Abstract

A rapid and specific clean-up procedure based on immunoaffinity chromatography for the high-performance liquid chromatographic determination of chloramphenicol (CAP) in swine muscle tissue at the 10 μg kg −1 level is described. For preparation of the columns, monoclonal antibodies against CAP were coupled to cyanogen bromide-activated Sepharose. After immunosorption of CAP from the aqueous meat extract, CAP was eluted with methanol. Mean recoveries from spiked swine muscle tissue were 70 ± 6% (10–50 μg kg −1 spiking levels). The loss of CAP can be completely attributed to the extraction; no loss was observed during the antibody-mediated clean-up.

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