| Testing Items |
Specification |
Test Result |
| Characters |
White to light yellow powder |
Conforms |
| Odorless and little bitter |
| Identification |
Sulfuric acid test :solution shows brownish red colour |
Conforms |
| Retention time of four major peaks in the test solution correspond to that of A5, A4 , A1 , A13 peak in standard solution |
| Responds to the tests for tartaric acid |
| pH |
3.0~5.0 |
4.2 |
| Water |
≤ 5.0% |
4.3% |
| Residue on ignition |
≤ 0.5% |
0.13% |
| Kitasamycin components |
KitasamycinA4:5%~25% |
10.4% |
| KitasamycinA1:3%~15% |
4.5% |
| KitasamycinA5:35%~70% |
51.4% |
| KitasamycinA13:3%~15% |
5.8% |
| KitasamycinA9+ A8+ A7+ A11+ A6 A4+ A1+ A3+ A13 ≥ 85% |
86.5% |
| Assay |
≤ 1100u/mg(On dried basis) |
1444.7u/mg |
