한국식품과학회지 (Korean Journal of Food Science and Technology)

한국식품과학회 (Korean Society of Food Science and Technology)
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새롭게 출현한 Arcobacter butzleri의 유기산과 trisodium phosphate 처리에 의한 생육저해효과

Growth Inhibition of Newly Emerging Arcobacter butzlrei by Organic Acids and Trisodium Phosphate

  • 장정순 (경원대학교 식품생물공학과) ;
  • 이영덕 (경원대학교 식품생물공학과) ;
  • 박종현 (경원대학교 식품생물공학과)
  • Jang, Jung-Soon (Department of Food and Bioengineering, Kyungwon University) ;
  • Lee, Young-Duck (Department of Food and Bioengineering, Kyungwon University) ;
  • Park, Jong-Hyun (Department of Food and Bioengineering, Kyungwon University)
  • 발행 : 2003.12.01
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초록

새롭게 출현한 식중독 세균으로 국내 유통 계육 등에 많이 오염이 되어 있는 Arcobacter butzleri를 제어하기 위해 여러 위생제 처리에 따른 생육영향을 평가하였다. 이들 균체에 1%농도의 유기산과 trisodium phosphate를 5, 10분간 처리한 결과 대부분이 10분 이내에 사멸한 것을 확인할 수 있었으며, 젖산의 경우는 5분 이내에 모든 균주가 사멸하였다. 배양할 때의 유기산의 농도별 생육영향은 1%의 농도로는 1시간 이내에, 0.1%의 농도에서 72시간 이내에 A. butzleri가 사멸한 것을 볼 수 있었으며, trisodium phosphate의 경우 2% 농도에서는 1 시간이내에 사멸하였다. 유기산 중에는 젖산의 생육저해효과가 가장 우수하게 나타났으며 hydrogen peroxide, sodium hypochlorite와 ethanol에 대한 사멸효과를 보았으나, 이 처리제는 효과가 나쁘거나 풍미에 영향을 주어 좋은 처리제라 할 수 없었다. 그리고 마늘과 양파즙에 대한 항미생물 작용에서 마늘에만 생육저해작용을 확인할 수 있었으며, 젖산균이 생산하는 유기산에 의한 낮은 pH에 의한 저해효과를 확인할 수 있었다. 따라서 계육 등의 육가공 및 취급 시에 유기산 및 TSP 등을 이용하여 주요 Arcobacter에 의한 식중독저해가 가능할 것으로 사료되었다.

Growth of a newly emerging pathogen, Arcobacter butzleri, in domestic raw meat was evaluated by various sanitizing agents. One percent of acetic acid, citric acid, lactic acid, and trisodium phosphate (TSP) added to the cell suspension of six A. butzleri strains inhibited their growth within ten minutes, and especially the lactic acid inhibited growth within five minutes. One percent of all the acids at the culture broth inhibited growth completely within one hr. 0.1% of the acids inhibited growth within 72 hr, whereas two percent of TSP had the same effect in one hr. Among the acids, lactic acid had the strongest inhibition activity. Hydrogen peroxide, sodium hypochlorite, and ethanol showed lower inhibiting activities than the above agents. While garlic extract and lactic acid bacteria culture also inhibited A. butzleri, onion extract did not. Therefore, food-borne poisoning of A. butzleri in raw meat could be prevented by organic acid and trisodium phosphate treatments.

키워드

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