and foaming properties. Sunflower seed powder can absorb 170% of water and 208% of oil, and its oil absorption is higher than soybean protein. Sunflower seed protein concentrate and isolate have foaming and stirring properties similar to fresh egg whites.

Nutrients per Serving

Application

①For general food use.

After steaming 1% to 2% defatted sunflower seed protein powder with moist heat for 1 hour, it can be added to bread and other foods to enhance nutrition and make up for the lack of essential amino acids in the flour. It can also increase the elasticity of the bread crumbs and prevent flour from forming. Effects of medium starch aging.

②Good additive for baby food.

Sunflower seed protein has lower lysine content and higher methionine content than soybean protein. Combining sunflower seed protein with soybean protein and adding it to infant food can enhance nutrition.

③Additives in meat products.

Adding sunflower seed protein to meat products such as sausages has low shrinkage during smoking, which not only prevents oil separation and reduces weight loss, but also increases the tenderness of the sausages and makes the products more palatable. Adding sunflower seed textured protein (30%) to the fillings of pies, steamed buns, dumplings and other foods instead of pork can not only reduce animal fat and cholesterol content in foods, but also reduce costs.

④Make drinks such as artificial milk.

Organic Sunflower seed Protein has a soft smell and no beany or other odor. It is a good raw material for high-end beverages and artificial milk. The sunflower seed protein concentrate is heat-treated at 80°C and mechanically stirred before adding an emulsifier to form an emulsion containing 3% protein. Mix it with milk in a ratio of 1:1 to obtain a product with better flavor and color. mixed milk.

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4. Professional laboratories provide you with various tests.

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