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Quality characteristics of Maejakgwa with added Nelumbo nucifera leaf powder

연잎 분말을 첨가한 매작과의 품질특성

  • Park, Bock-Hee (Department of Food and Nutrition, Mokpo National University) ;
  • Park, Mee-Young (Department of Food and Nutrition, Mokpo National University) ;
  • Cho, Hee-Sook (Department of Culinary Art, Chodang University)
  • 박복희 (목포대학교 식품영양학과) ;
  • 박미영 (목포대학교 식품영양학과) ;
  • 조희숙 (초당대학교 조리과학부)
  • Received : 2014.03.10
  • Accepted : 2014.05.10
  • Published : 2014.06.30

Abstract

The principal objective of this study was to determine the quality characteristics of Maejakgwa prepared with the addition of lotus leaf powder. The moisture, crude ash, crude protein, crude lipid, and carbohydrate contents of the used lotus leaf powder were 2.97%, 8.09%, 22.83%, 0.93%, and 65.18%, respectively. The pH of the Maejakgwas dough decreased significantly as the level of lotus leaf powder increased; however, there were no significant differences in dough values among the test groups. Furthermore, the spread factor values and water contents of the groups increased significantly as the level of the lotus leaf powder concentration. In addition, the Hunter's color L, a, and b values decreased significantly with increasing amounts of lotus leaf powder. In the texture meter test, the hardness increased according to increasing concentrations of lotus leaf powder. Finally, the results of a sensory properties showed that Maejakgwas containing 2% lotus leaf powder had the highest scores. These results suggest that lotus leaf powder can be applied to Maejakgwas to achieve high quality and functionality.

본 연구는 항산화 효과를 비롯한 다양한 기능성이 있는 연잎 분말의 효과적인 활용을 위해 한과의 일종인 매작과를 제조한 후 품질특성을 평가함으로써 현대인의 기호에 맞는 건강식품으로 연잎 매작과의 개발 가능성을 검토하였다. 매작과 반죽의 pH는 연잎 분말 첨가량이 증가할수록 감소하는 경향을 보였으며, 밀도는 연잎 분말을 첨가하지 않는 대조군이 $1.24{\pm}0.02$였으며, 연잎 분말을 첨가한 매작과는 $1.21{\pm}0.02{\sim}1.28{\pm}0.02$의 범위를 나타내었다. 퍼짐성과 수분함량은 연잎 분말 첨가량이 증가할수록 대조군보다 첨가군이 유의적으로 높았다. 매작과의 색도 측정 결과, 연잎 분말 첨가량이 증가함에 따라 명도(L값), 적색도(a값) 및 황색도(b값)는 유의하게 감소하는 경향을 보였다. 매작과의 경도는 대조군에 비해 연잎 분말 첨가군이 유의하게 높게 나타났다. 관능평가 결과, 맛이 가장 좋으며 바삭함이 좋은 3% 첨가군이 전반적이 기호도에서 가장 좋게 평가되었다. 따라서 연잎 분말을 첨가하여 매작과를 제조할 때 밀가루에 연잎 분말을 3% 첨가하는 것이 전반적인 기호도 면에서 가장 적절한 것으로 여겨진다. 이상의 결과에서 매작과에 대한 연잎 분말의 첨가는 전반적인 기호도, 저장성 향상 및 맛 증진에 효과적일 것으로 사료되며, 현대인의 기호에 맞는 건강식품으로 연잎 매작과의 개발 가능성이 높은 것으로 사료된다. 이 연구의 제한점은 연잎 매작과의 항산화성 효과가 제한되었고 주로 품질 특성 부분에 기초하여 조사하였다는 점이다. 따라서 향후 연잎 분말을 첨가한 식품의 생리활성 및 항산화 효과에 대한 보다 심층적인 연구가 필요하다.

Keywords

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