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Postion:Product Catalog >API>Respiratory Drugs>Antitussives>Quercetin Dihydrate
Quercetin Dihydrate
  • Quercetin Dihydrate
  • Quercetin Dihydrate
  • Quercetin Dihydrate
  • Quercetin Dihydrate

Quercetin Dihydrate NEW

Price $75 $55 $35
Package 1Kg/Bag 25Kg/Bag 100Kg/Bag
Min. Order: 1Kg/Bag
Supply Ability: 20 tons
Update Time: 2024-04-22

Product Details

Product Name: Quercetin Dihydrate CAS No.: 6151-25-3
EC-No.: 612-158-3 Min. Order: 1Kg/Bag
Purity: 99% up, High Density Supply Ability: 20 tons
Release date: 2024/04/22

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


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.

Article illustration


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 


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.


Company Information 

Article illustration


Company Profile Introduction

Sinoway Industrial co., ltd. was established in 1987 in Xiamen, China, and now has been a leading group specialized in research, development, custom manufacturing and trading of pharmaceutical intermediates, APIs, health and food supplements, cosmetic raw materials, herbal extracts, polypeptides and prostaglandin derivatives, etc.. We have passed ISO9001:2015. With qualified products, competitive price and excellent service, we have received great reputation of our customers from all over the world, including Southeast Asia, Europe, North America, South America, Middle East and other countries. We have over 20 years good partners in Japan、Korea and Switzerland. Sinoway has a professional R&D team. We have built close cooperative relationships with many research institutes and universities in China. Moreover, Sinoway combines market analysis with technology, providing new business trends to our clients. In addition, we have very close cooperation relationships with many Chinese pharmaceutical factories. These pharmaceutical manufacturers have GMP regulated workshops, advanced production and testing equipments, first-class QC labs and a production team with rich experience. We can supply various Active Pharmaceutical Ingredients and finished products which meet EP/USP/BP standards. Chinese GMP, EU-GMP, COS/CEP certificates with DMF documents are available, and many products have been approved by FDA. We believe that quality and innovation are vital for an enterprise. Adhering to the business philosophy of integrity and win-win cooperation, Sinoway is looking forward to have a bright future with you together.

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