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http://dx.doi.org/10.13103/JFHS.2014.29.4.268

Investigation of Microbial Contamination in Oenanthe javanica at Postharvest Environments  

Kim, Yeon Rok (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Lee, Kyoung Ah (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Choi, In-Wook (Department of Infection Biology, School of Medicine, Chungnam National University)
Lee, Young-Ha (Department of Infection Biology, School of Medicine, Chungnam National University)
Kim, Se-Ri (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Kim, Won-Il (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Ryu, Song Hee (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Lee, Hyo Sub (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Ryu, Jae-Gee (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Kim, Hwang-Yong (Microbial Safety Team, Agro-Food Safety & Crop Protection Department, National Academy of Agricultural Science, Rural Development Administration)
Publication Information
Journal of Food Hygiene and Safety / v.29, no.4, 2014 , pp. 268-277 More about this Journal
Abstract
This study assessed microbiological hazards at postharvest stage of dropwort farms (A, B, C, D, E, F, G, H, I) located in 4 different areas in Korea. The samples were assessed for sanitary indication bacteria (total aerobic bacteria, coliform, and Escherichia coli) and pathogenic bacteria (Escherichia coli O157:H7, Listeria monocytogenes, Staphylococcus aureus and Bacillus cereus). Total aerobic bacteria and coliform in 9 dropwort farms were detected at the levels of 0~7.00 and 0~4.25 log CFU/g, mL, of $100cm^2$. In particular, microbial contamination in worker's hand showed higher than cultivation environment factors. Escherichia coli was detected in several farms of soil, irrigation water, washing water and worker's hand and also, dropwort in these farms was contaminated with E. coli (positive reaction). In case of pathogenic bacteria, B. cereus was detected at the highest levels in soil. S. aureus was detected qualitatively from only one sample of dropwort washed by water. E. coli O157:H7 and L. monocytogenes were not detected. Although dropwort pass through 2 process (trimming and washing), the microbial contamination was not differ significantly before and after which indicates that current washing system was not effect on reduction of microorganism. From these results, the postharvest environment and workers have been considered as cross-contamination factors. Thus, processing equipments and personal hygiene should be managed to reduce the microbial contamination of dropwort. Accordingly management system such as good agricultural practices (GAP) criteria is needed for the safety of dropwort
Keywords
Dropwort; Oenanthe javanica; microbial contamination; good agricultural practices; GAP; postharvest environment;
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Times Cited By KSCI : 17  (Citation Analysis)
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