The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Influences of Squid Ink Added to Low Salt Fermented Squid on Its Changes in Lactic Acid Bacteria

저염 오징어 젓갈의 숙성 중 오징어 먹즙 첨가가 젖산균의 변화에 미치는 영향

  • Oh, Sung-Cheon (Dept. of Food & Pharmacy, Daewon University College)
  • 오성천 (대원대학교 제약식품계열)
  • Received : 2013.09.30
  • Accepted : 2013.11.07
  • Published : 2013.12.31
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Abstract

This study measured the change of lactic acid bacteria during the ripening fermentation process of low salt fermented squid with no squid ink added. All study groups showed increase of Leuconostoc and rapid growth of total plate count at the beginning stage of ripening and the maximum microbial count showed at the optimum stage of ripening which gradually reduced after the optimum stage. It is believed that Lactobacillus occupied the major part of the total plate count after the optimum stage of the squid fermentation, and it was related to the quality after the optimized ripening stage. Streptococcus and Pediococcus were gradually increased until the optimum stage of the ripening, and then decreased rapidly. Yeasts were detected in the middle stage of the fermentation and rapid increase was shown after the last stage of the fermentation which suggests that yeasts participate in putrefaction of the low salt fermented squid. The change of lactic acid bacteria observed during the ripening fermentation of low salt fermented squid with squid ink added was that the total plate count increased until ripening middle stage but showed a tendency to slightly reduce after the middle stage. The length of time to reach the maximum value was longer than the no treatment groups. Among the lactic acid bacteria, Leuconostoc, Streptococcus and Pediococcus has increased until the middle stage of the ripening while Lactobacillus constantly increased to the end part of the ripening. Yeasts had no increasing in the early ripening stage, but after middle of the ripening, it started to increase. That kind of tendency was similar to the case of no treatment groups. However, the amount of lactic acid bacteria tended to be less than no treatment groups. The tendency of decreasing number of all bacteria in low salt fermented squid with squid ink added shows squid ink restricts the growth of all bacteria.

오징어 먹즙을 첨가하지 않은 저염 오징어 젓갈은 숙성 발효에 따라 숙성 초기에 젖산균 총수가 급속히 증가하고, Leuconostoc이 증가하여 숙성 적기에 최대량을 나타내고 이후 서서히 감소하였다. Lactobacillus는 숙성 적기 이후의 총 균수의 대부분을 차지할 만큼 균수가 많아지므로 숙성 적기 이후 품질에 관여하는 것으로 보인다. Streptococcus와 Pediococcus는 숙성 적기까지 완만하게 증가하다가 이후 급격히 감소하였다. Yeast는 숙성 중기 이후에 검출되고, 숙성 말기에 급격히 증가하므로 부패에 주로 관여하는 것으로 보인다. 오징어 먹즙을 첨가한 저염 오징어 젓갈의 숙성발효에 따른 젖산균의 변화를 보면 총 균수는 숙성 중반까지 증가하다가 중반 이후 약간 감소하였으나, 최대치에 도달하는 기간은 무 첨가군에 비하여 길었고, 젖산균 중 Leuconostoc, Streptococcus 및 Pediococcus는 숙성 후반까지 증가하였다가 후반에 감소하는 반면에, Lactobacillus는 숙성 후반까지 계속 증가하였다. Yeast는 숙성 초기에는 거의 증가하지 않다가 숙성 중반 이후 증가하였는데, 이러한 경향은 무 첨가군과 유사하였으나 젖산균의 수가 무 첨가군에 비하여 적었다. 오징어 먹즙을 첨가한 저염 오징어 젓갈에서 모든 균들의 수가 감소되어 오징어 먹즙이 균들의 성장을 억제하는 것으로 확인되었다.

Keywords

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