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 Manager: Frank Wang
 Tel: 86-25-84204331,84209951
 Fax:+86-025-84204061,52300546
 E-mail: sales@hugestone-china.com
 Skype:frank-hugestone 

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Quercetin

CAS No.:117-39-5
HS Code:2938909090
Specification:Food/Feed/Pharmaceutical Grade
Packing:25kg bag/drum/carton
Port of loading:Shanghai ; Qindao;Tianjin
Min. Order:1MT

Quantity:
ITEMSSTANDARD
AppearanceCrystalline Powder
ColorYellow or greenish-yellow
Particle Size100% through 80 Mesh
Loss on Drying5.5-9.0%
Residue on Ignition< 0.5%
Impurity quercetin< 5.0%
Heavy Metals< 20ppm

Assay (Anhydrous substance) by UV> 95.0%
Total Plate Count< 1,000cfu/G
Yeast & Mold< 100cfu/G
E.Coli.Negative
SalmonellaNegative


Quercetin

Quercetin is a potent antioxidant and has anti-inflammatory activity, protecting cellular structures and blood vessels from the damaging effects of free radicals. It improves blood vessel strength. Quercetin inhibits the activity of catechol-O-methyltransferase that breaks down the neurotransmitter norepinephrine. This effect may lead to elevated levels of norepinephrine and an increase in energy expenditure and fat oxidation. It also means quercetin acts as an antihistamine leading to relief of allergies and asthma.

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 help reduce tissue destruction.
 6, Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis.


1. What's your payment terms?
T/T or L/C.

2. What's your delivery time?
Usually we will arrange the shipment in 7 -15 days.

3. How about the packing?
Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

4. How about the validity of the products?
According to the products you ordered.

5. What documents you provide? 
Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

6. What is loading port?
Usually is Shanghai,Qingdao or Tianjin.


Since 1992, Hugestone Enterprise Co., Ltd. has been dedicating itself as an active manufacturer and supplier of chemical products on an international scale. It owns four factories and holds shares in several joint-ventures, covering its products of Aspartame;Ascorbic Acid Coated/DC, Calcium/Sodium Ascorbate, Ascorbyl Phosphate;Citric Acid, Sodium Citrate; Fructose Crystalline.

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With its experienced and successful working with both Chinese and international markets, Hugestone also collaborates well with and acts as an agent for many factories in various ways. Now Hugestones has expanded its lines with over one hundred kinds of products in Food Ingrdients & Feed Additives, Nutriceuticals

( Biochemiclas) & Botanical Extracts, Pharmaceuticals and Intermediates.


In addition, our R&D experts team are engaged in the research and development of new products to tailor our customers’ requirements and to perfect our services.Quality Products and Efficient Services are always our Promise and Principal.


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 9/F,Fortune Building,No.359 Hongwu Road,Nanjing
210002, China
  +86-025-84204331 / 84209951
  +86-025-84204061
  sales@hugestone-china.com

  frank-hugestone
 
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