Vine Tea Extract-Dihydromyritin
Other names: Ampelopsin, ampeloptin
Chemical name: (2R,3R)-3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)chroman-4-one
Botanical origin: Ampolopsis grossedentata W.T.Wang.
Part of the plant used: Stems and Leaves
Specifications: Dihydromyricetin ( DMY ) 20%- 98% (HPLC)
Molecular structure & weight: C15H12O8, 320.25
Extract solvents: Ethanol & water
Appearance: Fine off-white to white powder
| Analysis Items |
Specifications |
Results |
Methods used |
| Identification |
Positive |
Conforms |
TLC |
| Appearance |
Fine off-white to white powder |
Conforms |
Visual test |
| Odor & Taste |
Characteristic |
Conforms |
Organoleptic test |
| Bulk Density |
45-55g/100ml |
Conforms |
ASTM D1895B |
| Particle Size |
100% through 80 Mesh |
Conforms |
AOAC 973.03 |
| Solubility |
Soluble in ethanol & water solution |
Conforms |
Visual |
| |
|
|
|
|
|
|
| Assay |
NLT 98% Dihydromyricetin |
98.10% |
HPLC |
| Loss on Drying |
NMT 5.0% |
1.15% |
5g /105ºC /2hrs |
| Ash Content |
NMT 2.0% |
0.65% |
2g /525ºC /3hrs |
| Extract Solvents |
Ethanol & Water |
Conforms |
/ |
| Solvent Residues |
NMT 0.05% |
Conforms |
GC |
| Excipients |
None |
Conforms |
/ |
Dihydromyricetin applications:
Protect liver, HELP recovery from drunkness. Dosage range suggested for hangover 1-8mg/kg body weight, based on DHM 80%,
Clear the free radical,
Anti-oxidation,
Diminish inflammation,
Anti-fungi/bacterium,
Preventing the forming of the thrombus,
Anti-tumour, especially it is under researches for leukemia, nasopharyngeal darcinoma/NPC,
Used in feed as antioxidant, controlling E.coli, aflatoxin, mold in the feed,
Helps improving the taste and flavors of the poultry meat.
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