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Quercetin Dihydrate 6151-25-3

Quercetin Dihydrate 6151-25-3

95% by HPLC, 98% by UV
  • Product Details

Product Information


Product name

Quercetin Dihydrate

CAS No.:

6151-25-3

Plant used Part

Flos sophorae bud

Extraction Type

Water and ethanol

Specification

95%HPLC,98%UV, Food grade. Or customized according to your requirement.

Appearance

Yellow to greenish-yellow fine powder


COA of Quercetin Dihydrate


ITEMS

SPECIFICATION

RESULT

Organoleptic Test

Appearance

Yellow to greenish-yellow fine powder

Complies

Odor& Taste

Characteristic without off-flavor

Complies

Analytical Data

Quercetin

95%

97.29%

Loss on Drying

5%

2.60%

Partical Size

% through 80 mesh

> 95

Complies

Solvents Residue

Ethanol

3000 mg/kg

< 7.0mg/kg

Methanol

200 mg/kg

Not detected

Heavy Metals

Arsenic

0.5mg/kg

Not detected

Lead

0.5mg/kg

0.13 mg/kg

Cadmium

0.5mg/kg

Not detected

Mercury

0.5mg/kg

0.0065 mg/kg

Pesticide Residue

USP34-NF29<561>2011

(maximum residual limits)

Not detected

Aflatoxins

20 ppb

Not detected

Microbiological control

Aerobic Plate Count

10000 cfu/g

< 10 cfu/g

Yeast and mold

100 cfu/g

< 10 cfu/g

Coliforms

10 cfu/g

< 10 cfu/g

Enterobacteriaceae

10 cfu/g

Complies

Bacillus cereus

125 cfu/g

Complies

E. Coli STEC(Shiga Toxin-producing E coli)

Negative

Complies

Listeria species

Negative

Complies

Salmonella

Negative

Complies

Staphylococcus Aureus

Negative

Complies



Usage

Quercetin is extracted from sophora japonica bud. Quercetin has been used to relive cough in Chinese clinical medicine. Quercetin is soluble in glacial acetic acid, yellow in alkaline solution, almost insoluble in water, and bitter in alcohol solution.It has good expectorant and antitussive effects and has a certain antiasthmatic effect. In addition, it also lowers blood pressure, enhances capillary resistance, reduces capillary fragility, lowers blood lipids, dilatation of coronary arteries, and increases coronary blood flow. It is used for the treatment of chronic bronchitis. It also has adjuvant therapy for patients with coronary heart disease and hypertension.


Application of Quercetin:

1. Quercetin can relieve cough.
2. Quercetin may lower blood pressure.
3. Quercetin may reduce blood fat.
4. Quercetin may improve capillary resistance.
5. Quercetin has good antioxidant effect.
6. Quercetin has anti-inflammatory property.
7. Quercetin is a kind of natural dye for clothes.

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