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KMID : 0881720150300010028
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Journal of Food Hygiene and Safety
2015 Volume.30 No. 1 p.28 ~ p.34
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Investigation of Microbiological Hazard from Korean Leeks and Cultivation Area to Establish the GAP Model
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Park Sang-Gon
Choi Young-Dong
Lee Chae-Won
Jeong Myeong-Jin
Kim Jeong-Sook
Chung Duck-Hwa
Shim Won-Bo
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Abstract
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This study is to investigate microbiological hazards which can be used as fundamental data to adequately control leeks hazards and develop leeks GAP model for those who want to get GAP system. The microbiological investigations on cultivation environments (soil and water), crops (leeks), personal hygiene (workers’ hands, clothes and gloves) and working tools (boxes) have been conducted for one year, so the period was classified under non-cultivation, cultivation, and post harvest. Total bacteria was detected from soil (4.0~6.7 log CFU/g), leeks (4.6~5.1 log CFU/g), hands (ND~3.3 log CFU/hand) and gloves (ND~5.4 log CFU/cm2 ) while nothing was detected from the other samples. The coliform contamination of leeks (4.8~5.0 log CFU/g) was more high than that of soil (3.9~4.2 log CFU/g). In case of foodborne pathogens, only B. cereus was detected at the level of 0.5~4.6 log CFU/g (or hand, 100 cm2 ). Fungi was observed at the level of 2.1~3.8 log CFU/g (or hand, 100 cm2 ) excepting water and some working tools. These results demonstrate that the contamination of leeks is comparatively higher than that of soil sample. The reason may be the cross-contamination by biological hazards presenting on soil. Therefore, it is necessary to properly control soil and fertilizer for safety against biological hazards.
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KEYWORD
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good agricultural practices (GAP), leek, microbial contamination, microbial hazard
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