It is an aquatic preparation extracted from natural chitin. As medicine's raw material, it can promote the synthesis of mucopolysaccharides,advance the viscosity of synovia, and improve the metabolism of arthroidal cartilage with evident effect of relieving inflmmation and easing pain.It can be as a nutritive food of diabetes, cure enteritis instead of cortisol and has some curative effect on rheumatoid arthritis and hepatitis Bbecause it can promote antibiotic injiection efficacy. A new water-soluble medicine derived synthetic from it which has the anti-cancer character and can control maeeow's toxicity, has some curative effect on melanoma, lung cancer and renal carcinoma. Besides, it is used in cosmetic.feed and food additive industry. Therefore it is very popular in the internation market.
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USP 30 |
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Items |
Specification |
Test method |
Results |
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Properties (physical) |
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Appearance |
White crystalline,free flowing powder |
USP30<695> |
Complies |
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Odour |
Odourless |
Complies |
Complies |
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Bulk density |
NLT0.70g/ml |
USP30<616> |
0.71g/ml |
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As tapped density |
Meet the requirements of USP30 |
USP30<616> |
Complies |
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Particle size |
100% through 30 mesh |
USP30<811> |
Complies |
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Analytical properties |
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Assay (HPLC) |
98.0%-102.0%(on the dried basis) |
USP30-P2100(A)-<621> |
99.23% |
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Identification |
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A:Infrared absorption |
Meet the requirement |
A:USP30-P2100<197K> |
Complies |
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B:Tests for chloride |
Meet the requirement |
B:USP30<191> |
Complies |
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C:Retention time in the assay |
Corresponds to the reference standard |
C:USP30-P2100-<621> |
Complies |
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Transm |
Min 90.0%(10.0%Water Solut.-450nm) |
USP30<197> |
98.4% |
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Absorb |
Max0.25a.u.(10.0% Water Solut.-280nm) |
USP30<197> |
0.05a.u. |
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Specific rotation |
+70.00°～+73.00° |
USP30<781S> |
+71.97° |
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PH(20mg/ml.aq.sol.) |
3.0-5.0 |
USP30<791> |
4.11 |
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Loss on drying |
NMT0.5% |
USP30<731> |
0.06% |
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Residue on ignition |
NMT0.1% |
USP30<281> |
0.03% |
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Chloride(Cl) |
16.2%-16.7% |
USP30<221> |
16.65% |
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Sulfate |
NMT0.24% |
USP30<221> |
Complies |
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Heavey meatals |
NMT10ppm |
USP30<231>Ⅱ |
Complies |
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Iron(Fe) |
NMT10ppm |
USP30<241> |
Complies |
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Lead |
NMT0.5ppm |
USP30<251> |
0.18ppm |
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Arsenic(As) |
NMT3.0ppm |
USP30<211>Ⅱ |
Complies |
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Mercury |
NMT0.5ppm |
USP30<261> |
0.08ppm |
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Organic volatile impurities |
Meet the requirements |
USP30<467>Ⅰ |
Complies |
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Microbial |
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Total aerobic |
NMT 1,000cfu/g |
USP30<61> |
NMT100cfu/g |
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Yeast&Mold |
NMT 100cfu/g |
USP30<61> |
NMT30cfu/g |
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E.Coli |
Negative in 1g |
USP30<61> |
Negative |
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Salmonella |
Negative in 1g |
USP30<61> |
Negative |
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Staphylococcus auresus |
Negative in 10g |
USP30<61> |
Negative |
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Enterobacteria&other gram neg |
NMT 100cfu/g |
USP30<61> |
NMT30cfu/g |
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Contact：Ethan，Email：ethan@gardenchem.com |
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