Vine Tea Extract 50%-98% Myricetin for Pigment

• Certification: ISO, FDA, HACCP, Kosher,Halal
• Assay Method: HPLC
• Application Form: Paste, Tablet
• Application: Food, Health Care Products, Medicine, Medicinal, Edible
• State: Powder
• Extract Source: Vine Tea
• Model NO.: CAS No.: 529-44-2
• Storage Method: Normal
• Extraction Process: Physical
• Raw Material: Plants
• Packaging Material: Fiber Drum
• Transport Package: 20-25kg/Drum
• Specification: 90% 98%
• Trademark: Kingherbs
• Origin: China
• HS Code: 1302199099
• Production Capacity: 10000kg

Product Description

Vine Tea Extract

Myricetin
Botanical Source: Ampelopsis grossedentata W. T. Wang.
CAS No.: 529-44-2
Chemical name: 3, 5, 7-Trihydroxy-2-(3, 4, 5-trihydroxyphenyl)-4H-1-benzopyran-4-one
Part used: Leaf
Molecular formula: C15H10O8
Specification: 50%, 80%, 90%, 98% by HPLC.
Extract solvents: Ethanol & water
Appearance: Yellow-beige crystalline powder.
 

Analysis Items		Specifications	Results		Methods used
Appearance		Fine light yellow powder	Conforms		Visual test
Odor & Taste		Characteristic	Conforms		Organoleptic test
Bulk Density		45-65g/100ml	Conforms		ASTM D1895B
Particle Size		NLT 98% through 80 Mesh	Conforms		AOAC 973.03
Assay(C27H44O7)		NLT 90% Myricetin	93.18%		HPLC
Loss on Drying		NMT 5.0%	1.26%		5g /105ºC /2hrs
Ash Content		NMT 5.0%	3.59%		2g /525ºC /3hrs
Extract Solvents		Ethanol & Water	Conforms		/
Heavy Metals		NMT 10ppm	Conforms		ICP-MS
Arsenic (As)		NMT 2ppm	Conforms		ICP-MS
Lead (Pb)		NMT 2ppm	Conforms		ICP-MS
Cadmium (Cd)		NMT 1ppm	Conforms		ICP-MS
Mercury(Hg)		NMT 0.1ppm	Conforms		ICP-MS

Description:
Myricetin is a naturally occurring flavonol, a flavonoid found in many grapes, berries, fruits, vegetables, herbs, as well as other plants. Walnuts are a rich dietary source. Trace amounts can be found as glycosides. It is one of the phenolic compounds present in red wine.

Main Functions:
1. Clear the free radical;
2. Anti-oxidation, modify LDL cholesterol, improve heart health by preventing LDL oxidation and reducing the uptake of oxidized LDL by macrophages;
3. Diminish inflammation;
4. Anti-fungi/bacterium;
5. Preventing the forming of the thrombus;
6. Anti-tumour & cancer, antimutagenic, especially good for prostate cancer, leukemia, nasopharyngeal darcinoma/NPC, pancreatic cancer (An 8-year study found that three flavonols, kaempferol, quercetin, and myricetin), reduced the risk of pancreatic cancer by 23 percent);
7. Protect liver;
8. Benefit for Brain health