Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Quality characteristics of smoked duck using natural curing agent

천연 염지제을 이용한 훈제오리의 품질특성

  • Park, Yeon Ok (Dept. of Food and Nutrition, Songwon university)
  • 박연옥 (송원대학교 식품영양학과)
  • Received : 2016.04.27
  • Accepted : 2016.07.06
  • Published : 2016.10.30
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Abstract

The objective of this study was to examine quality characteristics of a smoked duck marinated in natural curing agents containing extracts of pear by sugar, celery powder, and vitamin C. We evaluated the composition food additives residue and total plate count, chromaticity, sensory properties, total polyphenol contents, 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical scavenging effect of general smoked duck (GSD) and natural smoked duck (NSD). The nitrite ion, antioxidant and sodium glutamate of NSD were not detected. The lightness, yellowness and redness of the two smoked duck decreased significantly as growing longer storage days. The total plate count (CFU/g) of coliform bacteria of two smoked duck were not grown. The sensory properties showed that NSD was higher than GSD in the aspect of taste, texture and overall preferences. The total polyphenol contents and DPPH radical scavenging effect of NSD were higher than those of GSD. These results suggested that it was possible to manufacture a smoked duck marinated in natural curing agents including extracts of pear by sugar, celery powder, and vitamin C for the improvement of safety and quality.

본 연구는 천연 소재를 이용하여 개발한 천연훈제오리의 품질 특성을 일반훈제오리와 비교하여 합성 염지제를 천연물로 대체 가능한지를 알아보았다. 또한 소비자가 믿고 찾을 수 있는 안전하고 위생적인 식품으로 더 적합한 훈제오리를 개발하고자 하였다. 식품첨가물 잔류량, 저장기간 동안 훈제오리의 pH, 미생물량 및 색도변화, 관능평가, 항산화활성 등을 조사하였다. 천연물을 이용하여 개발한 천연훈제오리에서는 아질산나트륨, 산화방지제, 글루타민산나트륨 등의 합성첨가물은 검출되지 않았다. 저장 기간 동안 두 군 모두 pH가 감소하는 경향을 보였으며 대장균군은 발생하지 않았다. 훈제오리의 명도와 황색도는 두 군 간에 차이가 없었으나 저장기간 동안 두군 모두 감소하였으며, 적색도는 저장 전 기간 동안 일반 훈제오리가 유의적으로 높았다. 훈제오리에 대한 기호도 평가는 저장 기간이 길어질수록 외관, 색, 맛, 후미, 질감, 전체적인 품질이 유의적으로 감소하였으나 맛이나, 질감, 전체적인 품질에 대한 평가는 저장 기간 내내 유의적으로 천연훈제오리의 평가가 더 높았다. 총 폴리페놀 함량과 항산화 활성은 천연훈제오리가 일반훈제오리보다 높았다. 이상과 같은 결과로 볼 때 배당침액, 셀러리파우더, 비타민 C를 포함한 천연염지제는 일반훈제오리 염지제를 대신할 수 있으며, 천연물을 첨가하여 개발한 천연훈제오리는 식품첨가물이나 미생물 등이 검출되지 않고 항산화 활성이 우수하여 일반 소비자가 더 믿고 찾을 수 있는 위생적이고 안전한 건강식품으로써 적합하다고 사료된다.

Keywords

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