Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Quality Characteristics and Antioxidant Activities of Sulgidduk Added with Almond Powder

아몬드 첨가 설기떡의 품질 특성 및 항산화성

  • Yu, Ha Ny (Department of Food & Nutrition, Chungnam National University) ;
  • Song, Ju Hyun (Department of Food & Nutrition, Chungnam National University) ;
  • Kim, Mee Ree (Department of Food & Nutrition, Chungnam National University)
  • 유하니 (충남대학교 식품영양학과) ;
  • 송주현 (충남대학교 식품영양학과) ;
  • 김미리 (충남대학교 식품영양학과)
  • Received : 2017.04.18
  • Accepted : 2017.06.12
  • Published : 2017.07.31
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Abstract

The purposes of this study were to evaluate the quality characteristics and antioxidant activities of Sulgidduk added with almond powder (0, 6, 12, or 15%). As the amount of almond powder increased, soluble solid content ($^{\circ}Brix$) and reducing sugar content (%) decreased, whereas pH and acidity were unchanged. The L (lightness) value in the Hunter color system of Sulgidduk added with almond powder decreased, whereas a (redness) and b (yellowness) values increased. Total phenolic content of Sulgidduk increased according to the amount of almond powder. The antioxidant activities, including 1,1-diphenyl-2-picrylhydrazyl and hydroxy radical scavenging activities, increased in Sulgidduk with almond powder compared with that of the control. It is concluded that Sulgidduk with almond powder may be of high quality with antioxidant activity. In the sensory test, Sulgidduk added with 12% almond powder showed the highest score in terms of overall preference.

본 연구는 설기떡에 쌀에 부족한 단백질 등 영양이 풍부한 아몬드를 첨가하여 설기떡의 건강 기능성을 향상하고자 아몬드를 6, 12, 15% 첨가한 설기떡을 제조하였다. 가용성 고형물 함량은 아몬드 첨가량이 증가할수록 유의적으로 감소하였고 환원당은 아몬드 첨가량이 증가할수록 유의적으로 감소하였다. pH와 산도는 아몬드 첨가량에 따른 변화가 없었다. 색도는 아몬드의 첨가량이 증가할수록 명도는 유의적으로 감소하였고, 적색도와 황색도는 유의적으로 증가하였다(P<0.05). 항산화능은 DPPH 라디칼 소거능 및 hydroxyl라디칼 소거능 모두 아몬드의 첨가량이 증가함에 따라 $IC_{50}$ 값이 감소하여 아몬드의 첨가량이 증가함에 따라 항산화능이 증가하였다. 이는 총페놀 함량이 아몬드의 첨가량이 증가함에 따라 농도 의존적으로 증가하는 결과에 기인하는 것이다. 관능검사 결과 강도 특성으로는 아몬드를 첨가할수록 색과 아몬드 향, 아몬드 맛에 대한 점수가 높게 나타났으며, 짠맛은 아몬드 첨가량이 증가할수록 높아졌다. 기호도에서 외관, 조직감, 전체적인 기호도는 아몬드 12% 첨가군에서 가장 높은 점수를 받았다(P<0.05). 이상의 결과로부터 설기떡에 아몬드 첨가 시 설기떡의 품질 특성 및 항산화능이 개선되었으며, 설기떡에 첨가하는 아몬드의 양은 12%가 적당한 것으로 생각되었다.

Keywords

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