Journal of Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Effect of Anti-Microbial Materials on Storages of Ssamjang

항균물질 첨가에 의한 쌈장의 저장중 품질특성

  • Kang, Bo-Ra (Department of Food & Nutrition, Mokpo National University) ;
  • Im, Go-Eun (Department of Food & Nutrition, Mokpo National University) ;
  • Kim, Dong-Han (Department of Food & Nutrition, Mokpo National University)
  • Received : 2012.06.29
  • Accepted : 2012.12.13
  • Published : 2013.03.31
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Abstract

The effect of additives on the quality of ssamjang was investigated during storage. The L-, a- and b-values of ssamjang decreased gradually during storage, and the total color difference (${\Delta}E$) increased in the control group. The gas production of ssamjang was reduced in K-sorbate, alcohol and mustard added groups. The number of yeast increased rapidly up to 6 weeks of storage, then decreased in the mustard, alcohol, and K-sorbate added groups. The oxidation-reduction potential and water activity decreased until 6 weeks and 12 weeks, respectively, and then increased gradually. Titratable acidity increased with concomitant decrease in pH, however, it increased slightly in the K-sorbate and ethanol added groups. Reducing sugar content increased until 9 weeks of storage, except the turmeric added group. Alcohol content increased until 15 weeks in the Japanese apricot juice, and turmeric added group. The sensory test result for the taste, flavor and overall acceptability showed that mustard added ssamjang was more acceptable than other groups.

부원료 첨가를 달리하여 제조한 쌈장을 포장하여 $30^{\circ}C$에서 18주간 저장하면서 저장중 이화학적인 특성 변화를 검토하였다. 쌈장의 색은 L-와 a-, b-값 모두 저장중 서서히 감소하였으며, ${\Delta}E$값의 변화는 대조구에서 심하였다. 쌈장 저장중의 가스 생성은 K-sorbate와 알코올, 겨자 첨가로 억제되었다. 저장중 쌈장의 효모수는 6주에 급격히 증가하였으나 겨자와 알코올, K-sorbate 첨가구에서 적었고, 매실즙과 울금 첨가구에서 많아 이들 첨가구에서 효모수의 증가가 가스 생성의 직접적인 원인이 되었다. 산화환원전위(ORP)는 저장 6주, 수분활성도는 저장 12주까지 저하되었으나 그 이후에는 근소한 증가를 보였다. 적정산도는 저장 중에 pH의 저하에 따라 증가되었으며, K-sorbate와 알코올 첨가구에서 적었다. 환원당은 울금 첨가구를 제외하고는 저장 9주까지 증가되었으며, 알코올은 매실즙과 울금 첨가구는 저장 15주까지 증가되었다. 쌈장은 유의적인 차이는 없으나 맛과 향기에서 겨자와 울금 첨가구가 양호하였고 전체적인 기호도에서 겨자 첨가구가 양호한 것으로 판단되었다.

Keywords

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