Best Sells and Lowest Price Product Dihyromyricetin, Vine Tea Extract

DihydromyricetinOther 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 )50%, 80%, 90%, 98% (HPLC)
CAS No. :27200-12-0
Molecular structure &weight:C15H12O8, 320.25Extract solvents:Ethanol &water
Appearance:Fine white crystalline powder for the 98% above, the low content powder is light greenish white.
Solubility:Easy soluble in hot water, hot ethanol and acetone, soluble in ethanol, methanol, slightly soluble acetic ether, insoluble in chloroform, petroleum ether.
Stability:Stable in heat, but when heated to 100ºC above, it will be oxidized irreversibly. It is stable in acidity and neutral solution. Water solution of DMY will change slightly if heated above 80 Celsius degree.
Taste:The DMY taste slightly bitter, it affect the drink very little and the dosage is very small. KINGHERBS can also offer de-bitterness DMY for your specially formula.
Ampelopsis grossedentata is called Teng Cha in China, as aChinese Herbal Medicine it has aglycol flavor, the nature is cool; it can alleviate fevers, drunkness, cure rheumatism, strengthen physique, diuresis, and many other functions.
Ampelopsis grossedentata contains rich flavones, amino acids, vitamins; proteins and essential trace element.
The flavones are mainly dihydromyricetin, myricetin, quercetin, quercetin-5-O-β-D-glucoside, taxifolin, apiin.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.
CERTIFICATE OF ANALYSISReport Date:16-Nov-17Expiry Date:8-Nov-19DHM CAS number27200-12-0Manufacture Date:9-Nov-17Product NameVine Tea ExtractBatch NumberVTE-171109Botanical SourceBatch Quantity550kgsPlant Part UsedLeaf,100% NaturalCountry of OriginChinaType of ExtractionStandard ExtractActive Ingredient MarkersDihydromyricetinAnalysis ItemsSpecificationsResultsMethods usedIdentificationPositiveConformsTLCAppearanceFine off-white to white powderConformsVisual testOdor &TasteCharacteristicConformsOrganoleptic testBulk Density45-55g/100mlConformsASTM D1895BParticle Size100% through 80 MeshConformsAOAC 973.03SolubilitySoluble in ethanol &water solutionConformsVisualAssayNLT 98% Dihydromyricetin98.09%HPLCLoss on DryingNMT 5.0%1.19%5g /105ºC/2hrsAsh ContentNMT 5.0%0.61%2g /525ºC/3hrsExtract SolventsEthanol &WaterConforms/Solvent ResiduesNMT 0.05%ConformsGCExcipientsNoneConforms/Heavy metalsNMT 10ppmConformsAtomic AbsorptionArsenic (As)NMT 2ppmConformsAtomic AbsorptionLead (Pb)NMT 2ppmConformsAtomic AbsorptionCadmium (Cd)NMT 1ppmConformsAtomic AbsorptionMercury(Hg)NMT 0.1ppmConformsAtomic Absorption666NMT 0.1ppmConformsUSP-GCDDTNMT 0.5ppmConformsUSP-GCAcephateNMT 0.2ppmConformsUSP-GCMethamidophosNMT 0.2ppmConformsUSP-GCParathion-ethylNMT 0.2ppmConformsUSP-GCPCNBNMT 0.1ppmConformsUSP-GCAflatoxinsNMT 0.2ppbAbsentUSP-HPLCSterilization MethodHigh temperature &pressure for ashort time of 5~10 secondsMicrobiological DataTotal Plate Count <10,000cfu/g< 1,000cfu/gGB 4789.2Total Yeast &Mold <1,000cfu/g< 50cfu/gGB 4789.15E. Coli to be negativeNegativeGB 4789.3Staphylococcus to be negativeNegativeGB 4789.10Salmonella to be absentAbsentGB 4789.4Packing and StoragePacked in fiber drum, LDPE bag inside. Net weight: 20kgs/drum.Keep away from moisture, strong heat and sunlight.Shelf Life2 years if sealed and stored in the recommended conditions.