GMP manufacturer Quercetin extract

FOB Price: Get Latest Price
Min.Order Quantity: 100 Kilogram/Kilograms
Supply Ability: 50 Ton/Tons per Month
Port: Guangzhou Huangpu port
Payment Terms: L/C,T/T
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Quick Details

CAS No.:
Other Names:
Place of Origin:
Hunan China (Mainland)
Anti-Allergic Agents,Antibiotic and Antimicrobial Agents,Electrolyte Balance and Dialysis Agents,Immune Function Agents,Vitamins, Amino Acids and Coenzymes,Auxiliaries and Other Medicinal Chemicals
Grade Standard:
Cosmetic Grade,Food Grade,Medicine Grade
HPLC 90-95%
Yellow, crystalline powder:
100% nature
plant extract:
flower extract

Packaging & Delivery

Packaging Detail: 25Kg/Fiber Drum, inner by plastic bag or aluminum foil bag, or customized.
Delivery Detail: 5-7days


1.GMP, HACCP, KOSHER, SGS Certificated.
2.Top quality,competitive price.
3.13 years manufacture experience.






Active ingredient







Yellow, crystalline powder

Part Used


Test method


Ash Content


Extract solvent

Ethanol Or Water

Particle Size

NLT100%Through 80 mesh

Molecular weight 


Molecular formular 


Drying Method

Spray Dying

Loss on Drying






Total Plate Count


Total Yeast & Mold




1, Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic.  

2, Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors.

3, Quercetin may inhibit histamine release from basophils and mast cells.

4, Quercetin may control the spread of certain viruses within the body. 

5, Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis

Packing: By 25Kg/Fiber Drum, inner by plastic bag or aluminum foil bag, or customized. 

Storage:Stored in cool and dry places,keep away for strong light.

Shelf life:2 Years when properly stored.





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Hunan Hengsheng Pharmaceutical Co., Ltd. is a modern hi-tech enterprise which was founded in September of 2001. Our company mainly produces Chinese patent medicine and covers an area of 82,050sqm with 30% greenery area.

Our fixed assets reach RMB368 million and the equity scale is RMB100 million. At present, we have 7 workshops passing GMP certificate. The production and sale of plant extract have passed KOF-K. Now we are planning to apply for EU and US FDA certificates. Our company set up a ... View detail

Basic Information Indicates information has been verified onsite by a certification specialist

Product/Service (We Sell): Herbal Extracts,Freeze-dried Powder for Injection  
Number of Employees: 101 - 200 People  

Trade & Market

Main Markets: Domestic Market
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 1% - 10%  

Factory Information

Factory Size (Sq.meters): 50,000-100,000 square meters  
Factory Location: Hengsheng Road, Xidu Economic & Technological Development Zone, Hengyang City, Hunan Province, China  
Number of R&D Staff: Above 50 People  
Number of QC Staff: 11 - 20 People  

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China (Mainland) | Manufacturer, Trading Company | Contact Details
Key Strengths: Assessment Report by Bureau Veritas
Top 3 Markets: Domestic Market 100%
Experience: Established 2001

Communicate with Supplier:

Ms. Kavina Nie
Ms. Kavina Nie:
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