Journal of the East Asian Society of Dietary Life (동아시아식생활학회지)

The East Asian Society of Dietary Life (동아시아식생활학회)
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Quality Characteristics of White Bread added Modified Starch

변성 전분을 첨가한 식빵의 품질 특성

  • Kim, Hyo Suk (Dept. of Food Science and Technology, Dongguk University) ;
  • Lee, Seung Joo (Dept. of Culinary and Food Service Management, Sejong University) ;
  • Lee, Seung Ju (Dept. of Food Science and Technology, Dongguk University)
  • 김효숙 (동국대학교 식품공학과) ;
  • 이승주 (세종대학교 조리외식경영학과) ;
  • 이승주 (동국대학교 식품공학과)
  • Received : 2015.04.29
  • Accepted : 2015.05.21
  • Published : 2015.06.30
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Abstract

The textural properties of breads containing midified starches such as pregelatinized waxy corn starch, acetylated potato starch and hydroxypropylated tapioca starch, were investigated to determine the optimum addition level of modified starches. Effects of modified starches on dough properties were investigated through a farinogram and amylogram based on the different additional levels of modified starches (3%, 6%, 9%, 12% and 15% of flour content). Moisture contents and firmness values were measured to investigate the degree of retrogradation at 0 h, 36 h and 72 h after production. The levels of moisture contents were highest upon addition of pregelatinized waxy corn starch followed by acetylated potato starch and lowest upon addition of hydroxypropylated tapioca starch. Overall, higher moisture contents resulted in lower firmness levels. The preference scores by type of modified starch were highest upon addition of 9% hydroxypropylated tapioca starch, 3% pregelatinized waxy corn starch, and 6% acetylated potato starch, respectively. Preference scores were significantly correlated with textural properties such as volume, absorption, stability and weakness (p<0.01).

밀가루에 3종의 변성 전분(초산 감자 전분, 알파화 찰옥수수 전분, 히드록시프로필화 타피오카 전분)의 첨가량(3, 6, 9, 12, 15%)을 달리하여 제조하고, 이의 텍스쳐 특성과 기호도를 분석하였다. 첨가한 변성 전분 종류별 기호도는 대조구에 비하여 알파화 찰옥수수 전분은 3% 이상 6% 이하 사용 시, 초산 감자 전분의 경우 사용량 6%까지, 히드록시프로필화 타피오카 전분은 9%까지 높은 결과를 보였다. 이와 같은 결과로 볼 때 밀가루에 변성 전분을 첨가할 때 사용량의 증가에 따라 식빵의 firmness가 낮아지며, 변성 전분 종류 별로 일정 사용량의 범위에서 기호도가 상승되었다. 최근 식빵 텍스쳐에 대한 기호도가 기존의 일반 식빵보다 찰지고 보습성이 있는 제품을 선호하는 경향으로 변하고 있어 밀가루에 변성 전분을 첨가하여 소비자들이 요구하는 텍스쳐의 제품을 제조할 수 있으며, 변성 전분 첨가 식빵이 대조군에 비해 firmness가 낮아짐으로서 변성 전분의 첨가가 식빵의 노화 지연에도 도움을 주는 것으로 알 수 있었다. 또한 변성 전분 첨가 시에 식빵의 텍스쳐는 향상될 수 있으며, 부피가 작아지는 특성이 수반됨을 알 수 있었으나, 이들 전분류의 특성을 파악하여 제빵에 적정량을 첨가할 경우 다양한 텍스쳐의 빵 제품들을 만들 수 있을 것으로 기대된다.

Keywords

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