Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Evaluation of the Microbiological Safety for the Seawater in a Part of the South Coast, Korea

남해안 일부해역 해수의 세균학적 위생안전성 평가

  • Park, Yeong Min (Department of Seafood and Aquaculture Science / Institute of Marine Science, Gyeongsang National University) ;
  • Yoon, Hyun Jin (Department of Seafood and Aquaculture Science / Institute of Marine Science, Gyeongsang National University) ;
  • Ham, In Tae (Department of Seafood and Aquaculture Science / Institute of Marine Science, Gyeongsang National University) ;
  • Yoo, Hean Jae (Department of Seafood and Aquaculture Science / Institute of Marine Science, Gyeongsang National University) ;
  • Choi, Jong-Duck (Department of Seafood and Aquaculture Science / Institute of Marine Science, Gyeongsang National University)
  • 박영민 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 윤현진 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 함인태 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 유헌재 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 최종덕 (경상대학교 해양식품생명의학과/해양산업연구소)
  • Received : 2015.08.17
  • Accepted : 2015.12.09
  • Published : 2015.12.30
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Abstract

This study was designed to evaluate the sanitary characteristics of sea water in a part of the south coast, Korea and to check the seawater which is in compliance with the recommended bacteriological criteria for shellfish cultivation. The samples of sea water were collected at 14 sampling stations established in the survey area between March 2014 and October 2014. Food poisoning caused by seafood consumption is often associated with pathogenic microorganisms originated from fecal contamination. Therefore, fecal coliform is very important criteria for evaluating the safety of fisheries in coastal areas. The range of geometric mean (GM) and the estimated 90th percentile values of total coliform were 4.1~83.1 MPN/100 mL, and 11.7~834.1 MPN/100 mL, respectively. The GM and the estimated 90th percentile values of fecal coliform were 2.5~22.7 MPN/100 mL and 2.5~170.0 MPN/100 mL, respectively. Therefore, the bacteriological safety of seawater at this shellfish-growing area met with the Korean Shellfish Sanitation Program (KSSP) criteria for a growing area. However, the values are seasonally exceed the KSSP criteria, suggesting that the monitoring and evaluation of seawater quality is very important in shellfish-growing area.

이 연구는 패류가 다량으로 양식되고 있는 남해안 일부해역 해수의 세균학적 위생안전성을 평가하기 위하여 조사해역 내에 영향을 줄 수 있다고 판단되는 해수 14곳을 선정하여 2014년 3월부터 10월까지 총 6차례 조사를 실시하였으며 그 결과는 다음과 같다. 해수는 수온이 평균 $21.2^{\circ}C$, 염분농도는 32.43‰, pH는 7.92, 용존산소는 7.83 mg/L으로 조사되어 우리나라 수질환경기준으로 볼 때 1등급으로 조사되었다. 전도도는 44,600 us/cm, 탁도는 1.93 NTU로 조사되었다. 남해안 일부 조사해역 해수의 위생학적 안전성을 조사한 결과 대장균군은 평균 < 1.8~790 MPN/100 mL, 90번째 값이 168.1 MPN/100 mL, 기하학적 평균이 12.8 MPN/100 mL으로 나타났고, 분변계대장균은 < 1.8~790 MPN/100 mL, 90번째 값이 50.5 MPN/100 mL, 기하학적 평균값이 6.5 MPN/100 mL로 조사되어 정착성 수산물 생산해역 위생관리기준 중 청정해역의 기하학적 평균 기준치인 14 MPN/100 mL를 넘지 않아 청정해역으로 나타났다. 그러나 5월과 7월에 43 MPN/100 mL를 초과하는 시료가 35.7%와 28.6%로 KSSP 기준치인 10%를 초과하여 계절에 따라서 다소 차이가 있는 것으로 나타났다. 조사해역은 폐쇄성 내 만으로 적은 오염원에도 크게 영향을 받을 수 있으므로 계절에 따라서 철저한 해역의 관리가 요구되었다.

Keywords

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