구기자 분말을 첨가한 스펀지케이크의 품질특성

Quality Characteristics of Lycii fructus Powder added Sponge Cake

  • 투고 : 2015.08.07
  • 심사 : 2015.12.01
  • 발행 : 2015.12.31

초록

본 연구는 당뇨병, 신경마비 증세 등에 효과가 있는 구기자 분말을 10~40%씩 각각 첨가하였다. 스펀지케이크의 반죽의 비중, pH, 부피, 무게, 색도, 조직감을 측정하고 관능검사를 실시하였다. 비중과 무게측정 결과, 대조군의 비중은 0.46, 무게는 139.3 g으로 가장 낮게 나타났다. 구기자의 첨가량이 많아질수록 유의적으로 증가하였다. 높이는 대조군이 5.02 cm, 부피는 340.67 mL, 비용적은 $2.47cm^3/g$으로 가장 높게 나타났으며, 40% 첨가 구까지 유의적으로 감소하는 유의적인 차이를 나타났다. 색도는 L(명도)는 대조군이 78.32로 가장 높게 나타났으며, 40% 첨가군이 35.56로 가장 낮게 나타냈다. b(황색도)는 대조군이 27.38으로 가장 낮게 나타났으며, 40% 첨가군이 38.27로 가장 높은 값을 나타냈다. 구기자 분말 첨가량이 증가할수록 a, b값은 유의적으로 증가하게 나타났다. 조직감인 탄력성(springiness), 응집성(cohesiveness)은 대조군이 높게 나타났으며, 구기자 분말의 첨가량이 증가할수록 감소하는 경향을 보였다. 관능검사는 맛(taste), 종합적인 기호도(Overall acceptability)에서 구기자 분말 10% 첨가군이 가장 우수하게 나타났다. 이와 같이 본 실험을 통해 구기자 분말 10%를 첨가하면 건강 지향적인 측면을 고려한 스펀지케이크 상품으로 개발이 가능한 적절한 배합비로 사료되었다. 또한, 이 실험을 기초로 하여 적당량을 구기자를 첨가한 다양한 실험을 통하여 제과제빵, 식품에 사용 가능한 적합한 배합비를 찾아내 제조 실험을 해야겠다고 판단된다. 그 결과로 더욱 맛있고 질이 좋은 구기자 첨가 제품의 상품화를 추구하는 연구를 계속할 생각이다.

This study was conducted to evaluate the effect of Lycii fructus powder on the quality characteristics of sponge cake. Sponge cakes were prepared consisting of 10%, 20%, 30% or 40% Lycii fructus powder. The specific gravity, baking loss. and pH of sponge cake batter measured. The specific gravities of the batter with Lycii fructus powder were higher than the control. Baking loss rate and cake weight increased with the ratio of Lycii fructus powder. The specific volume of sponge cake were gradually increased by increasing the amount of powder. The lightness and yellowness values of the control were higher than sponge cake added with Lycii fructus powder cakes, and 40% Lycii fructus powder showed the lowest value. The substance's level of springiness and cohesiveness decreased as the amount of Lycii fructus powder increased. In the sensory evaluation, the cake with Lycii fructus powder exhibited high overall eating quality. In particular, the cakes with 10% Lycii fructus were preferred for taste, texture, and overal acceptability. The results show that sponge cakes added with 10% Lycil powder were considered the best.

키워드

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