Development and validation of high pressure liquid chromatography methods for the determination of quinolones in various edible tissues, products of food-producing animals and pharmakeutical formulations
Abstract
In the present work, different methods for the analysis of human and veterinary pharmaceutical formulations of quinolones and for the multi-residue determination of quinolones in various edible tissues and products of food-producing animals using HPLC, are developed. Ten quinolones are examined herein: enoxacin, ofloxacin, norfloxacin, ciprofloxacin, danofloxacin, enrofloxacin, sarafloxacin, oxolinic acid, nalidixic acid and flumequine. The method has initially been developed for the separation of the examined quinolones in standard solution, using an HPLC system of Shimadzu with a gradient pump LC-9A and an SPD - M6A detector. The analytical column was a C18 PerfectSil®Target ODS-3 (250 x 4 mm, 3&5 μm), provided by MZ-Analysentechnik. The mobile phase was a mixture of Α: TFA 0.1%, B: CH3CN and C: CH3OH delivered to the system by a gradient program, at a constant flow rate of 1.3 mL/min. The chromatogram was monitored at 275 nm for ENO, OFL, NOR, CIP, DAN, ENR and SAR and at 255 nm for ...
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