1. What is oat beta glucan?
In oat food, the effective ingredients that play a role in health care are β- Dextran. In oat food, the effective ingredients that play a role in health care are β- Dextran. In Oats β- (1 → 3, 1 → 4) glucan (oat for short) β- Glucan is a non starch Polysaccharide existing in the cell wall of oat endosperm and aleurone layer. In the cell wall components of oat endosperm and aleurone layer, β- Glucan accounts for more than 85%. oats β- Glucan is a short chain glucan with small relative molecular weight, and its relative molecular weight varies from 5300 to 257200.
2.oats β- Extraction process of dextran
Oatmeal glue is oatmeal β- The existing form of glucan after extraction, which also contains a small amount of starch and protein. because β- Glucan is an important component of oat endosperm cell wall, so it is often extracted from oat bran. β- The extraction process of glucan generally includes three steps: ① treating some endogenous enzymes with ethanol solution and removing small molecules of free sugars, proteins and some non-polar compounds; ② With thermal stability α- Amylase treatment can degrade starch simultaneously with the extraction of non starch polysaccharides; ③ Adding ammonium sulfate to the extracted β- Preliminary purification of dextran or enzymatic removal and degradation of arabinoxylan.
3. The effect of Oat Beta Glucan
(1)Oat food can reduce blood lipids and serum cholesterol, and has important effects on the prevention and treatment of cardiovascular and cerebrovascular diseases and diabetes.
(2)β- Glucan can reduce the absorption of fat and cholesterol in the small intestine, thus reducing serum cholesterol;
(3)β- Glucan can reduce the absorption of carbohydrates in the small intestine, reduce the concentration of plasma insulin, and thus weaken the stimulation of cholesterol and lipoprotein synthesis;
(4)β- Glucan combines with bile acid in the small intestine, increases the excretion and synthesis of bile acid, and accelerates the conversion of cholesterol to bile acid;
(5)β- Glucan produced short chain fatty acids through microbial fermentation and degradation in colon, which inhibited the synthesis of cholesterol.
4.The function of Oat Beta Glucan
(1)Lower cholesterol
Bata glucan can reduce the absorption rate of fatty acids in intestines and stomach, reduce the synthesis of human cholesterol, and significantly reduce cholesterol in hyperlipidemic people.
(2)Hypoglycemic
Oat glucan can reduce blood glucose by reducing blood lipid content, improving blood flow performance, and accelerating the transport speed and efficiency of carbohydrate components in the process of absorption and utilization
(3)develop immunity from disease
Oat glucan is degraded in the large intestine and used as a substrate for bacterial fermentation to produce short chain fatty acids, especially butyric acid, which is beneficial to intestinal function.
(4)Cosmetic efficacy
People have long known how to use oats to treat dry and itchy skin. The method of use is to directly apply oats into a paste on the skin. oats β- Glucan has excellent anti-aging effect, can smooth small wrinkles, improve skin elasticity, and improve skin texture; Promote fibroblasts to synthesize collagen, promote wound healing, and repair damaged skin.
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