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KMID : 0380620220540020235
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Korean Journal of Food Science and Technology
2022 Volume.54 No. 2 p.235 ~ p.240
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Investigation of microbial contamination in meal kit products purchased via online shopping
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Lee Seung-Hun
Nam Su-Jin
Kim Dong-Woo
Kim Gi-Ryeon
Park Seon-Jeong
Lee Eun-Ji
Je Hyeon-Ji
Koo Ok-Kyung
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Abstract
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In this study, the delivery conditions and microbial contamination in Mille-feuille Nabe and fresh spring roll meal kits purchased online were assessed. The average surface temperature on the product arrival was 14.4oC. The average number of total aerobic bacteria and coliforms in Mille-feuille Nabe was 3.27 log CFU/g and 1.27 log CFU/g, respectively, in meat, and 6.66 log CFU/g and 2.94 log CFU/g, respectively, in vegetables. The average number of total aerobic bacteria and coliforms in fresh spring rolls was 3.82 log CFU/g and 1.93 log CFU/g in meat, and 5.62 log CFU/g and 3.31 log CFU/g in vegetables, respectively. Escherichia coli was detected in bok choy and perilla leaves, with an average of 0.86 log CFU/g. Salmonella spp. and E. coli O157:H7 were not detected in any of the samples; however, Listeria monocytogenes was detected in all three beef samples. Therefore, before consuming meal kits, sufficient washing and heating are recommended to prevent occurrences of food poisoning.
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KEYWORD
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meal kit, online shopping, foodborne pathogens, total aerobic count, coliform
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