English name:  Vine Tea Extract , Dihydromyricetin

Latin Name:  Ampolopsis grossedentata W. T. Wang 

Part Used:  Leaf, Herb 

Testing Method: UV-VIS,TLC

Appearance: white fine powder 

Specification :  Dihydromyricetin 80%, 90%,95%, 98%  

Active Ingredients: Dihydromyricetin 


Dihydromyricetin (DMY) also known as ampelopsin, is a flavanonol, a type of flavonoid. Sunfull dihydromyricetin is purified from the leaves of Vine Tea (Teng Cha), which is one of a rare typical tea plant in China. The Botanical name of Vine tea is Ampolopsis grossedentata . "The vine tea contains rich flavones, amino acids, vitamins and essential trace element, in which the content of dihydromyricetin is especially high. Use Vine Tea in traditional Chinese herbal medicine has a good effect in clearing heat, disinhibiting dampness, protecting liver, promoting blood circulation and regulating qi.


1. Clear the free radical and Anti-oxidantion

2. Antibiotic action and diminish inflammation

3. Reducing the levels of blood sugar and blood fat

4. Anti-tumor

5. Anti-thrombus

6. Protect liver, restrain the liver fibrosis

7. Dispel the effects of alcohol

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 Dihydromyricetin 98% specification

Product NameVine Tea Extract Dihydromyricetin Powder
Latin Name VitisAmpelopsis grossedentata
Used PartLeaf
AppearanceWhite Powder
Odor &TasteCharacteristic
SolubilityEasy soluble in hot water, also soluble in ethanol, acetone
and methanol.
Test MethodHPLC
Active IngredientDihydromyricetin 98%
CAS NO.27200-12--0
Molecular FormulaC15H12O8
Molecular Weight320
Sieve AnalysisNLT 100% pass 80 mesh
Loss on Drying≤2.0%
Ash Content≤1.0%
Total Heavy Metals≤10ppm
Pesticide Residues≤1ppm
Total Plate Count5000cfu/g
Total Yeast & Mold500cfu/g