Quality Characteristics of Fish Paste Prepared with Astragalus membranaceus Powder

황기분말을 첨가한 어묵의 품질특성

  • Kim, Dong-Ho (Institute of Industry-Academy Collaboration, Seowon University)
  • 김동호 (서원대학교 산학협력단)
  • Received : 2011.10.05
  • Accepted : 2011.11.03
  • Published : 2011.11.30

Abstract

This study was conducted to investigate the physicochemical and sensory characteristics of the fish paste prepared with Astragalus membranaceus powder (0-2.0%). The pH of the samples ranged from 6.75 to 6.86 and the moisture content ranged from 77.19 to 80.18%. Increasing amount of Astragalus membranaceus powder in the fish paste tended to increase the redness and yellowness in Hunter color value. Textural property analysis indicated that the strength of the sample paste increased and its springiness decreased with an increasing amount of Astragalus membranaceus powder. The fish paste prepared with Astragalus membranaceus powder (2.0%), especially, showed the highest values in cohesiveness, brittleness, and gumminess. In addition, all the samples had good flexibility. In sensory evaluation, the addition of 1.0% Astragalus membranaceus powder had the best score in color, texture, taste, and overall preference. Therefore, this results suggest that 1.0% Astragalus membranaceus powder can be applied to produce fish paste with high functionality and sensory preference.

본 연구는 식품소재로서의 활용가능성이 높고 생리활성 효과가 우수한 황기분말을 농도별로 첨가(0.5%, 1.0%, 1.5%, 2.0%)하여 어묵을 제조하고 품질특성을 측정하였다. 수분함량은 황기분말의 첨가여부에 관계없이 유의적인 차이는 나타나지 않았으며 pH는 전체적으로 6.75-6.86의 범위를 나타내었다. L값은 황기분말의 첨가량 증가에 따라 유의적인 차이는 나타나지 않았으나 a값은 높아지고 b값은 낮아지는 경향을 나타내었다. 황기분말 첨가 어묵의 절곡 검사 결과는 모든 시료에서 AA로 측정되어 황기분말의 첨가가 어묵의 유연성에 영향을 미치지 않았으며 기계적 조직감 중 강도(strength)는 황기분말의 첨가량이 증가할수록 높아지는 경향을 나타내었고 검성(gumminess), 응집성 (cohesiveness), 파쇄성(brittleness)은 황기분말 2.0% 첨가구가 가장 높게 측정되었다. 황기분말 첨가 어묵의 관능적특성 중 생선 비린내 정도(fishy smell)는 황기분말의 첨가량 증가에 따라 강도의 정도가 약해졌으며 구수한 냄새의 정도(savory smell)는 황기분말 1.0% 첨가구가 가장 높은 점수를 보였다. 구수한 맛의 정도(savory taste)는 황기분말 1.0% 첨가구가 6.27로 가장 높은 점수를 나타내었으며 느끼한 맛의 정도(oily taste)는 황기분말 첨가량의 증가에 따라 약해지는 것으로 평가되었다. 황기맛의 정도(Astragalus membranaceus taste)는 황기냄새의 정도와 마찬가지로 황기분말의 첨가량이 증가할수록 강하게 평가되었으며 관능적 조직감의 정도는 각 시료간 유의적인 차이가 나타나지 않았다. 관능적 선호도 평가결과, 황기분말 1% 첨가구가 냄새, 맛, 조직감, 전반적인 선호도 항목에서 가장 우수함을 나타내었다.

Keywords

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