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KMID : 1007520210300101393
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Food Science and Biotechnology
2021 Volume.30 No. 10 p.1393 ~ p.1401
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Evaluation of microbiological quality and safety of fresh-cut fruit products at retail levels in Korea
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Jang A-Ra
Han A-Reum
Lee So-Yul
Jo Su-Young
Song Ha-Na
Kim Dan-Bi
Lee Sun-Young
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Abstract
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The risk of foodborne illnesses caused by pathogens could be increased in fresh-cut fruit products owing to contamination during processing. Therefore, this study was conducted to investigate the microbiological quality and safety of commercial fresh-cut fruit products in Korea. Additionally, the growth of Listeria monocytogenes in selected fresh-cut fruits was evaluated, and their growth curves were analyzed using predictive growth modeling. The mean count of total aerobic bacteria, coliforms, and yeast/mold was 3.67±1.73 log10 CFU/g, 1.54±1.01 log10 CFU/g, and 3.81±1.51 log10 CFU/g, respectively. Escherichia coli, Staphylococcus aureus, Escherichia coli O157:H7, L. monocytogenes, Salmonella spp., and Cyclospora spp. were not detected in any of the tested samples. Only Bacillus cereus was detected in a few samples at the mean level of 1.72±0.13 log10 CFU/g. The growth of L. monocytogenes varied depending on the type of fruit; they grew well in non-acidic fresh-cut fruit products during storage at 10 °C.
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KEYWORD
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Fresh-cut fruit products, Microbiological quality, Microbial safety, Low temperature storage, Predictive growth modeling
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