FOOD SCIENCE 97


Randox Food Diagnostics were used. Simultaneous competitive chemiluminescent immunoassays were employed. Before application to the biochip, honey samples were prepared using a simple solvent extraction method. Results from the analysis of honey samples showed a broad specificity profile for nitroimidazoles as indicated by the cross-reactivity values (Fig. 1). Te assay standardised to chloramphenicol also detected chloramphenicol glucuronide (Fig. 2).


Limits of detection for this


study were stated as 0.9ppb for metronidazole and 0.1ppb for chloramphenicol. While this particular study


shows capability in the honey industry, BAT is also applicable to the multiplex screening of other drug residues in other matrices and companies in the meat, seafood, dairy and mycotoxin testing markets are routinely using it as an essential


aspect of their quality assurance programmes. Tis showcases not only the performance of the technology, but also the versatility which represents a leap forward in terms of the future of drug residue screening in the


international food industry. For more information ✔ at www.scientistlive.com/eurolab


Chloramphenicol assay specificity


Gary Smith is with Randox. www.randoxfooddiagnostics.com


U C T


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Go to unitedchem.com to download the complete edible analysis application and to learn more.


For more information ✔ at www.scientistlive.com/eurolab


UCT’s QuEChERS approach effectively cleans up: Oil / Sodas / Tea / Gummies / Chocolates / Brownies / Other challenging edible matrices


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