The effect of rice protein powder

The effect of rice protein powder:

1. Nutritional value

The quality of rice protein is recognized as the best in gluten protein. It is rich in essential amino acids. The content of the first limiting amino acid lysine is higher than that of other gluten proteins, and the amino acid composition pattern is similar to that recommended by WTO/FAO, and it is easy to digest and absorb by the human body. 

Compared with other cereal proteins, rice protein has a higher biological value (BV) and protein utilization rate (PER). The biological value can be as high as 77, and the protein utilization rate is 1.36%~2.56%, ranking first among all kinds of grains. 

The quality of rice protein is better than wheat protein and corn protein, contains high-quality lysine, and has low allergenicity, making rice protein very suitable for the development of food for infants and young children. The amino acid composition pattern of rice protein is better than casein and soy protein isolate, which can meet the amino acid needs of children aged 2 to 5 years.

In addition, rice protein can be processed into soy sauce, high protein powder, protein beverage, peptone and protein foaming powder, etc. If it is degraded into short peptides or amino acids, it can be made into an amino acid nutrient solution with extremely high nutritional value for health drinks, Condiments, food additives, etc.

2. Health function

2.1 The effect of antihypertensive and cholesterol-lowering rice protein isolate on the expression of cyp4a and cyp2c in the kidney of young rats can improve the metabolism of arachidonic acid and can be used as an antihypertensive component. Studies have found that rice protein isolate can increase the amount of messenger ribonucleic acid (mRNAs). RNAs are responsible for the synthesis of two important proteins cyp2c11 and cyp2c23 in the kidney. These two proteins play a significant role in the metabolism of arachidonic acid and hydroxyeicosatetraenoic acid. Important role, and hydroxyeicosatetraenoic acid is very important in regulating blood pressure. Clinical studies have found that rice protein isolate can lower cholesterol. Rice contains many chemical substances related to its protein composition, including tocopherol derivatives, tocotrienols and oryzanol, which have a certain effect on lowering cholesterol.

2.2 Prevention of chronic diseases. A reasonable nutritional diet can prevent some diseases, such as heart disease and cancer. Asians are less likely to suffer from heart disease than Europeans, which may be related to the fact that Asians rely on rice as their staple food. Related studies have found that rice protein isolate has a certain inhibitory effect on atherosclerosis in a mouse model of hereditary high cholesterol, and can reduce the damage of atherosclerosis to arteries. The mechanism of action is not clear; experiments also show that eating rice can reduce atherosclerosis. Heart disease incidence.

2.3 Anti-cancer

The research results of rice protein isolate (RPI) by Molita et al. showed that dimethylbenzanthracene (DMBA) fed with rice protein isolate induces lower tumor weight in female mice than mice fed with casein, and rice protein isolate has anti-DMBA induction Carcinogenesis. In addition, rice protein isolate has a daily preventive effect on breast cancer caused by chemical induction in rats. Rice protein functional protein has physical and chemical properties in the process of food processing, cooking, storage and sales, and physical and chemical properties under the action of environmental factors, collectively referred to as protein functionality. These physical and chemical properties often refer to protein water retention, foaming, emulsification, and cohesiveness. The properties of gel, fiber, and film formation are also considered to be the reflection of the functional properties of the protein, which are affected by other coexistents in the protein composition, such as water, It has physicochemical properties under the influence of salt, sugar, fat, flavors, etc.