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Flavonoids are used to prevent and treat cardiovascular and cerebrovascular diseases, such as reducing the fragility of blood vessels, improving vascular permeability, lowering blood lipids and cholesterol, preventing and treating elderly hypertension, cerebral hemorrhage, coronary heart disease, angina pectoris, dilating coronary blood vessels, and increasing coronary flow . Many flavonoids have anti-cough, expectorant, anti-asthmatic and antibacterial activities, as well as liver protection, liver detoxification, anti-fungal, treatment of acute and chronic hepatitis, liver cirrhosis, and anti-free radical and antioxidant effects.
Dihydromyricetin has a variety of unique effects such as scavenging free radicals, anti-oxidation, anti-thrombosis, anti-tumor, anti-inflammatory, etc.; and dihydromyricetin is a relatively special kind of flavonoids, in addition to the general characteristics of flavonoids, It also has the functions of relieving alcoholism, preventing alcoholic liver and fatty liver, inhibiting the deterioration of liver cells, and reducing the incidence of liver cancer. It is a good product to protect the liver and liver, hangover and sober up.
Antibacterial effect
Pharmacological experiments showed that dihydromyricetin had antibacterial effects on Bacillus subtilis, Bai Staphylococcus aureus, Salmonella, Escherichia coli, aerogenic bacteria, beer yeast, Rhodotorula glutinosa, Penicillium, Aspergillus niger, Aspergillus flavus, Mucor and Rhizopus, especially on Gram-positive, gram-negative cocci or bacilli.
Regulating effect on blood glucose and blood lipid
The pharmacological experiment of mice by gavage showed that dihydromyricetin could significantly inhibit the increase of blood glucose induced by alloxan, adrenaline and streptozotocin, increase the level of serum insulin, significantly reduce lymphocyte infiltration in pancreatic tissue, significantly reduce inflammatory reaction and significantly increase the number of islets.
Dihydromyricetin can reduce the content of serum triacylglycerol (TG) in streptozotocin induced hyperglycemia rats, but has no significant effect on the content of serum total cholesterol and high density lipoprotein cholesterol (HDL2C).
Liver protection
Dihydromyricetin has significant protective effects on carbon tetrachloride toxic injury of rat hepatocytes in vitro and D2 galactosamine and lipopolysaccharide induced liver injury in mice. Dihydromyricetin can protect the liver, accelerate the rapid decomposition of ethanol metabolite acetaldehyde, turn into non-toxic substances and reduce its damage to hepatocytes.
In addition, dihydromyricetin can improve the increase of serum lactate dehydrogenase activity caused by hepatocyte injury, inhibit the formation of collagen fibers of hepatic M cells, protect the liver, greatly reduce the damage of ethanol to the liver, and quickly recover the normal state of the liver.
Microherb test shows that dihydromyricetin can protect the liver, accelerate the rapid decomposition of ethanol metabolite acetaldehyde, turn into non-toxic substances and reduce the damage to hepatocytes. Dihydromyricetin takes effect quickly and has a long-lasting effect. It is a good product for protecting the liver, relieving alcohol and sobering up.
Antioxidation
Dihydromyricetin with purity of 98% can significantly inhibit the production of malondialdehyde (MDA) in rat myocardial, liver and brain homogenates, and the inhibition of MDA increases with the increase of Dihydromyricetin concentration. Dihydromyricetin with content of 99% can scavenge diphenyltrinitrophenylhydrazine (DPPH) free radical in the experimental system.
Dihydromyricetin could significantly inhibit the production of MDA in oil, and the antioxidant effect increased with the increase of Dihydromyricetin purity (60% ~ 90%); It has strong antioxidant effect on animal oil and vegetable oil.
Antitumor activity
In recent years, studies on antitumor pharmacodynamics have found that ampelopsin, one of its active components, has strong anticancer effect. The study of antitumor effect in vitro found that the compound can improve the therapeutic effect of tumor and improve the life body disease of patients by inhibiting tumor vascular growth, regulating and enhancing cellular immune function.
It has obvious antitumor effect in tumor model experiments such as leukemia and nasopharyngeal carcinoma.
How To Distinguish Real and Fake Ampelopsis Tea（Vine tea）
In the face of such a large market of Ampelopsis Tea, illegal merchants fabricate various lies to make people believe that they sale original and pure Ampelopsis Tea. However, the products they sale are not the real Zhangjiajie Ampelopsis Tea to a great extent. Therefore, how to distinguish real and fake Ampelopsis Tea? Distinguish the