FDA validated ecofriendly HPTLC method for quantification of Florfenicol and Meloxicam in bovine tissues with sustainability assessment

Résumé

Meloxicam and Florfenicol, two pharmacologically distinct agents with anti-inflammatory and antibacterial properties, respectively, have attracted considerable interest in veterinary medicine due to their therapeutic efficacy and safety profiles, particularly in cattle and poultry. In this study, a cost-effective and straightforward thin-layer chromatography (HPTLC) densitometric method was developed for the simultaneous Quantification of these drugs in both pharmaceutical formulations and spiked bovine muscle samples, with the aim of monitoring tissue residues. The chromatographic separation was achieved using a mobile phase consisting of glacial acetic acid, methanol, triethylamine, and ethyl acetate (0.05: 1.00: 0.10: 9.00, by volume). Densitometric detection was performed at 230 nm, with Esomeprazole (ESO) employed as an internal standard to compensate for potential wavelength fluctuations. Method validation was conducted in accordance with ICH guidelines, demonstrating Linearity within the ranges of 0.03-3.00 µg/band for meloxicam and 0.50-9.00 µg/band for Florfenicol. This method offers a reliable analytical tool for regulatory and surveillance purposes, contributing to public health protection and food safety by enabling the detection of veterinary drug residues in edible tissues. The environmental impact of the method was evaluated using five greenness assessment tools, including greenness, whiteness, and blueness metrics, confirming its eco-friendly nature.

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