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Nanjing Zelang Medical Technology Co., Ltd.

Cas No: 117-39-5, Quercetin, Quercetin Hplc 95% manufacturer / supplier in China, offering Quercetin, 100% Natural Licorice Extract Glycyrrhizic Acid, Factory Supply Natural Resveratrol 50% 98% HPLC and so on.

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Quercetin

FOB Price: US $10 / Piece
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $10/ Piece
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Production Capacity: 1 Ton/Tons / Month
Transport Package: Packed in Paper-Drums and Two Plastic-Bags Inside.
Payment Terms: T/T, Paypal, Western Union, Escrow

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Basic Info
  • Certification: ISO9001:2000
  • Appearance: Yellow Crystalline Powder
  • Flash Point: 248.1°c
  • Supply Type: OEM/ODM
  • Type: Herbal Extract
  • Form: Powder
  • Trademark: CPE
  • Origin: Nanjing, Jiangsu
  • Variety: Sophora Japonica Extract
  • Extraction Type: Solvent Extraction
  • Melting Point: 316 °c
  • Test Method: HPLC
  • Medicine Property: Anti-Histamine, Anti-Inflammatory
  • Part: Leaf
  • Specification: ISO9001: 2000, SGS, BV
  • HS Code: 2932999099
Product Description
Quercetin, Quercetin Glycoside
CAS No: 117-39-5
About product:
1)Basic information:
Active IngredientsQuercetinBotanical SourceScphora japonica L.
Molecular FormulaC15H10O7Molecular Weight302.23
CAS No. 6151-25-3
ApperanceYellow crystalline powder
Test MethodHPLC/UVSpecification95%
Structural Formula
Test method
By HPLC
Solubility
Soluble in glacial acetic acid, practically insoluble in water

TEST
STANDARD
RESULTS
Appearance
Yellow, crystalline powder
Yellow, crystalline powder
Solubility
Practically insoluble in water
Complies
Soluble in aqueous alkaline sol.

Complies
Tests
Loss on drying
≤ 12.0%
10.89%
Sulphated ash
≤ 0.5%
0.32%
Melting point
305-315° C
310-312° C

2)Main Function:
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

Package and Storage:
Paperboard barrel lined with two-layer polyethylene film bag;
Tightly sealed in a clean, cool, dry area, keep away from strong, direct light.

Shelf life:
Two years under well Storage situation and stored away from direct sun light
Our advantage
Best quality, Competitive price, Excellent service.

About us
About Zelang Medical
We Zelang rely on China pharmaceutical university and nanjing university of medicine, perennial plant employed as a field of digital technology, professor, with a graduate student as the main body in the talents team. We have advanced equipment and analysis the extraction and separation of the testing instrument, including multi-function extractor, microwave extraction device, membrane separation device, the highly effective liquid phase color spectrometer, imported high half preparation color spectrometer, gas phase color spectrometer, infrared spectrometer, UV-vis spectrophotometer etc.

We have two natural extract laboratorys, one analysis and test center, a pilot production base, two factories, can finish from small to large various stages of development, and we have can make the scientific research strength of standard control product quality, and enhance the competitiveness of their products. We are one of China"s most outstanding and plant pharmaceutical industry the most good reputation of the enterprises!

We insist on the highest standards in every item in our production line. The strict raw material selected, standard production facilities and professional R&D people is the best guarantee of our qualified goods. Products are widely used in medicine, health products and cosmetics, etc. According to customer needs and can provide various plant extract ratio of monomers extraction and separation. We provide products meet or exceed the quality standard.

If you are searching for proprietary ingredients or you are serious about position with your products. Please feel free to contact me
TEL: _86-025-85723982
Fax: (+86)025-85328433
Add: No. 108, Ganjiabian, QiXia District, Nanjing, Jiangsu, China
Active Ingredients Quercetin Botanical Source Scphora japonica L.  
Molecular Formula C15H10O7 Molecular Weight 302.23
CAS NO.   6151-25-3
Apperance Yellow crystalline powder
Test Method HPLC/UV Specification 95%
Structural Formula  
TEST STANDARD RESULTS
Appearance Yellow, crystalline powder Yellow, crystalline powder
Solubility Practically insoluble in water Complies
Soluble in aqueous alkaline sol. Complies
Tests
Loss on drying ≤ 12.0% 10.89%
Sulphated ash ≤ 0.5% 0.32%
Melting point 305-315° C 310-312° C
Heavy Metal ≤ 20PPM < 10PPM
Mesh size 95% pass 80 mesh 100% pass 80 mesh
Assay (anhydrous substance) UV ≥ 98% 98.92%
Microbiological test
Total plate count ≤ 1000cfu/g                                    < 1000cfu/g
Yeast & Mould ≤ 100cfu/g   < 100cfu/g
E. Coli Absent   Absent
Pseudomonas aeruginosa Absent   Absent
Conclusion: the test results conform to 98% standard.
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