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Development of Sugar-Soaked Black Soybean Snack and Its Quality Change on Functional Components

당침지 검정콩 스낵 제품의 개발 및 기능성 성분의 변화

  • Song, Nho-Eul (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University) ;
  • Song, Young-Ran (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University) ;
  • Kim, Jong-Hui (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University) ;
  • Kim, Young-Eun (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University) ;
  • Han, Ah-Reum (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University) ;
  • Jeong, Do-Youn (Institute of Sunchang Fermented Soybean Products) ;
  • Baik, Sang-Ho (Dept. of Food Science and Human Nutrition, and Research Institute of Human Ecology, Chonbuk National University)
  • 송노을 (전북대학교 생활과학대학 식품영양학과) ;
  • 송영란 (전북대학교 생활과학대학 식품영양학과) ;
  • 김종희 (전북대학교 생활과학대학 식품영양학과) ;
  • 김영은 (전북대학교 생활과학대학 식품영양학과) ;
  • 한아름 (전북대학교 생활과학대학 식품영양학과) ;
  • 정도연 (순창군 장류식품사업소) ;
  • 백상호 (전북대학교 생활과학대학 식품영양학과)
  • Received : 2011.02.25
  • Accepted : 2011.05.27
  • Published : 2011.06.25

Abstract

We developed and investigated sugar-soaked black soybean snack (SSBSS) to increase the availability of black soybean. The most desirable moisture contents and texture properties of hardness and gumminess in preparing SSBSS were obtained at a sugar concentration of $40^{\circ}brix$ for the first sugar soaking step and $50^{\circ}brix$ for the second sugar soaking process. Sensory evaluation also showed that SSBSS prepared with $40^{\circ}brix$ for first sugar soaking step and $50^{\circ}brix$ for the second sugar soaking process was graded higher than the other samples in all questionnaires. Prepared SSBSS had a final moisture content of $5.50{\pm}0.39%$, crude protein content of $16.25{\pm}0.07%$, and crude lipid content of $34.26{\pm}3.95%$. The ash and carbohydrate contents of SSBSS were $0.51{\pm}0.05%$ and $43.48{\pm}0.01%$, respectively, and the final glucose content was $10.20{\pm}0.10^{\circ}brix$. GABA concentration was $15.24{\pm}1.47\;mg$/g and the contents of daidzein, genistein, daidzin, and genistin were $695.7{\pm}6.08\;{\mu}g$/g, $810.6{\pm}3.9\;{\mu}g$/g, $755.8{\pm}39.6\;{\mu}g$/g, and $1640.7{\pm}390.8\;{\mu}g$/g, respectively. In addition, the phenolic compound and flavonoid contents in SSBSS were $0.16{\pm}0.01$ and $2.33{\pm}0.40\;mg$/g, respectively.

검정콩의 기능적, 영양적으로 매우 유용한 성분을 손쉽게 섭취할 수 있는 편리성을 갖춘 형태인 스낵 타입의 검정콩 제품을 개발하였다. 부드러운 조직감과 높은 기호도를 위해서 1차 당침지 조건/2차 당침지 조건을 달리하였으며 수분함량, 조직감, 관능평가 등을 고려하여 1차 당침지 당액농도 $40^{\circ}brix$, 2차 당침지 당액농도 $50^{\circ}brix$로 침지하여 제조한 당침지 콩스낵 제조공정을 확립하였고 그에 따른 최적 조건하에 제조된 당침지 검정콩 편이식 시제품에 대한 일반성분 분석을 실시한 결과 수분함량은 $5.50{\pm}0.39%$, 조단백질은 $16.25{\pm}0.07%$, 조지방은 $34.26{\pm}3.95%$, 조회분은 $0.51{\pm}0.05%$, 탄수화물은 $43.48{\pm}0.01%$이었으며 최종제품의 잔존당 함량은 $10.20{\pm}0.10^{\circ}brix$로 나타났다. GABA 함량은 $15.24{\pm}1.47\;mg$/g으로 9배 정도 증가되었으며, 이소플라본은 당이 분리된 alycon 형태로써의 daidzein($695.7{\pm}6.08\;{\mu}g$/g), genistein($810.6{\pm}3.9\;{\mu}g$/g) 함량보다 배당체 형태인 daidzin($755.8{\pm}39.6\;{\mu}g$/g)과 genistin($1640.7{\pm}390.8\;{\mu}g$/g) 형태로 많이 함유되어 있으며 페놀성분과 플라보노이드 함량은 각각 $0.16{\pm}0.01\;mg$/g과 $2.33{\pm}0.40\;mg$/g이 함유되어 있는 것으로 분석되었다.

Keywords

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