Routine pesticide and fungicide use in the United States, as well as abroad warrants the need for analytical techniques that can rapidly screen and quantify residues in order to efficiently sample products before reaching the consumer market.  The allowable residue levels of pesticides on produce that are processed into juices are governed by the US EPA Code of Federal Regulations that sets tolerance levels based on the commodity.  Of particular interest in the United States, carbendazim was found in imported orange juice from Brazil, where the use of the fungicide is legal.  The US does not permit the use of carbendazim on any citrus fruits and therefore any imported citrus juice is held to the same regulation.  Ambient ionization offers the ability to screen produce and juice samples directly in seconds and with automated sample introduction quantitative measurements can be assessed using direct analysis in real time (DART) mass spectrometry.

Rapid pesticide screening from fruit surfaces and direct quantitation of Carbendazim and other pesticides in fruit juices by Direct Analysis in Real Time (DART) mass spectrometry

244th National Meeting (2012)

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