산업식품공학 (Food Engineering Progress)

  • 제21권4호
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  • Pages.351-359
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  • 2017
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  • 1226-4768(pISSN)
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  • 2288-1247(eISSN)
한국산업식품공학회 (Korean Society for Industrial Food Engineering)
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압출성형 공정변수에 따른 율피분말 첨가 반죽의 물성과 식빵의 품질특성

Quality Characteristics of Dough and Bread Added With Extruded Chestnut Shell Powder Under Various Conditions

  • Lee, Jeong Sug (Department of Food Science and Technology, Kongju National University) ;
  • Yoon, Seong Jun (Department of Baking Science and Technology, Hyejeon College) ;
  • Ryu, Gi-Hyung (Department of Food Science and Technology, Kongju National University)
  • 투고 : 2017.10.20
  • 심사 : 2017.10.26
  • 발행 : 2017.11.30
⟨ 이전 논문 다음 논문 ⟩

초록

본 연구는 율피분말을 제빵에 효과적으로 활용하기 위한 방안으로 율피분말 및 압출성형 공정변수를 달리한 율피분말 6%를 첨가하여 반죽의 물성과 식빵의 품질특성을 조사하였다. 율피의 압출성형 공정변수는 수분함량 25%와 30%, 용융물 온도는 110, 130, $150^{\circ}C$로 조절하였다. 총 식이섬유 함량은 압출성형 율피분말에서 약간 증가하였으며, 총 폴리페놀 함량은 율피분말이 869.09 mg인데 비하여 수분함량 25%, 용융물 온도 $150^{\circ}C$에서 1,397.17 mg까지 증가하였다. 패리노그램에서, 반죽의 흡수율은 대조군과 율피분말에 비해 압출성형 공정변수 수분함량 25%와 수분함량 30%의 실험군에서 유의적인 증가를 보였다(p<0.05). 2시간 및 3시간 이후의 발효팽창력은 수분함량 25%의 용융물 온도 $150^{\circ}C$와 수분함량 30%의 용융물 온도 $150^{\circ}C$에서 대조군과 비슷한 경향을 나타내었다. 비용적은 대조군이 $3.74{\pm}0.08cc/g$으로 가장 높았으며, 율피분말에 비하여 압출성형율피분말 실험군이 높게 관측되었다(p<0.05). 1일 경과 후의 경도는 수분함량 25%의 용융물 온도 $150^{\circ}C$에서 $113.33{\pm}6.17g$으로 대조군의 $107.42{\pm}14.52g$과 비슷하였다. 이상의 결과로 수분함량 25%의 용융물 온도 $150^{\circ}C$ 및 수분함량 30%의 용융물 온도 $130^{\circ}C$에서 반죽의 물성과 식빵의 품질특성이 전반적으로 향상된 것을 알 수 있었다. 이는 부재료의 첨가에도 불구하고 압출성형 율피분말 전분의 호화 및 식이섬유소의 수분흡수력이 반죽의 물성과 식빵의 품질특성에 영향을 준 것으로 보인다.

This study investigates the quality characteristics of dough and bread added with 6% chestnut shell powder and extruded chestnut shell powder at various conditions. As extrusion process variables, melt temperature ($110^{\circ}C$, $130^{\circ}C$, $150^{\circ}C$) and moisture (25% and 30%) were controlled. Total dietary fiber content was slightly increased in extruded chestnut shell powder group. In the farinogram, absorption was significantly increased in the group of 25% moisture content and 30% moisture content (p<0.05). After 2 hours and 3 hours, the leavening heights of dough for control showed a similar tendency to that of dough with extruded chestnut shell at a melt temperature $150^{\circ}C$ and with moisture content of 25% and 30%. Specific volume was the highest at a control of $3.74{\pm}0.08cc/g$ and extruded chestnut shell powder group was slightly higher than the chestnut shell powder group. Firmness after 1 day on control of $107.42{\pm}14.52g$ was similar to that of the bread with extruded chestnut shell at a temperature of $150^{\circ}C$ and moisture content of 25% for $113.33{\pm}6.17g$. In conclusion, the extrusion-cooking of chestnut shell powder improved the quality characteristics of dough and bread. The optimum combinations of conditions in tested range were melt temperature at $150^{\circ}C$ and moisture content at 25%, and melt temperature at $130^{\circ}C$ and moisture content at 30%.

키워드

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