Best Sells and Lowest Price Product Vine Tea Extract Dihyromyricetin,

• Certification: ISO, FDA, Kosher
• Assay Method: HPLC
• Application Form: Paste
• Application: Health Care Products, Medicine
• State: Powder
• Extract Source: Leaf, 100% Natural
• Model NO.: Dihydromyricetin 98%
• Botanical Source: Ampolopsis Grossedentata
• Other Name: Ampelopsin
• Active Ingredient: Dihydromyricetin
• CAS No.: 7200-12-0
• Transport Package: Fiber Drum
• Specification: KG
• Trademark: KINGHERBS _ KH
• Origin: China
• HS Code: 2932999099
• Production Capacity: 5000kg/Month

Product 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.