Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Effect of Soybean Peel on the Quality Characteristics of Instant Rice Cake (Baekseolgi) Prepared Using a Microwave Oven

마이크로웨이브를 이용 즉석 백설기 제조 시 대두피 첨가가 품질에 미치는 영향

  • Kim, Seung-Hee (Korea Polytechnic University, Department of Chemical Engineering & Biotechnology) ;
  • Kang, Ho-Jin (Korea Polytechnic University, Department of Chemical Engineering & Biotechnology) ;
  • Lim, Jae-Kag (Korea Polytechnic University, Department of Chemical Engineering & Biotechnology)
  • 김승희 (한국산업기술대학교 생명화학공학과) ;
  • 강호진 (한국산업기술대학교 생명화학공학과) ;
  • 임재각 (한국산업기술대학교 생명화학공학과)
  • Received : 2010.01.08
  • Accepted : 2010.05.28
  • Published : 2010.06.30
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Abstract

We evaluated the physicochemical and sensory properties of rice cake (Baekseolgi) admixed with various amounts of soybean peel and prepared using a microwave oven. Moisture content decreased gradually during storage but the decrease was less when soybean peel was present, compared with the control material p<0.05). Weight reduction was significantly inhibited as soybean peel level increased. The color lightness $(L^*)$ and redness $(a^*)$ values did not significantly change after addition of soybean peel. However, the yellowness $(b^*)$ value increased uponaddition of soybean peel p<0.05). The RVA properties decreased significantly with the addition of soybean peel, but pasting temperature increased. In terms of texture, neither springiness nor cohesiveness changed upon addition of soybean peel. The hardness, gumminess, and chewiness of Baekseolgi tended to decrease in proportion to the amount of soybean peel added. Adhesiveness rose gradually during storage but the increase was less when soybean peel was added, compared with control. On sensory testing, neither color nor flavor changed upon addition of soybean peel. Baekseolgi with 5% (w/w) soybean peel scored lowest in terms of taste. Hardness score and moisture level were highest when soybean peel was added to 2% or 3% (both w/w). Overall acceptability was greatest when soybean peel was added to 2% (w/w). Thus, Baekseolgi with 2% (w/w) added soybean peal was satisfactory. We conclude that addition of soybean peel to Baekseolgi prepared using a microwave oven improves physicochemical and sensory properties, and delays deterioration during storage.

본 연구는 전자레인지를 이용하여 백설기 제조 시 대두피 첨가량을 달리 제조하여 물리화학적, 관능적 특성을 평가하였다. 수분함량은 저장하는 동안 급격하게 감소하였고, 대두피를 넣은 군들은 넣지 않은 군들보다 수분함량이 덜 감소하는 것으로 나타났다(p<0.05). 무게 감소율은 대두피가 증가할수록 감소하는 경향을 보였다. 색도에서 L 값, a값은 대두피 첨가량에 따른 유의적인 차이를 보이지 않았다. 그러나 b값은 대두피 첨가량이 증가할수록 증가하는 경향을 보였다(p<0.05). RVA측정 결과 대두피 첨가량이 증가할수록 감소하는 경향을 보였으나, pasting temperature의 경우 증가하는 경향을 보였다. 조직감 특성 결과 springiness, cohesiveness는 대두피 첨가량별 유의적인 차이를 보이지 않았다. Hardness, gumminess, chewiness는 대두피 양이 증가할수록 점점 감소하였다. adhesiveness는 대두피 양이 증가할수록 점점 증가하였다. 관능검사 결과 색, 향에는 유의적인 차이를 보이지 않았다. 그리고 대두피 5% 첨가한 백설기의 경우 맛에서 가장 낮은 점수를 받았다. 촉촉한 정도, 단단한 정도에서는 2, 3% 대두피 첨가군이 가장 높은 점수를 보였다. 전반적인 기호도 에서 대두피 2%를 넣었을 시 가장 좋은 점수를 받았다. 결론적으로 대두피 2% 첨가한 백설기가 가장 좋은 평가를 받았다. 따라서 전자레인지를 이용하여 백설기를 제조 시 대두피를 첨가했을 때 물리화학적, 관능적 특성이 개선되고 노화가 지연되는 것으로 나타났다.

Keywords

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