Best Sells and Lowest Price Product Vine Tea Extract Dihyromyricetin,

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Product origin: Changsha, Hunan, China

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US$ 110

Description

Dihydromyricetin

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 ) 50%, 80%, 90%, 98% (HPLC)
CAS No. : 27200-12-0
Molecular structure & weight: C15H12O8, 320.25

Extract 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 a Chinese Herbal Medicine it has a glycol 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 ANALYSIS

		Report Date	:	16-Nov-17
		Expiry Date	:	8-Nov-19
DHM CAS number	27200-12-0	Manufacture Date	:	9-Nov-17

Product Name	Vine Tea Extract	Batch Number	VTE-171109
Botanical Source	Ampolopsis grossedentata W.T.Wang.	Batch Quantity	550kgs
Plant Part Used	Leaf,100% Natural	Country of Origin	China
Type of Extraction	Standard Extract	Active Ingredient Markers	Dihydromyricetin

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	98.09%	HPLC
Loss on Drying	NMT 5.0%	1.19%	5g /105ºC /2hrs
Ash Content	NMT 5.0%	0.61%	2g /525ºC /3hrs
Extract Solvents	Ethanol & Water	Conforms	/
Solvent Residues	NMT 0.05%	Conforms	GC
Excipients	None	Conforms	/

Heavy Metals	NMT 10ppm	Conforms	Atomic Absorption
Arsenic (As)	NMT 2ppm	Conforms	Atomic Absorption
Lead (Pb)	NMT 2ppm	Conforms	Atomic Absorption
Cadmium (Cd)	NMT 1ppm	Conforms	Atomic Absorption
Mercury(Hg)	NMT 0.1ppm	Conforms	Atomic Absorption

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
Aflatoxins	NMT 0.2ppb	Absent	USP-HPLC

Sterilization Method	High temperature & pressure for a short time of 5~10 seconds

Microbiological Data	Total Plate Count < 10,000cfu/g	< 1,000cfu/g	GB 4789.2
	Total Yeast & Mold < 1,000cfu/g	< 50cfu/g	GB 4789.15
	E. Coli to be negative	Negative	GB 4789.3
	Staphylococcus to be negative	Negative	GB 4789.10
	Salmonella to be absent	Absent	GB 4789.4

Packing and Storage	Packed in fiber drum, LDPE bag inside. Net weight: 20kgs/drum.
	Keep away from moisture, strong heat and sunlight.
Shelf Life	2 years if sealed and stored in the recommended conditions.