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Hangzhou Greensky Biological Tech Co., Ltd.

China Manufacturer with main products: Cranberry Extract, Bilberry Extract, Marigold Extract, Red Clover Extract, Grape Seed Extract, Artichoke Extract, Green Coffee Bean Extract,...

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FOB Price: 1.00 - 100.00 USD/Kilogram
Supply Ability: 100 Ton/Tons per Month
Shipping: Any chinese port
Payment Terms: L/C, T/T, Western Union
In Stock

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Export Markets: North America, Eastern Europe, Western Europe
Packaging Details: 1kg/bag, 25kg/drum

Quick Details

  • Form: Powder
  • Extraction Type: Solvent Extraction
  • Packaging: Drum
  • Grade: Medicine grade
  • Brand Name: Greensky
  • Model Number: CC41




Product Name: Diosmin

CAS# :520-27-4


Assay Method:HPLC

Herb SourseParticipation was isolated genus

Molecular Weight: C28H32O15

Molecular Formula:680.54 

Melting Point & Solubility:Almost insoluble in water, soluble in DMSO, almost insoluble in ethanol, soluble in dilute alkaline solution

Brief:Light yellow powder


Nature of Test





Greyish-yellow 0r light yellow hygroscopic powder.


Practically insoluble in water,soluble In dimethyl 

sulphoxide,practically insoluble in alcohol.

It dissolves in dilute solutions of alkali hydroxides. 


A.Infrared absorption

 spectrophotometry (2.2.24)        

B.Examine the chromatograms

 obtained in the Assay

Comparison: diosmin CRS

The principal peak in the chromatogram obtained 

with the test solution is similar in retention time 

and size to the principal peak in the chromatogram

 obtained with reference solution(a).



-Related substances(HPLC)(2.2.29)

-impurity A:acetoisovanillone

-impurity B:hesperidin

-impurity C:isorhoifin

-impurity E:linarin

-impurity F:diosmetin

-any other impurity

-total of other impurities and impurity A


-Heavy metals(2.4.8)


-Sulphated ash(2.4.14)















ASSAY(HPLC),anhydrous substance(2.2.29)










MICROBILOGICAL TESTS(2.6.12) &(2.6.13)

-Total Plate Count

-Yeasts and Molds






Negative in 1g

Negative in 1g




 Used to treat chronic venous insufficiency,hemorrhoids, etc

(1)It can induce chondrogenesis, have anti-inflammatory and analgesic, antipyretic effect;

(2) does not inhibit prostaglandin synthesis

(3) on osteoarthritis has the effect of delaying disease progression.








About us



Hangzhou Greensky Biological Tech Co., Ltd. is a high-technology enterprise engaged in the study, development, production and sales of plant extracts. We are located in Hangzhou City, which is famous for beautiful West Lake and about 180km to the largest Port City-Shanghai in China.
Our company owns a research institute, central foundation and sales department. 90% of our products are sold to Europe, America, Japan, Korea and Singapore.
Our company possesses an R&D center with advanced HPLC, GC, AAS and UV analysis equipment, which enables us to set up quality control system from research to production conveniently. We have set up a long-term relationship with Zhejiang University and Zhejiang University of Technology, researching new biomedicine, health-care foods and intermediary materials.
Based on the principle of high quality, competition price an honest service, we welcome partners from at home and abroad to cooperate with us. We are applying ourselves to the cause of green health for mankind .




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