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17 May 2013 Inspection of fecal contamination on strawberries using fluorescence imaging
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Fecal contamination of produce is a food safety issue associated with pathogens such as Escherichia coli that can easily pollute agricultural products via animal and human fecal matters. Outbreaks of foodborne illnesses associated with consuming raw fruits and vegetables have occurred more frequently in recent years in the United States. Among fruits, strawberry is one high-potential vector of fecal contamination and foodborne illnesses since the fruit is often consumed raw and with minimal processing. In the present study, line-scan LED-induced fluorescence imaging techniques were applied for inspection of fecal material on strawberries, and the spectral characteristics and specific wavebands of strawberries were determined by detection algorithms. The results would improve the safety and quality of produce consumed by the public.
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Yung-Kun Chuang, Chun-Chieh Yang, Moon S. Kim, Stephen R. Delwiche, Y. Martin Lo, Suming Chen, and Diane E. Chan "Inspection of fecal contamination on strawberries using fluorescence imaging", Proc. SPIE 8881, Sensing Technologies for Biomaterial, Food, and Agriculture 2013, 88810G (17 May 2013);

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