Xiamen JieJing Biology Technology Co.,Ltd.

Natural Herbal Extract

Quercetin Powder

Quercetin Powder
Natural Herbal Extracts


Quercetin Powder, Quercetin Extract


Quercetin Powder Description: [Product name]:Quercetin[Quality standard]:1.Active Ingredient:Quercetin 98%2.Appearance:Yellow fine powder3.Mesh: 100% pass 80 mesh 4.Odor: Characteristic 5.Loss On Drying: <=5%6.Sulphated Ash: <5%7.Heavy metal: 5PPM8.Residual Solvents:......


Quercetin Powder Detail

Known As: Quercetin Powder, Quercetin Extract

[Product name]:Quercetin

[Quality standard]:
1.Active Ingredient:Quercetin 98%

2.Appearance: Yellow fine powder
3.Mesh: 100% pass 80 mesh 
4.Odor: Characteristic
5.Loss On Drying: <=5%
6.Sulphated Ash: <5%
7.Heavy metal: 5PPM
8.Residual Solvents: 0.05PPM
[Microbiology standard]
1.Total Plate Count: 1000CFU/gm
2.Yeast&Mold: 100CFU/gm       
3.Salmonella: Negative     
4.E.Coli: Negative  
[Pharmacological Function]: Quercetin may expel phlegm and arrest oughing, it can also be used as antiasthmatic.  Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors. Quercetin may inhibit histamine release from basophils  and mast cells. Quercetin may control the spread of certain viruses within the body. Quercetin may help reduce tissue destruction. Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis. [Package]: Double plastic-bag inside, aluminum foil bag paper or fiber drum outside. N.W: 25kg/drum
[Storage]: Store in cool and dry place and avoid light and heat.
[Shelf Life]: 2 years


The use and production technology introduced

Natural Herbal Extracts

Natural Herbal Extracts


Our Service

Xiamen JieJing Biology Technology Co.,Ltd.

Inquiries by phone, fax or email is welcome, while email inquiry is more preferred, and answers will be made within 24 hours for most occasion.

Contact us

Xiamen JieJing Biology Technology Co.,Ltd.

Tel : (86)592 8238993

Fax: (86)592 5133506

Email : Service@NaturalHerbalExtracts.com

Herbal Extract COA

Certificate of Analysis

Resveratrol 98% - 09/01/2009

Water Soluble Curcumin E=60 - 08/21/2009

Dehydrated Tamarind Extract - 08/06/2009

Chitosan Acid Soluble - 08/19//2009

Water Soluble Chitosan - 08/19/2009

Rutin 95% - 08/28/2009

Rutin 98% - 08/28/2009

More COA.....