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Evaluation of Headspace Gas Sensing Techniques for Quality Assessment of Beef Using An Electronic Nose
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org
Citation: Paper number 036184, 2003 ASAE Annual Meeting . (doi: 10.13031/2013.15421)Authors: Ryan Nord, Suranjan Panigrahi
Keywords: Electronic nose, artificial nose, flow configuration, gas sensing, food quality, mixed metal oxide semiconductor (MMOS) gas sensors, hydrogen sulfide, beef, dynamic features, meat quality
A multidisciplinary research initiative has been developed to adapt and evaluate different electronic nose systems for quality assessment of lean, fresh beef. Various sensor technologies are being evaluated, including mixed metal oxide semiconductor sensors incorporated into a reconfigurable sample flow electronic nose system. Moreover, a preliminary study evaluates how three different sensing flow configurations affect sensor output. Hydrogen sulfide calibration gas was chosen as a controlled concentration sample gas representative of beef spoilage. Configurations were compared using ANOVA techniques at a 95% confidence interval for a completely randomized design with three configuration treatments and five replications per treatment. Results of the statistical analysis reflecting the relationships among sensing flow configurations and extracted dynamic features are described. The performance of the MMOS-based e-nose for assessing beef spoilage over several days is also reported.
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