Ampelopsin, also known as dihydromyricetin, is a flavanonol, a type of flavonoid. It is found in the Ampelopsis species japonica, megalophylla, and grossedentata; Cercidiphyllum japonicum; Hovenia dulcis; Rhododendron cinnabarinum; some Pinus species; and some Cedrus species, as well as in Salix sachalinensis.
Dihydromyricetin is a compound found in hovenia dulcis, which is more commonly known as the Oriental Raisen Tree. It has been used in traditional Chinese Medicine for centuries as a hangover cure and as a method of preventing alcohol intoxication, but has just recently gained recognition outside of Asia.
Hovenia dulcis has been used in traditional Japanese, Chinese, and Korean medicines to treat fever, parasitic infection, as a laxative, and a treatment of liver diseases, and as a hangover treatment. Methods have been developed to extract ampelopsin from it at large scales, and laboratory research has been conducted with the compound to see if it might be useful as a drug in any of the conditions for which the parent plant has been traditionally used.
In a trial of sixty patients with fatty liver disease dihydromyricetin improved glucose and lipid metabolism and exerted anti-inflammatory effects which were beneficial.
Vine tea, also be called as dragon-boat tea, dragon-whisker tea, young stem and leaf from Ampelopsis grossedentat , a plant of (Ampelopsis grossedentata)(Hand-Mazz)W.T.wang, growing in 1300-1950m hillside shrub or valley woodland , always be consider as legendary healthy tea. Researches show than vine tea can relieve inflammatory, mixture cough and antitussives, it also has strong inhibitory effect to common bacteria can be found in food.
Some of flavonoids, for example Ampelopsin and Dihydromyricetin, are main active ingredients in vine tea, which have almost same MIC and MBC comparing with berberine, and have high Free radical scavenging activity varies between 73.3~91.5%. It can also reduce oxidative damage in the body, anti-aging, reduce the deformation and tissue necrosis of animal liver. Dihydromyricetin also have ability on lifting alcohol poisoning, prevent for AFL, Inhibit the deterioration of liver cells, decrease the incidence of liver cancer. In these case Dihydromyricetin is consider as a good product for enhance activity of SOD, protecting liver and removing inebriation. Dihydromyricetin now entered clinical trials as a class of new drugs when researcher of Dihydromyricetin achieved a major breakthrough in field of anti-leukemia and medicine of Nasopharyngeal cancer. Ampelopsis injection is expected to be a new treatment for leukemia and nasopharyngeal cancer.
Dihydromyricetin shows antioxidant activity as an effective scavenger of 1,1-diphenyl-2-picrylhydrazyl radical (DPPH). It also inhibits the increase of lipid peroxidation (LPO) values in linolei acid system catalyzed by FeSO4-edetic acid. DHM (1 μM) as a novel anti-alcohol intoxication medication antagonizes both acute EtOH-induced potentiation of GABA(A)Rs and EtOH exposure/withdrawal-induced GABA(A)R plasticity and increases in GABA(A)R alpha4 subunit expression in hippocampus and cultured neurons.
Pharmacology Action:

1. It exhibited several potent pharmacological activities, including hypoglycemic, antilipemic, hypotensive and liver-protecting activities and so on
2. Anti-inflammatory
3. Antibacterial
4. Lowing LDL
Function
1.Vine tea extract can protect liver against alcohol damage.
2.Vine tea extract powder has the ability to reduce injuries all ready caused to the liver.
3.Vine tea extract powder can help to repair damage caused to your liver after one-too-many nights.
Where Can You Buy The Best Dihydromyricetin?
Xi'an Natural Field Bio-Technique Co.,Ltd. is the professional Manufacturer of Herbal Extract Since 2005. And attend the CPHI, Vitafoods and API Exhibition from 2008. the Dihydromyricetin is the one of our strong products. If you need this products, please send an inquiry to us info@natural-field.com at any time.