Journal of Food Hygiene and Safety (한국식품위생안전성학회지)

The Korean Society of Food Hygiene and Safety (한국식품위생안전성학회)
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Hazard Analysis of Tomato Farms at the Growing Stage for the Establishment of the Good Agricultural Practices (GAP)

토마토 농산물우수관리제도(GAP)모델 확립을 위한 재배단계 위해분석

  • Park, Su-Hee (Division of Applied Life Science(BK 21 program), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Kwon, Woo-Hyun (Division of Applied Life Science(BK 21 program), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Heo, Rok-Won (Division of Applied Life Science(BK 21 program), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Kim, Kyeong-Yeol (Division of Applied Life Science(BK 21 program), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Shim, Won-Bo (Institute of Agriculture and Life Science, Gyeongsang National University) ;
  • Shim, Sang-In (Department of Agronomy, Gyeongsang National University) ;
  • Chung, Duck-Hwa (Division of Applied Life Science(BK 21 program), Graduate School, Institute of Agriculture and Life Science, Gyeongsang National University)
  • 박수희 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 권우현 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 허록원 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 김경열 (경상대학교 응용생명과학부(BK 21 program)) ;
  • 심원보 (경상대학교 농업생명과학연구원) ;
  • 심상인 (경상대학교 농학과) ;
  • 정덕화 (경상대학교 응용생명과학부(BK 21 program))
  • Received : 2012.03.05
  • Accepted : 2012.05.30
  • Published : 2012.06.30
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Abstract

The objective of this study was to analyze hazards for the growing stage of 6 tomato farms (A, B, C; soli farms, D, E, F; Nutriculture farms) located in Gyeongsangnam-do to establish the good agricultural practices (GAP). A total of 144 samples for analyzing hazards collected from cultivation environments (irrigation water, soil, nutrient solution, and air) and personal hygiene (hands, gloves, and cloths) were assessed for biological (sanitary indications and major food borne pathogens) and chemical hazards (heavy metals). Total bacteria, coliform, and fungi were detected at levels of 0.2-7.2, 0.0-6.1, and 0.0-5.4 log CFU/g, mL, hand or 100 $cm^2$, respectively. Escherichia coli were only detected in the soil sample from B farm. In case of pathogens, Bacillus cereus was detected at levels of 0.0-4.4 log CFU/(g, mL, hand or 100 $cm^2$), whereas Staphylococuus aureus, Listeria monocytogenes, E. coli O157, and Salmonella spp. were not detected in all samples. Heavy metals as a chemical hazard were detected in soil and irrigation water, but levels of them were lower than the permit limit. In conclusion, chemical hazard levels complied with GAP criteria, but biological hazards at the growing stage of tomato farms were confirmed. Therefore a proper management to prevent microbial contamination is needed.

본 연구에서는 경남에 소재한 토마토 토경재배농장 3곳 (A, B, C)과 양액재배농장 3곳 (D, E, F)을 대상으로 토마토 재배단계의 재배환경과 개인위생에 대하여 생물학적 및 화학적 (중금속) 위해요소를 분석하였다. 생물학적 위해요소를 분석한 결과 재배환경에서 위생지표세균의 경우 토경재배농장의 토양에서 일반세균과 대장균군이 최대7.2 및 6.1 log CFU/g 검출되었고, 관개용수에서는 1.7 log CFU/mL 이하로 검출되었으며, E. coli의 경우 B농장의 토양에서만 1건 검출되었다. 양액재배농장의 양액과 관개용수에서는 일반세균만 최대 1.4 및 1.8 log CFU/mL수준으로 검출되었다. 개인위생의 경우 일반세균과 대장균군이 토경재배농장에서는 0.4-4.6 log CFU/hand, 100 $cm^2$ 수준으로, 양액재배농장에서는 0.4-5.4 log CFU/hand, 100 $cm^2$ 수준으로 검출되었다. 병원성 미생물은 B. cereus만 토경재배농장의 토양에서 최대 4.4 log CFU/g, 관개용수에서 0.5 log CFU/mL, 개인위생에서 1.0-2.9 log CFU/hand, 100 $cm^2$ 검출되었고, 양액재배농장의 개인위생에서 0.5-2.8 log CFU/hand, 100 $cm^2$ 수준으로 검출되었다. 화학적 위해요소인 중금속(Cd, Cu, As, Hg, Pb, Cr, Zn 및 Ni)은 분석 결과 모두 허용기준치 이하 또는 불검출로 나타났다. 따라서 토마토의 재배단계에서 미생물의 오염으로 인한 위해를 확인할 수 있었으며, 안전성을 확보하기 위해서는 최종산물로까지 발생할 수 있는 모든 위해요소를 파악하고 이를 효율적으로 차단시키기 위한 체계적인 관리방안이 모색되어야 할 것으로 판단된다.

Keywords

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