carnosine L-carnosine carnosine powder
Assay 99.0% ~101.0% USP27 99.65% |
Identification |
Standardization |
|
Result |
Aspect |
White fine powder |
|
Complied |
Particle size |
NLT 95% through 80 mesh |
|
Complied |
Bulk density |
0.25-0.35g/ml |
|
0.27g/ml |
Loss on drying |
1.0% max. |
|
0.28% |
Residue on ignition |
0.10% max. |
|
0.03% |
Specific rotation |
+20°~+22° |
|
21.5° |
Melting Point |
250℃ ~265℃ |
|
Complied |
pH |
7.5-8.5 |
|
8.2 |
L-Histidine |
1.0% max. |
|
Complied |
B-Alaninie |
0.1% max. |
|
Complied |
Heavy metals |
10ppm max. |
|
Complied |
Pb |
≤3ppm |
|
Complied |
As |
≤1ppm |
|
Complied |
Cd |
≤1ppm |
|
Complied |
Hg |
≤0.1ppm |
|
Complied |
Total aerobic count |
Not more than 10000cfu/gram |
|
170cfu/gram |
Yeast & Mold count |
Not more than 500cfu/gram |
|
10cfu/gram |
E. Coli |
None detected |
|
Complied |
Salmonella |
None detected |
|
Complied |
Staphylococcus aureus |
None detected |
|
Complied |
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