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KMID : 0380620110430020243
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Korean Journal of Food Science and Technology
2011 Volume.43 No. 2 p.243 ~ p.248
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Distribution of Microorganisms in Perilla Leaf and Cultivation Area
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Kim Se-Ri
Lee Ji-Young
Lee Seo-Hyun
Ko Hyeon-Seok
Yoon Yo-Han
Kwon Se-Hyug
Ryu Kyoung-Yul
Yoon Hye-Jeong
Kim Won-Il
Yoon Jong-Chul
Kim Doo-Ho
Chung Duck-Hwa
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Abstract
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The prevalence and distribution of hazardous microorganisms were investigated from the major perilla cultivation area at Milyang, Gyeongnam province, Korea. Aerobic plate count (APC) and coliform count of perilla leaves were 4.82 log CFU/g and 3.85 log CFU/g, respectively. E. coli, S. aureus and B. cereus were detected in 3.0% (4/114), 7.9% (9/114) and 46.5% (53/114) of examined perilla leaves. However, E. coli O157:H7, Salmonella spp, and L. monocytogenes were not detected. The distribution of hazardous microorganisms in perilla leaf cultivation environment were compared and the concentration of APC and coliform counts were more than 3.0 log CFU/(mL, g, 100 cm2, hand) from most of the samples. S. aureus were detected from irrigation water, packing table, packing vinyl, hand, and clothes. Also, B. cereus was frequently detected from the examined samples. Especially, packing table and collection container were contaminated with maximum 5.5 log CFU/100 cm2 of B. cereus. Good Agricultural Practice (GAP) system should be introduced to farms to enhance the safety of perilla leaves.
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KEYWORD
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perilla leaf, Good Agricultural Practice, microorganisms
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