Characteristics of Dough Fermentation and Quality Characteristics of Bread Using Submerged-Culture Broth of Fomitopsis pinicola Mycelium

소나무잔나비버섯(Fomitopsis pinicola) 균사체 배양액을 이용한 반죽의 발효와 빵의 품질특성

  • Lee Seung-Bae (Department of Food Science and Techology, Food Industrial Technology, Catholic University of Daegu) ;
  • Oh Seung-Hee (Department of Diet and Culinary Art Pohang College) ;
  • Lee Ye-Kyung (Department of Food Science and Techology, Food Industrial Technology, Catholic University of Daegu) ;
  • Kim Soon-Dong (Department of Food Science and Techology, Food Industrial Technology, Catholic University of Daegu)
  • 이승배 (대구가톨릭대학교 식품산업학부) ;
  • 오승희 (포항대학) ;
  • 이예경 (대구가톨릭대학교 식품산업학부) ;
  • 김순동 (대구가톨릭대학교 식품산업학부)
  • Published : 2005.12.01

Abstract

Dough fermentation characteristics and quality characteristics of bread added with different concentration(0, 30, 40 and $50\%$ against water) of submerged-culture broth of Fomitopsis pinicola mycelium (CM) were investigated There were positive correlations between CM concentration and dough pH(r=0.98), acidity(r=-0.88), dough thickness(r=0.95) and dough strength(r=0.95). Baking loss rate was decreased with increasing of CM concentration. There was no significant difference between loaf volume index and CM concentration ($30\~40\%$, but the index of CM $50\%$ bread was lower than that of control. L* value of top crust in the CM $50\%$ bread was significantly lower than those of CM $0\~40\%$ bread, while the value of internal tissue was increased with increasing of CM concentration. In the CM $30\~40\%$ bread, hardness was lower, but there were no significant difference in cohesiveness, springiness, chewiness and brittleness compared with control. Appearance, color, taste, texture and overall acceptability of CM $30\~40\%$ bread were similar to those of control. In the results estimated by correlation analysis, the increased pH of the dough by adding CM allowed lowering hardness of the bread By adding CM in bread, retrogradations were delayed, and growth of mold was decreased during storage. In conclusion, the optimum concentration of CM in bread which showed anti-diabetic effect as well as not dropped quality characteristics were $30\~40\%$.

소나무 잔나비버섯 균사체 배양액(CM)을 이용한 빵 제조를 위하여 첨가량($30\~50\%$)에 따른 반죽의 발효 및 빵의 품질특성에 미치는 영향을 조사하였다. CM의 첨가량과 반죽의 품질지표(pH, 산도, 반죽부피, 되기, 강도 및 점도) 상호간의 상관분석을 행한 결과 CM은 반죽의 pH를 높임으로서 반죽의 되기 및 강도를 높이는 반면 점도를 감소시켰다. 첨가에 따라 굽기 손실률은 첨가에 따라 감소하였으나, loaf volume index는 첨가량에 따른 대조구와의 유의성은 없었다. 빵 껍질의 L*값은 $30\~40\%$에서는 대조구와 유의차가 없었다. CM을 $30\~40\%$ 첨가한 빵은 대조구보다 낮은 경도(hardness)를 보였다. 그러나 $50\%$ 첨가구에서는 탄력성(springiness), 씹힘성(chewiness) 및 깨짐성(brittleness)이 대조구보다 낮았다. 빵의 외관, 색상 및 조직감은 $30\~40\%$ 범위까지 첨가한 경우는 대조구와 대등한 값을 보였으나 $50\%$ 첨가구에서는 낮은 기호도를 나타내었다. CM을 첨가한 빵은 첨가농도에 비례하여 낮은 노화도를 나타내었으며, 곰팡이 발생도가 낮았다. 이상에서와 전보의 결과를 종합할 때 CM을 $40\%$수준으로 첨가할 경우 빵의 전반적인 품질에 큰 영향을 미치지 않으면서 항당뇨 기능성의 빵 제조가 가능할 것으로 판단되었다.

Keywords

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