The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Studies on Softening Stability of Softened Sea Tangle Depending on Various Softening Agents

연화제의 종류에 따른 다시마의 연화 안정성에 관한 연구

  • Published : 2004.06.01
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Abstract

This study was carried out to develop the intermediate material for its processing product of sea tangle by investigating softening stability of softened sea tangle for storage. The change of softening stability, Avrami (equation) exponent, color and sensory characteristics was examined during storage when hydrophilic softening agent was added to the softened sea tangle. Inclination of the sample added with isomalto oligosaccharide showed the lowest value in relation of ln(E$\_$L/- Et) vs t for four days of storage. Exponent range of Avrami equation was 1.00-1.67 and isomalto oligosaccharide having 1.0 of exponent exhibited the most stable effect in softerness. The sample formulated with isomalto oligosaccharide indicated the lowest value in rate constant and its rigidity was progressed very slowly during storage. The L, a and b value of softened sea tangle during storage was relatively decreased. Color preference, odor, cohesiveness, softerness, process compatibility were revealed to be in best when isomalto oligosaccharide was added. When softening agent was added to the softened sea tangle it showed the positive result in processing compatibility and the available value in intermediate material for its processing product. It was relatively effective on softening stability when isomalto oligosaccharide was added to the softened sea tangle.

본 연구는 저장 중 연화 다시마의 연화 안정성을 검토하여 다시마 다시마 가공품의 중간소재를 개발하기 위하여 수행하였다. 본 연구에서는 초산과 가열하여 연화시킨 다시마의 유연조직을 유지하기 위하여 친수성이 강한 연화제를 사용하여 경시적인 연화 안정성을Avrami equation 색깔 및 관능성 등의 변화를 검토하였다. 그 결과 4일간 저장할 경우 ln( $E_{L}$- Et) vs t와의 관계에서 isomalto oligosaccharide의 기울기가 가장 낮은 값을 나타내었으며 log(- ln( $E_{L}$- Et)/( $E_{L}$- $E_{O}$) vs log t의 관계에서도 Avrami equation의 exponent n는 1.00-1.67 범위에 있고 isomalto oligosaccharide의 exponent n는 1.00으로 가장 연화 안정 효과가 큰 것으로 나타났다. Rate constant는 isomalto oligosaccharide가 가장 낮은 값을 나타내어 경시적으로 연화가 천천히 진행됨을 알 수 있었다. 연화제를 사용한 경우 연화 다시마의 명도(L), 적색도(a), 황색도(b)는 대부분 감소하는 경향을 나타내었다. 관능성의 경우 색깔 선호도, 냄새, 가공적합성, 점조성, 연화 정도 및 전체 기호도 등은 isomalto oligosaccharide를 사용한 경우가 가장 좋은 것으로 나타났다. 결론적으로 연화 다시마를 연화제로 처리하면 중간소재로서의 가치와 저장성, 관능적 가치가 좋은 것으로 나타났으며 특히 isomalto oligosaccharide를 사용하는 것이 좋은 것으로 나타났다. 나타났다.다.

Keywords

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