Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Comparisons of Properties, In Vitro Anti-Mutagenicity, and Anti-Cancer Effects of Short-Term Fermented Soybean Foods (Chungkukjang, Shuidouchi, and Natto)

콩 발효 식품(청국장, 물두시, 낫또)의 특성, In Vitro 항돌연변이 및 항암 효과

  • Zhao, Xin (Chongqing Collaborative Innovation Center of Functional Food, Chongqing University of Education) ;
  • Ju, Jaehyun (Department of Food Science and Biotechnology, Cha University) ;
  • Park, Kun-Young (Chongqing Collaborative Innovation Center of Functional Food, Chongqing University of Education)
  • 조흔 (충칭제2사범대학교 충칭시기능성식품협동혁신센터) ;
  • 주재현 (차의과대학교 식품생명공학과) ;
  • 박건영 (충칭제2사범대학교 충칭시기능성식품협동혁신센터)
  • Received : 2017.06.21
  • Accepted : 2017.08.30
  • Published : 2017.10.31
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Abstract

The general characteristics, anti-mutagenicity, and in vitro anti-cancer effects of Chungkukjang, Shuidouchi, and Natto were studied. Representative brands of the three types of soybean-based short-term-fermented foods were chosen and evaluated. Chungkukjang showed the highest amino and ammonia type nitrogen contents, although Natto exhibited lower levels, and Shuidouchi showed the lowest pH and high acidity. Anti-mutagenicity was assessed by the Ames test and in vitro anti-cancer effects were assessed in HT-29 human colon cancer cells. Chungkukjang exhibited the highest anti-mutagenicity and anti-cancer effects. Based on these results, Chungkukjang showed the best functional effects, and Shuidouchi showed better functional effects than Natto. Even if such efficacies depend on raw materials and processing methods, our comparison of three types of foods from representative brands shows that Chungkukjang was the best soybean-derived product in terms of overall quality, followed by Shuidouchi and Natto. These results might be due to differences in duration of fermentation, processing method, and quality of raw materials, but further research on the basis of ethnic culture and administration method of each nation should follow.

본 연구에서는 콩에서 유래한 단기 발효식품인 청국장, 물두시, 낫또 제품 중 대표적인 제품을 각각 하나씩 선택하여 이들의 일반적 특성과 항돌연변이 효능 및 항암 효능을 비교 연구하였다. 청국장은 아미노태 질소 및 암모니아태 질소의 함량이 높았으나, 낫또는 그 함량이 낮게 나타났다. 물두시의 경우 여타 발효식품에 비해 pH가 낮고 산도가 높았다. Ames test 및 HT-29 인체 대장암세포를 이용한 실험에서는 청국장이 우월한 항돌연변이 및 항암 효능을 나타냈다. 이상의 결과로 볼 때 청국장은 전반적으로 기능성이 우수한 것으로 나타났으며, 물두시는 낫또에 비해 기능성이 더 나은 것으로 나타났다. 이는 발효 기간의 차이, 제조방식, 원재료의 품질 등에 의한 것으로 여겨지며, 향후 각국의 식문화 및 조리 방식 등의 차이에 기초를 둔 추가적인 연구가 필요할 것으로 여겨진다.

Keywords

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