L-Carnosine
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Packaging: 25 KG/DRUM
Storage: Keep in a cool, dry place
Shelf life: 24 Months
| Items | Standards |
| Appearance | White or off-white powder |
| Assay(%) | 99.0 to 101.0 |
| Particle size | 100% Pass 100mesh |
| Melting Point( ℃ ) | 250 - 265 |
| Specific rotation(°) | 20 - 22 |
| Loss on drying(%) | 1.0 Max |
| Residue on ignition(%) | 0.1 Max |
| pH | 7.5 - 8.5 |
| Bulk density(g/ml) | 0.25 Min |
| Heavy metals(ppm) | 2.0 Max |
| Pb(ppm) | 0.5 Max |
| As(ppm) | 1.0 Max |
| Cd(ppm) | 1.0 Max |
| Hg(ppm) | 0.1 Max |
| L-histidine(%) | 1.0 Max |
| Beta-alanine(%) | 0.1 Max |
| TPC(cfu/g) | 1000 Max |
| Yeast & Mold(cfu/g) | 100 Max |
| E.Coli | Neg |
| Salmonella | Neg |
L-Carnosine is a dipeptide of the amino acids beta-alanine and histidine. It is highly concentrated in muscle and brain tissues.
Carnosine can increase the Hayflick limit in human fibroblasts, as well as appearing to reduce the telomere shortening rate. Carnosine is also considered as a geroprotector.
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