Vine tea extract
Botanical Source: Ampelopsis grossedentata W. T. Wang.
CAS No.: 27200-12-0
Part Used: Vine & Leaf
Appearance: Fine white needle crystalline powder
Specifications: Dihydromyricetin ( DMY ) 50%, 80%, 95%, 98% (HPLC)
Description:
Ampelopsis grossedentata is called Teng Cha in China, as a Chinese Herbal Medicine it has a glycol flavor, the nature is cool; It can alleviate fevers, dis-intoxicate, cure rheumatism, strengthen physique, diuresize, 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-alpha-D-glucoside, taxifolin & apiin.
Functions:
Anti-oxidation;
Clear the free radical;
Diminish inflammation;
Anti-fungi/bacterium;
Preventing the forming of the thrombus;
Protecting liver, good for recovery from drunk;
Anti-tumour, especially it is under researches for leukemia, nasopharyngeal darcinoma / NPC.
| Analysis Items |
Specifications |
Results |
Methods used |
| Identification |
Positive |
Conforms |
TLC |
| Appearance |
Fine off-white to white powder |
White powder |
Visual test |
| Odor & Taste |
Characteristic,Special Sour |
Conforms |
Organoleptic test |
| Bulk Density |
45-55g/100ml |
46g/100ml |
ASTM D1895B |
| Particle Size |
99% through 80 Mesh |
Conforms |
AOAC 973.03 |
| Solubility |
Easy soluble in hot water,ethanol,acetone, soluble in ethanol,methanol,insoluble in chloroform, petroleum ether. |
Conforms |
Visual |
| Heat test |
Stable bellow 100ºC, Irreversible oxidation reaction happens above 100ºC |
Conforms |
In house |
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| Assay |
NLT 98% Dihydromyricetin |
98.61% |
HPLC |
| Loss on Drying |
NMT 5.0% |
1.20% |
5g /105ºC /2hrs |
| Ash Content |
NMT 2.0% |
0.50% |
2g /525ºC /3hrs |
| Extract Solvents |
Ethanol & Water |
Conforms |
/ |
| Solvent Residues |
NMT 0.05% |
Conforms |
GC |
| Excipients |
None |
Conforms |
/ |
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| Heavy Metals |
NMT 10ppm |
Conforms |
Atomic Absorption |
| Arsenic (As) |
NMT 2ppm |
Conforms |
Atomic Absorption |
| Lead (Pb) |
NMT 2ppm |
Conforms |
Atomic Absorption |
| Cadmium (Cd) |
NMT 0.5ppm |
Conforms |
Atomic Absorption |
| Mercury(Hg) |
NMT 0.2ppm |
Conforms |
Atomic Absorption |
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| 666 |
NMT 0.1ppm |
Conforms |
USP-GC |
| DDT |
NMT 0.5ppm |
Conforms |
USP-GC |
| Acephate |
NMT 0.2ppm |
Conforms |
USP-GC |
| Methamidophos |
NMT 0.2ppm |
Conforms |
USP-GC |
| Parathion-ethyl |
NMT 0.2ppm |
Conforms |
USP-GC |
| PCNB |
NMT 0.1ppm |
Conforms |
USP-GC |
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NMT 0.2ppb |
Absent |
USP-HPLC |
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| Sterilization Method |
High temperature & pressure for a short time of 5~10 seconds |
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| Microbiological Data |
Total Plate Count<1,000cfu/g |
< 300 cfu/g |
GB 4789.2 |
| Total Yeast & Mold<100cfu/g |
< 40 cfu/g |
GB 4789.15 |
| E. Coli be absent |
Absent |
GB 4789.3 |
| Staphylococcus to be absent |
Absent |
GB 4789.10 |
| Salmonella to be absent |
Absent |
GB 4789.4 |
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| Packing and Storage |
Packed in fiber drum, LDPE bag inside. Net weight: 25kgs/drum. |
| Keep away from moisture, strong heat and sunlight. |
| Shelf Life |
2 years if sealed and stored in the recommended conditions. |
Characteristic:
- We can also customize orders as customer's requirements and specifications.
- KINGHERBS' is specialized in manufacturing and exporting different kinds of food industry related goods, such as Inulin (90% or 98%), Myricetin, Sea Buckthorn Oil, Green Coffee Bean Extract Total Chlorogenic Acids, Fenugreek Seed Extract Furostanol Saponins 50% etc.
- With the effective exporting system and prompt reaction, we ensure that we can transfer the shipping documents and deliver our cargos on time.
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