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두류가 첨가된 글루텐-프리 쌀쿠키의 품질 특성에 가공방법이 미치는 영향

Effect of processing method on quality characteristics of gluten-free rice cookies containing legume flours

  • 김유연 (전남대학교 식품영양과학부) ;
  • 정두연 (전남대학교 식품영양과학부) ;
  • 정현정 (전남대학교 식품영양과학부)
  • Kim, Yuyeon (Division of Food and Nutrition, Chonnam National University) ;
  • Jeong, Duyun (Division of Food and Nutrition, Chonnam National University) ;
  • Chung, Hyun-Jung (Division of Food and Nutrition, Chonnam National University)
  • 투고 : 2018.09.06
  • 심사 : 2018.09.27
  • 발행 : 2018.10.31

초록

본 연구에서는 4가지 가공방법(침지, 삶음, 볶음, 가압볶음)에 의해 처리한 두류가루로 쿠키를 제조한 후 그들의 이화학적 특성과 텍스처 특성을 살펴보았다. 품질특성과 영양적 가치를 높이기 위하여 두류-찹쌀 혼합가루를 이용하여 글루텐-프리 쌀쿠키를 제조하였다. 가압볶음과 삶음에 의해 두류가루는 호화가 일어나 페이스팅 점도를 나타나지 않았으며 볶음처리에 의한 두류가루는 열처리에 의해 상호작용이 유도되어 호화온도가 증가하고 치반점도가 거의 나타나지 않은 특성을 보였다. 볶음처리한 두류가루로 제조된 쿠키는 대조군과 거의 유사한 색상을 나타냈으며 가압볶음이나 삶음 처리한 두류가루 보다는 높은 경도를 나타냈다. 녹두가루보다는 동부가루로 제조한 쿠키가 더 우수한 색상을 나타냈으며 경도도 더 높은 결과를 보였다. 결과적으로 본 연구에서 두류의 종류와 두류의 가공방법에 의해 글루텐-프리 쌀쿠키의 품질에 영향을 미치는 것을 확인할 수 있었다.

Different processing methods, including steeping, boiling, roasting, and pressure roasting were used to deactivate anti-nutritional factors and remove off-flavor present in legumes. The physical and textural characteristic of cookie made with the treated flours were examined. The lightness of roasted cowpea flour was higher than that of the other treated legume flours, whereas that of pressure-roasted mungbean flour was the lowest. The boiled and pressure-roasted legume flours exhibited substantially lower pasting viscosity since the starches in these flours were considerably gelatinized during the heat treatment. Steeped mungbean flour had a significantly higher final viscosity than the other treated legume flours. Cookies containing mungbean flour had a higher protein content but lower lipid content than those containing cowpea flour. Cookies made with cowpea flour had a greater hardness than those made with mungbean flour. Cookies containing roasted flour had relatively better color properties than did those containing flours that were treated using other methods.

키워드

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