Diosmin
Product Name: Diosmin
CAS# :520-27-4
Specifications:90%
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 | Specifications |
CHARACTERS -Appearance -Solubility | 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. |
IDENTIFICATION 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). |
TESTS -Iodine(2.2.36)&(2.5.10) -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 -total -Heavy metals(2.4.8) -Water(2.5.12) -Sulphated ash(2.4.14) | ≤0.1% ≤1.0% ≤5.0% ≤3.0% ≤3.0% ≤3.0% ≤1.0% ≤1.0% ≤10.0% ≤20ppm ≤6.0% ≤0.2% |
ASSAY(HPLC),anhydrous substance(2.2.29) | 90.0%-102.0% |
RESIDUAL SOLVENTS(2.4.24) -Methanol -Ethanol -Pyridine | ≤3000ppm ≤5000ppm ≤200ppm |
MICROBILOGICAL TESTS(2.6.12) &(2.6.13) -Total Plate Count -Yeasts and Molds -Salmonella -E.Coliform | <103/g <102/g Negative in 1g Negative in 1g |
Function:
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 .