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 of Yukwa Bases with Different Quantities of Soju in Storage

소주 첨가비율에 따른 유과바탕의 저장 중 품질 특성

  • Kim, Ji-Youn (Dept. of Food & Cooking Science, Sunchon National University) ;
  • Shim, Ki-Hoon (Dept. of Food & Cooking Science, Sunchon National University) ;
  • Choi, Ok-Ja (Dept. of Food & Cooking Science, Sunchon National University)
  • 김지연 (순천대학교 생명산업과학대학 조리과학과) ;
  • 심기훈 (순천대학교 생명산업과학대학 조리과학과) ;
  • 최옥자 (순천대학교 생명산업과학대학 조리과학과)
  • Received : 2012.03.07
  • Accepted : 2012.04.25
  • Published : 2012.07.31
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Abstract

The objective of this study was to investigate the physicochemical properties of Yukwa bases with different quantities of Soju during long-term storage. We examined Yukwa bases with 5 different quantities (0%, 25%, 50%, 75%, and 100%) (v/w) of Soju after intervals of 10 days up to 50 days at $30{\pm}1^{\circ}C$. The L and a values of all Yukwa bases decreased as storage time increased. The b value of Yukwa bases with 0% Soju increased as storage time increased, but Yukwa bases with 25~100% Soju decreased. The compression and shared force decreased as storage time increased for all subjects, but those with bases of 50% and 75% Soju changed less during storage. The acid values of all Yukwa bases increased significantly during storage. In addition, the peroxide values of all Yukwa bases significantly increased during storage time. Yukwa bases with 0% Soju showed great change of the peroxide value during long-term storage. The peroxide values of all Yukwa bases changed less as the quantity of Soju increased.

본 연구에서는 팽화에 영향을 미치는 소주를 유과 제조시 총 액체량의 0~100% 첨가비율로 첨가하여 유과바탕을 제조한 뒤 $30{\pm}1^{\circ}C$, 상대습도 65% incubator에서 50일 동안 저장하면서 품질특성 변화를 측정하였다. 유과바탕의 일반성분 결과는 수분, 조단백 및 조회분 함량은 시료 간에 유의한 차이가 없었고, 조지방은 소주 첨가량이 증가할수록 높았으며, 시료 간에 유의한 차이가 있었다. 유과바탕의 저장 중 색도에서 L 및 a값은 저장기간이 길어질수록 감소하는 경향을 보였고, b값의 경우 소주 무첨가구는 저장기간이 길어짐에 따라 증가하였으나, 소주 첨가구는 감소하는 경향을 보였다. 유과바탕의 물성을 측정한 결과, 압착력과 전단력은 저장기간이 길어짐에 따라 모든 시료구에서 감소하는 경향을 보였으며, 소주 무첨가구는 저장기간 동안 압착력 및 전단력이 가장 큰 폭으로 감소하였다. 소주 50%와 75% 비율로 첨가한 유과바탕은 압착력과 전단력이 가장 낮았고, 저장기간에도 변화가 적은 것으로 나타났다. 산가는 저장기간 동안 모든 시료구에서 증가하였고, 저장 40일 이후에 소주 무첨가구, 25% 및 100% 비율 첨가구는 크게 증가하는 경향을 보였으며, 소주 100% 비율 첨가구가 저장기간 동안 가장 큰 폭으로 산가가 증가하였다. 과산화물가도 저장기간 동안 증가하였고, 소주 무첨가구에서 가장 크게 증가하였으며, 소주 첨가 비율이 증가할수록 과산화물가 변화는 적었다.

Keywords

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