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An Automated Headspace Sampling system for Meat Safety

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2007 ASAE Annual Meeting  073101.(doi:10.13031/2013.23248)
Authors:   Lav R Khot, Suranjan Panigrahi, Jacob S Glower, Parimita Bhattacharyajee, Young Chang, Julie Sherwood, Catherine Logue
Keywords:   Automated headspace sampler, electronic nose, gas chromatography/mass spectroscopy, volatile organic compounds

In case of meat contamination studies, the volatile organic compounds (VOCs) generated by microorganisms provide important information about the presence of pathogenic bacteria in meat. Our current meat contaminations experiments have used headspace output of meat packages at 24 h intervals. However, it is also important to observe the VOC pattern change at every 3-4 h interval. This paper describes a specially designed automated headspace sampler to extract headspace from control and Salmonella spiked meat at user defined time intervals (4h, 8h and 12h) under anaerobic conditions. The collected headspace samples were analyzed by Gas Chromatography/Mass Spectroscopy (GC/MS) and TF-module electronic nose sensor.

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