Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Characterization of Reactions Taken Place by A Mixed Culture of Lactococcus lactis Cells in Cheese Ripening

치즈숙성과정 중의 Lactococcus lactis 혼합균에 의하여 일어나는 반응들의 특성

  • 탁건태 (부산수산대학교 생물공학과) ;
  • 김중균 (부산수산대학교 생물공학과)
  • Published : 1996.03.01
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Abstract

Reactions taken place by a mixed culture of Lactococcus lactis subsp. cremoris KH (lac$^{+}$ prt$^{+}$ ) and KHA (lac$^{-}$ prt$^{-}$ ) and KHA (lac prt ) in cheese ripening have been investigated. Growth characteristics of the mixed culture showed commensalism, and the amounts of proteinases of the mixed culture were small enough. From these results, it is concluded that the production of bitter taste by the mixed culture is a small matter, even if the density of the mixed culture is highly maintained during cheese ripening. Hence, the mixed culture of KH and KHA cells could be a good cheese starter in accelerating the process of cheese ripening.

치즈숙성과정 중에서 Lactococcus lactis subsp. cremoris KH (lac$^{+}$ prt$^{+}$ ) and KHA (lac$^{-}$ prt$^{-}$ )의 혼합균에 의하여 일어나는 반응을 연구하였다. 혼합균의 성장 특징은 한쪽 균의 도움에 의하여 같이 성장하는 특징을 나타내었으며, 이 혼합균의 단백질분해효소의 양은 충분히 적었다. 이 결과로부터 치즈숙성과정 중에 홈합균의 균밀도가 높게 유지되더라도, 이 혼합균에 의하여 생성되는 쓴 맛의 생성량은 큰 문제가 되지 않는다는 결론을 얻을 수 있다. 그러므로, 치즈 숙성 과정을 촉진시키는데 있어서 KHA1의 혼합균은 좋은 치즈스타터균의 하나라고 할 수 있다.

Keywords

References

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