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Qualitative Characteristics and Antioxidant Activities of Buchimgaru Supplemented with Jerusalem Artichoke Powder

돼지감자분말을 첨가한 부침가루의 항산화 및 품질특성

  • 김기창 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 김혜선 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 조인희 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 김진숙 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 김경미 (농촌진흥청 국립농업과학원 농식품자원부) ;
  • 장영은 (농촌진흥청 국립농업과학원 농식품자원부)
  • Received : 2013.02.25
  • Accepted : 2013.06.24
  • Published : 2013.07.31

Abstract

This study evaluated the qualitative properties of Buchimgaru supplemented with JAP (Jerusalem Artichoke Powder). In Buchimgaru, JAP and wheat flour were mixed in ratios of 1:9 (10% JAP), 2:8 (20% JAP), and 3:7 (30% JAP). The values for texture profiles (hardness, chewiness, springiness, and cohesiveness) decreased when JAP was added to Buchimgae formulations. The fructan contents of Buchimgaru supplemented with 0, 10, 20, and 30% JAP were 1.52, 6.39, 10.50, and 13.71%, respectively. The total polyphenol content of Buchimgaru supplemented with JAP was significantly higher than Buchimgaru without JAP. The 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of Buchimgaru supplemented with 30% JAP was approximately 11 times greater than Buchimgaru without JAP. In the sensory evaluation (color, flavor, overall preference), Buchimgae supplemented with JAP showed higher sensory values than Buchimgae without JAP.

본 연구는 prebiotics, 혈당조절, 콜레스테롤 감소 및 항산화 활성 등의 효과가 있는 돼지감자를 식품소재로써 활용하고자 돼지감자분말이 첨가된 부침가루를 제조하고 첨가량에 따른 품질특성을 분석하였다. 돼지감자분말의 첨가량에 따른 부침개의 물리적 특성은 30% 첨가 시 탄력성, 응집성이 가장 낮았으며 혼합비율이 증가할수록 유의적으로 감소하는 경향을 보였다. 색도의 경우 돼지감자분말의 첨가량이 늘어날수록 밝기는 감소하며 적색도와 황색도는 유의적으로 증가하였다. 돼지감자분말 첨가에 따른 부침가루의 fructan 함량은 30% 첨가 시 13.71%로 무첨가보다 약 9배의 높은 함량을 보였다. 또한 총 폴리페놀함량의 경우에는 무첨가는 68.93 mg GAE/100 g의 함량을 보였으며 30% 첨가 시에는 84.87 mg GAE/100 g까지 증가하였다. DPPH 라디칼 소거능은 30% 첨가시 약 63.72%의 활성을 보여 무첨가보다 약 11배 이상의 소거능을 보였다. 관능적 특성은 색, 향, 전반적 기호도 항목에서 돼지감자분말의 첨가가 무첨가 부침개보다 유의적으로 높은 값을 보였다. 위의 결과와 같이 돼지감자분말을 첨가한 부침가루는 기능성 및 기호도 측면에서도 우수하여 고품질 식품소재로의 효율적인 적용이 가능할 것으로 생각된다.

Keywords

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