한국식품저장유통학회지 (Food Science and Preservation)

  • 제23권4호
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  • Pages.459-470
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  • 2016
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  • 3022-5477(pISSN)
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  • 3022-5485(eISSN)
한국식품저장유통학회 (The Korean Society of Food Preservation)
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절임배추 및 김치 양념의 저장기간 중 품질 특성 변화

Changes in quality characteristics of salted Kimchi cabbage and kimchi paste during storage

  • 투고 : 2016.04.29
  • 심사 : 2016.08.11
  • 발행 : 2016.08.30
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초록

절임배추와 양념으로 구성된 제품에 대한 품질 특성 정보를 제고하고, 버무린 형태로 저장된 김치와 절임배추와 양념을 분리 저장한 후 버무린 김치의 품질 특성의 차이를 확인하기 위해 $4^{\circ}C$에서 저장하면서 1주 간격으로 품질특성을 분석하였다. 절임배추의 산도 및 일반세균수 변화 결과, 염수 침지에 따른 절임배추의 품질유지 효과가 나타났으며, 외관 및 관능적 품질 특성 결과를 토대로 염수 침지하지 않은 절임배추의 저장한계는 1주, 염수침지한 절임배추의 저장한계는 2주 이내임을 알 수 있었다. 특히, 염수량이 많을수록 품질 유지에 더욱 효과적이었으며 관능적 특성에서도 다소 높은 점수를 받았다. 양념은 저장 8주 동안 산도가 증가하는 경향을 보였으나 미생물학적 및 관능적 품질특성에는 큰 변화가 없었다. 0일차에 제조하여 $4^{\circ}C$에서 저장한 김치와 $4^{\circ}C$에서 각각 저장된 절임배추와 양념을 이용하여 매주 제조한 김치의 품질 특성을 분석한 결과, 0일차에 제조하여 저장한 김치보다 저장된 절임배추와 양념으로 매주 제조한 김치의 pH가 높고, 산도가 낮아 발효 지연효과가 있는 것으로 나타났다. 특히 3주차 저장된 절임배추와 양념으로 제조한 김치의 경우 신냄새, 신맛 등의 지표에서 김치형태로 저장된 것보다 유의적으로 낮은 점수를 받았다. 전반적인 기호도에서도 분리 저장 후 제조한 김치에서 높은 점수를 받았으나 유의적인 차이는 확인되지 않았다. 이상의 결과, 절임배추와 양념으로 제품화할 경우 절임배추는 품질유지를 위해 염수에 침지하여 포장하는 방법이 효과적이며, 분리 저장된 절임배추와 김치 양념을 혼합하여 김치로 제조하여도 처음부터 김치 형태로 제조하여 저장한 것과 비교하여 발효가 지연되면서 관능적으로도 문제가 없어 김치의 가식기간을 연장할 수 있는 방법이 될 것으로 생각된다.

This study was conducted to determine the potential use for salted Kimchi cabbage and kimchi paste by analyzing the quality characteristic of kimchi prepared with stored them. Salted Kimchi cabbages were packed with the 2% brine and kimchi paste were stored at $4^{\circ}C$ for 8 weeks, respectively. Kimchi prepared at 0 day and kimchi prepared with stored salted Kimchi cabbage and kimchi paste every week were stored at $4^{\circ}C$ for 8 weeks. The salinity and titratable acidity of salted Kimchi cabbage packed with the brine was lower than control. The results of salinity, pH and moisture contents of kimchi paste did not show any significant differences during storage, however, the titratable acidity was increased. In sensory evaluation, salted Kimchi cabbage packed with the brine showed higher score in overall preference than control. Kimchi paste showed 4.9~6.1 score in overall preference during storage. The titratable acidity of kimchi prepared with stored salted Kimchi cabbage and kimchi paste was lower than control. But, the results of sensory evaluation did not show significant difference among treatments. The study suggested that the use of 2% brine is an effective way for extending shelf-life of salted Kimchi cabbage and Kimchi prepared with stored salted Kimchi cabbage and kimchi paste every week is effective to delay the fermentation but no difference in sensory evaluation.

키워드

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피인용 문헌

  1. Microbial inactivation modeling and salting characteristics of shredded kimchi cabbages (Brassica pekinensis L.) treated with radio frequency heating vol.26, pp.1, 2019, https://doi.org/10.11002/kjfp.2019.26.1.8
  2. Optimization of Kimchi Seasoning with Different Amounts of Semi-dry Pepper and Garlic Paste vol.29, pp.3, 2016, https://doi.org/10.17495/easdl.2019.6.29.3.253
  3. Combined Effects of High Hydrostatic Pressure Treatment and Micro-Perforated Film Packaging on the Quality of Kimchi Sauce Stored Under Fluctuating Temperature Conditions vol.24, pp.4, 2020, https://doi.org/10.13050/foodengprog.2020.24.4.243