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KMID : 0881720150300030249
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Journal of Food Hygiene and Safety
2015 Volume.30 No. 3 p.249 ~ p.257
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Effects of Small Scale Post-Harvest Facility and Hygiene Education on the Level of Microbial Safety in Korean Leeks Production
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Kim Se-Ri
Kim Jin-Bae
Lee Hyo-Sup
Lee Eun-Sun
Kim Won-Il
Ryu Song-Hee
Ha Ji-Hyoung
Kim Hwang-Yong
Ryu Jae-Gee
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Abstract
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The purposes of this study were to develop a small scale post-harvest facility, and consequently to evaluate the effects of applying the facility along with hygiene education on the level of microbial safety in Korean leeks production. A total of 135 samples were collected at three Korean leeks farms in Yangju, Gyeonggi province. Food safety indicators (Aerobic plate count (APC), coliform count, and Escherichia coli) and foodborne pathogens (E. coli O157:H7, Salmonella spp., Staphylococcus aureus, Listeria monocytogenes, and Bacillus cereus) on/in the samples were assessed. The microbial load measured as APC with harvesting tools such as comb, chopping board, and knife, at the farms where the small scale post-harvest facility had been operated (Farms A and B) was lower than that at another farm having no post-harvest facility (Farm C) by 1.44~2.33 log CFU / 100 cm2 . Moreover, the chopping board from Farm C was observed being contaminated with B. cereus at 6.03 log CFU / 100 cm2. The coliform counts from the samples increased by 0.57~1.89 log CFU/g after leeks was submerged in ground water for washing. E. coli was recovered from leeks, soil, and the ground water used in the washing process, while no E. coli O157:H7, Salmonella spp., and L. monocytogenes was detected. Our results indicated that the small scale post-harvest facility developed in this study as well as the hygiene education played an important role in enhancing the level of microbial food safety in the leeks production environment. However, a disinfection technique could be needed during the washing step in order to prevent a potential contamination.
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KEYWORD
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Korean leeks, microorganisms, small scale post harvest facility
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Listed journal information
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