Research Article
Characterization of the Antibiotic Compound No. 70 Produced by Streptomyces sp. IMV-70
Table 2
Physical-chemical characteristics of antibiotic 70-A.
| | UV range (EtOH), λ max, nm (E1%1 cm) | 300 (84) |
| | UV range (H2O), λ max, nm (E1%1 cm) | 340 (80) |
| | HPLC on “Knauer” (Germany), column 4 × 150 mm filled with sorbent “Chromasil A-100 C-18, 5 mcm” (BioChimMac, Moscow), retention time, min. | 17.85 |
| | Purity of the preparation according to HPLC data | 95% |
| | Molecular mass, method MS MALDI-TOF m/z | 879 (M+H)+, 901 (M+Na)+, 917 (M+K)+ |
| TLC, Kieselgel 60 (Merck) plates
System: chloroform-benzene-methanol (30 : 20 : 7) | 0.64 |
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