한국식품과학회지 (Korean Journal of Food Science and Technology)

한국식품과학회 (Korean Society of Food Science and Technology)
권호 표지

Deoxynivalenol을 감소시킨 보릿가루의 첨가가 제빵 특성에 미치는 영향

Effects of Deoxynivalenol Reduced Barley Flours on Breadmaking Properties

  • Hwang, Young-Hee (Department of Food Science, Kangnung National University) ;
  • Lee, Won-Jong (Department of Food Science, Kangnung National University) ;
  • Kim, Young-Su (Department of Hotel Cookie & Bread, Dong-U College)
  • 발행 : 2006.04.01
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초록

본 연구는 국내에서 생산, 소비되는 쌀보리의 곰팡이독소 DON 농도를 낮추기 위해 보리시료를 $Na_2CO_3$로 처리하고, 물로 수세하여 독소의 농도를 낮추었다. 식빵을 만들기 위해 DON를 감소시킨 보릿가루를 0, 10, 20, 30%의 비율로 첨가하였을 때 식빵의 품질 및 제빵적성에 대하여 고찰하고, 최적의 배합비를 구하였다. $Na_2CO_3$ 용액으로 처리된 보릿가루를 0, 10, 20, 30% 첨가한 복합분을 이용하여 보릿가루 첨가식빵을 만드는 과정 중의 반죽상태, 1차 발효 후, 2차 발효 후 그리고 굽기 후 DON 함량변화 측정과 pH 변화, 물리적인 제빵적성 고찰, 그리고 관능평가를 종합적으로 평가한 결과, 20% 이하로 첨가하는 것이 최적인 것으로 나타났다.

Deoxynivalenol (DON)-contaminated barley was treated with 0.1 M $Na_2CO_3$ solution to reduce DON content. DON content of barley was reduced from 2.08 to 0.67 ppm. Bread was made with 10, 20, and 30% DON-reduced barley flour added to white wheat flour. Farinogram showed water absorption and arrival time increased, while stability and mechanical tolerance index decreased when DON-reduced barley flour was added to white wheat flour. Gelatinization temperature, temperature at maximum viscosity, and maximum viscosity increased in amylogram with increasing addition of DON-reduced barley flour. Loaf volume of bread decreased with increasing amount of DON-reduced barley flour, while loaf weight increased. Barley flour pH increased by treatment with$Na_2CO_3$, and pH reduction decreased fermentation rate of yeast. Volume and size of gluten matrix decreased and crumb hardened in bread made with DON-reduced barley flour. Acceptabilities for color and texture were low in bread made with DON-reduced barley flour. Addition of DON-reduced barley flour at 30% reduced overall acceptability, whereas no significant difference in overall acceptability was observed when DON-reduced barley flour was added at 10 and 20%.

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