Diosmin
【Physical character】
Yellow crystalline powder, odorless.Almost insoluble in water.
【Main specification】
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Assay: |
90% |
98% |
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Appearance: |
Yellow crystalline powder |
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【Botanical Source】Citrus Aurantium
Related products
【Function & Application】
Protect blood vessel, enhance blood vessel tension, reduce capillary permeability, strengthen its resistance, invrease lymphatic drainage speed and its effect of contraction.
【CAS NO.】 520-27-4
【Molecular Formula 】C28H32O15
【Packaging】
Net weight ≤5kg, PE bag sealed, pack in Carton.
Net weight ≥5kg≤25kg, PE bag sealed,pack in Fibre Drum.
【Storage and transportation requirements】
Keep far away from fire and sunlight, dampness and keep in seal.Don't store and transport with toxic and harmful goods.
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TEST ITEM |
STANDARD |
RESULT |
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Appearance |
Yellow crystalline powder |
Complies (Visual) |
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Melting point |
277℃-278℃ |
Complies(Melting point apparatus) |
|
Identification |
(a)(b) Must Positive |
Complies |
|
Residue on ignition |
≤0.5% |
Complies |
|
Mesh size |
100% pass 80 mesh/90% pass 1250 mesh |
Complies |
|
Iodine |
≤0.1% |
Complies (Potentiostat) |
|
Related substances |
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|
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- acetoisovanillone |
≤0.5% |
Complies (HPLC) |
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- hesperidin |
≤4.0% |
Complies (HPLC) |
|
- isorhoifolin |
≤3.0% |
Complies (HPLC) |
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- 6-iododiosmin |
≤0.6% |
Complies (HPLC) |
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- linarin |
≤3.0% |
Complies (HPLC) |
|
- diosmetin |
≤2.0% |
Complies (HPLC) |
|
- unspecified impurities |
≤0.4% |
Complies (HPLC) |
|
- total |
≤8.5% |
Complies (HPLC) |
|
Heavy metals |
90%---102% |
Complies (HPLC) |
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Water |
≤6.0% |
Complies (K.F) |
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Residual solvents |
|
|
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- methanol |
≤3000ppm |
Complies (HPGC) |
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- acetic acid |
≤5000ppm |
Complies (HPGC) |
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- pyridine |
≤200ppm |
Complies (HPGC) |
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Assay |
|
|
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MICROBIOLOGICAL TEST |
STANDARD |
RESULT |
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Total microbial count |
≤1000cfu/g |
Complies |
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Yeast & mold |
≤100cfu/g |
Complies |
|
E.Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Other |
STANDARD |
RESULT |
|
Shelf life |
2 Years |
Complies |