TITLE

APPLICATION OF NEAR INFRARED SPECTROSCOPY FOR RAPID NONINVASIVE DETECTION OF LISTERIA MONOCYTOGENES, ESCHERICHIA COLI AND STAPHYLOCOCCUS AUREUS GROWTH IN FOODS

AUTHOR(S)
DASKALOV, H.; ATANASSOVA, S.; STOYANCHEV, T.; SANTO, R.
PUB. DATE
September 2011
SOURCE
Bulgarian Journal of Veterinary Medicine;Sep2011, Vol. 14 Issue 3, p150
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Meat and cheese samples, artificially contaminated by three bacterial species: Listeria monocytogenes, Escherichia coli and Staphylococcus aureus were investigated by both microbiology and near infrared spectroscopy (NIRS). The incubation of samples at 8 °C for 14 days did not result in significant increase in the number of inoculated microorganisms. During the entire experimental period, microbial counts remained within 10 -10 CFU/g product. Regardless of the low bacterial contamination, NIRS analysis has successfully distinguished the contaminated samples by the SIMCA model and exhibited specific spectral differences that could be used to differentiate the specific classes according to the bacterial species.
ACCESSION #
65826789

 

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