Tremella is rich in nutrients and delicious in taste, and is an edible fungus with high nutritional value. With the rapid development of Tremella cultivation, researchers have gradually deepened the research on the nutritional components of Tremella and its role in health care. Tremella polysaccharide is an important active component of Tremella, and its function has attracted more and more attention.
Function of Tremella Polysaccharides
1. Processing characteristics in food production
Tremella polysaccharides contain more homogeneous polysaccharides (about 70-75% of the total polysaccharides), which can increase solution viscosity and stabilize emulsification. Therefore, it is used in the processing of beverages, dairy products and cold food products, which can not only endow the food with good processing characteristics, but also reduce the use of synthetic additives and improve the nutritional value of the food.
2. The efficacy of health care medicine
The composition of Tremella polysaccharides is diverse, not only in monomers, but also in configurations and conformations after forming multimers: multiple polysaccharides are mixed together to make their biological activities diverse. Modern research has fully confirmed that Tremella polysaccharides have various health care functions, which are summarized as follows:
(1) Immune regulation and anti-tumor effects
Over the years, scientists have found that Tremella polysaccharides are involved in the regulation of various life phenomena of cells, such as the transmission and perception of information between immune cells, activation of immune cells, and improvement of the body's immune function. Through this participation, Tremella polysaccharide can not only play an anti-tumor effect by enhancing the immune function of the host, but also directly kill tumor cells by directly acting on tumor cells or inducing tumor cell apoptosis.
(2) Hypoglycemic and hypolipidemic effects
Studies have shown that Tremella polysaccharides can regulate the activity of glucose metabolism enzymes, promote insulin secretion from pancreatic islets, inhibit gluconeogenesis, and promote the utilization of glucose by peripheral tissues, thereby achieving the effect of lowering blood sugar. Tremella polysaccharide can promote the elimination of cholesterol by binding and adsorbing lipids in the blood, blocking its circulation in the liver and intestines, and achieving the effect of reducing blood lipids.
(3) Prevention and treatment of cardiovascular disease
Studies have shown that Tremella polysaccharide can significantly prolong the formation time of thrombus, reduce platelet attachment rate and blood density, and achieve the effect of preventing and treating cardiovascular diseases.
(4) Anti-ulcer effect
Tremella polysaccharide can significantly inhibit the formation of stress-type gastric ulcer in rats, promote the healing of acetic acid-type gastric ulcer, and has no effect on gastric acid secretion and pepsin activity. The curative effect of tremella polysaccharide in the treatment of 124 cases of duodenal ulcer was observed, the recent effective rate was 98.6%, and the short-term healing rate was 79.03%.
(5) Anticoagulant, promote wound healing
Tremella polysaccharide can achieve anticoagulant effect by affecting the endogenous coagulation system and prolonging the partial thrombin time. In addition, Tremella polysaccharide has the effect of protecting the wound surface and preventing infection on the wound of the tested rats, and can make the wound proceed smoothly along the physiological repair pathway.
Application and Development of Tremella Polysaccharide in Food
Tremella polysaccharide, as a biologically active macromolecular substance, is widely used in food and can be used as food fortifier, anticoagulant, emulsifier, thickener, etc. For example, the instant white fungus red jujube soup developed with the good rehydration of Tremella polysaccharide, instant white fungus milk powder, instant white fungus bean milk powder and instant white fungus oatmeal; Biscuits, Tremella yogurt and Tremella jelly and other products. These products are all made of Tremella polysaccharide as raw material, and have certain health care functions made by special technology and processing methods.

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