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Quercetin

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  Post Date: Nov 06,2024
  Expiry Date: May 05,2025
  Detailed Description: Cas No. :117-39-5

Product Name: Quercetin

Botanical Name: Sophora japonica Ait

Part Used:Buds

Main Active Ingredient: Quercetin

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Specification: 

98% Quercetin 

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Active Ingredient: Quercetin

CAS No.:119-39-5

Mol. Formula: C15H10O7

Mol. Weight: 302.24

Structural formula:

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Description:

Quercetin is a potent antioxidant and has antiinflammatory activity, 

protecting cellular structures and blood vessels from the damaging 

effects of free radicals. It improves blood vessel strength. Quercetin 

inhibits the activity of catecholmethyltransferase that breaks down the 

neurotransmitter norepinephrine. This effect may lead to elevate the 

levels of norepinephrine and an increase in energy expenditure and 

fat oxidation. It also means quercetin acts as an antihistamine leading to 

the relief of allergies and asthma. As an antioxidant, it reduces LDL 

cholesterol and offers protection from heart disease. Quercetin blocks 

an enzyme that leads to accumulation of sorbitol, which has been linked 

to nerve, eye, and kidney damage in diabetics.

Main Function:

1.It has good expectorant, cough relieving effect, and the activity of 

curing asthma for the treatment of chronic bronchitis.

2.It can lower blood pressure, fragility, blood fat, expand coronary artery, 

and increase capillary resistance coronary blood flow, and other effects on 

the coronary heart disease and hypertension role of adjuvant therapy.

3.It shows functions including anti-tumor and anti-platelet aggregation.

4.It can be a major supplementary drug for the treatment of prostate cancer

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     Specification Sheet

Items

Specification

Quercetin

≥98% UV

Appearance

Fine yellow powder

Odor

Characteristic

Taste

Characteristic

Particle size

NLT 95% pass 80 mesh

Loss on drying

≤5%

Heavy metals

<10ppm

Irradiation 

Irradiation Free

GMO

GMO Free

As

<1ppm

Pb

<3ppm

Total Plate Count

<10000cfu/g

Yeast & Mold

<300cfu/g 

E.Coli

Negative

Salmonella

Negative

Physical Standard 

 CP2010

Chemical&Microorganism 
    Standard

 USP34 

  CAS Registry Number:

117-39-5
  Synonyms: C.I. 75670;C.I. Natural Yellow 10;Quercetin;3,3,4,5,7-Pentahydroxyflavone (pract);2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one;3-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-chromen-4-one;
  Molecular Formula: C15H10O6
  Molecular Weight: 286.2363
  Molecular Structure: 117-39-5 3,3',4',5,7-pentahydroxyflavone
  Hazard Symbols:  T:Toxic;
  Risk Codes: R25:Toxic if swallowed.;
R40:Possible risks of irreversible effects.;
  Safety Description: S28:After contact with skin, wash immediately with plenty of ...;
S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).;

  Company: Hunan Huacheng Biotech,Inc.     [ China ]          
  Contact: Mr Huang
  Tel: 086-0731-82298388
  Fax: 086-0731-88988118
  Email: sales@huachengbio.com
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