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Sulphonamides and chloramphenicol antibiotics were analysed by using liquid chromatography-tandem mass spectrometry (LC-MS/MS) in sea and farmed prawn (Penaeus monodon) samples obtained from the coastal region of southern India during 2011-2012. Average recoveries were 77-99% and precision was between 1% and 8%. The results revealed that in sea prawn samples neither of the two antibiotics was detected, but in farmed samples from coastal Andhra Pradesh some sulphonamides were detected in a concentration range greater than the maximum residual limit as set by Council Directive 2377/90 EC.
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Palaniyappan et al. (2013) studied this question.
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