Improved Method for the Determination of Residual Aminoglycoside Antibiotics in Animal Tissues by Electrophoresis and Bioautography

Author:

KONDO FUSAO1,HAYASHI SACHIKO1

Affiliation:

1. Department of Veterinary Public Health, Faculty of Agriculture, Miyazaki University, 1, 1-chome, Kibanadai-nishi, Gakuen, Miyazaki-shi, Japan 889-21

Abstract

The use of agar gel electrophoresis and bioautography for the identification of small amounts of seven aminoglycoside antibiotics (streptomycin, dihydrostreptomycin, kanamycin, bekanamycin, gentamicin, fradiomycin and paromomycin) was studied. The procedure used for the electrophoretic separation of these components is described. The antibiotics were detected with high sensitivity using Bacillus subtilis ATCC 6633 as a test organism, Tris buffer at pH 8.0, and Bacto-Agar as the supporting medium for each of the components. The limits of detection obtained for the various antibiotics ranged between 0.078 and 0.313 μg/ml and the standard deviation ranged from 0.05 and 0.34. Recoveries from extracts of bovine kidney tissue containing each drug ranged from 59.0% to 90.2%. The sensitivity of this method can be adjusted through minor modifications, thus allowing it to be used for routine residual analysis of aminoglycosides in biological samples.

Publisher

International Association for Food Protection

Subject

Microbiology,Food Science

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Residual Antibacterials in Food;Food Science and Technology;2004-07-12

2. Current methodologies for the analysis of aminoglycosides;Journal of Chromatography B: Biomedical Sciences and Applications;2000-09

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