Vine  Tea:

Vine Tea is a traditional ethnic medi-cine with a history of more than 700 years of use in China. Vine Tea  contains 17 kinds of amino acids necessary for human body such as leucine, isoleic acid and methionine, and 14 kinds of trace elements such as potassium, calcium, iron, zinc and magnesium, especially rich in high active flavonoids and dihydromyricetin. Rattan tea is rich in more than 19 kinds of bioflavonoids, and the total flavonoid content is up to 39.25%. 

1.Specification of Vine Tea Extract Dihydromyricetin dhm:

 Vine Tea Extract:Dihydromyricetin 98%

Or according to customer’s requirements customize specification.

2.Characteristic:

•  Extraction method: ethanol extraction
•  Features: Relative to methanol, high cost, but safe, no solvent residue, no damage to the human body.
•  Solubility: Soluble in hot water, hot ethanol and acetone, soluble in ethanol, methanol, very slightly soluble in ethyl acetate, insoluble in chloroform, petroleum ether.
•  Chemical properties: Studies have shown that dihydromyricetin has good thermal stability, but irreversible oxidation reaction of dihydromyricetin with temperature increase is higher than 100 °C. Dihydromyricetin is stable under neutral and acidic conditions.