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Development and validation of new microbiological analytical method for analysis of Gemifloxacin mesylate in pharmaceutical formulation

Asian Journal of Pharmaceutical and Health Sciences,2020,10,3,2328-2333.
Published:November 2020
Type:Original Article
Authors:
Author(s) affiliations:

Y Padmavathi, Ravi Kiran Alvala*, Gosika Srinitha, N Raghavendra Babu, Sana Fathima, A Divya

Department of Pharmaceutical Analysis, G. Pulla Reddy College of Pharmacy, Hyderabad, Telangana, INDIA.

Abstract:

The gemifloxacin mesylate is a fourth-generation synthetic broad-spectrum fluorinated quinolone antibacterial agent for oral administration indicated for infections caused by gram positive and gram-negative micro-organisms. Although this drug is studied and researched regarding the antimicrobial activity, pharmacokinetics and pharmacodynamics, there are few studies regarding the development of analytical methodology for this antibiotic. This study describes the development and validation of a microbiological analytical method using the turbidimetric method for the determination of gemifloxacin mesylate in tablets, using Staphylococcus epidermidis NCIM 2493 as test microorganism and compared with an HPLC method which was optimized and partially validated according to ICH guidelines. The developed and validated method showed excellent results of linearity, precision and robustness, in the concentration range from 0.5 to 4.5µg/mL. The microbiological analytical method can be used for routine quality control analysis of gemifloxacin mesylate in dosage forms.

Fig. 2 Calibration curve of pure gemifloxacin mesylate