Advantage:
1) 13 years of rich experience in R&D and production ensure the stability of product parameters;
2) 100% plant extracts ensure safer and healthier;
3) Professional R&D team can provide special solutions and customized services according to customer requirements;
4) Free samples can be provided.
(4) Indications and uses:
Diosmin is a semi-synthetic flavonoid, a derivative of hesperidin. It is used to treat various vascular diseases, including hemorrhoids, varicose veins, poor blood circulation in the legs (venous stasis) and bleeding in the eyes or gums. It is also used to prevent liver toxicity. It is usually mixed with hesperidin.
(5) CAS number: 520-27-4 ; molecular formula: C28H32O15; molecular weight: 608.545
● Made in China, using own planted raw material to make premium products
● Fast lead times
● 9 – step quality control process
● Highly experienced operations and quality assurance staff
● Stringent in-house testing standards
● Warehouse both in USA and China, fast response
Analysis |
Specification |
Results |
Method |
Anhydrous substance |
90.0-102.0% |
93.4% |
HPLC |
Hesperidin |
≤4.0% |
3.2% |
HPLC |
Acetoisovanillone |
≤0.5% |
0.07% |
HPLC |
Isorhoifin |
≤3.0% |
0.93% |
HPLC |
Linarin |
≤3.0% |
1.1% |
HPLC |
Diosmetin |
≤2.0% |
0.46% |
HPLC |
Unspecified impurities, for each impurity |
≤0.4% |
0.25% |
HPLC |
Total |
≤8.5% |
6.2% |
HPLC |
Appearance |
Greyish-yellow or light yellow hygroscopic powder. |
Light yellow hygroscopic powder. |
Visual |
Solubility |
Practically insoluble in water, soluble in dimethyl sulphoxide, practically insoluble in ethanol (96%). It dissolves in dilute solutions of alkali hydroxides. |
Complies |
- |
Odor & Taste |
Characteristic |
Complies |
Organoleptic |
Residual Solvents |
Methanol≤3000ppm |
Complies |
CP2015 |
Ethanol≤5000ppm |
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Pyridine≤200ppm |
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Loss on drying |
≤6.0% |
2.1% |
CP2015 |
Sulphated ashes |
≤0.2% |
0.1% |
CP2015 |
Heavy Metals |
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Total |
≤10ppm |
Complies |
CP2015 |
Microbiological Control |
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Total Plate Count |
NMT1000cfu/g |
Complies |
CP2015 |
Yeast & Mold |
NMT100cfu/g |
Complies |
CP2015 |
E.Coli |
Negative |
Complies |
CP2015 |
Packing and Storage |
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Packing |
25kgs/drum. Packing in paper-drums and two plastic-bags inside. |
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Storage |
Store in a well-closed container away from moisture, sun light, or heat. |
Packing: 25kgs/drum. Packing in paper-drums and two plastic-bags inside.
Storage:Store in a well-closed container away from moisture, sun light, or heat.
Shelf Life:2 years.
Quality First, Safety Guaranteed