벼 8품종의 현미와 백미로 쌀빵을 제조하여 쌀빵가공성에 대한 벼 품종간 및 현 백미간 비교를 실시하고 관련특성간 상관관계를 살펴 보았다. 벼 품종간에는 제빵성의 차이가 있으나 현미와 백미간에는 유의한 차이가 없었다. 그러나 품종에 따라서는 현미와 백미간에 쌀빵특성의 현저한 차이를 나타내었다. 찰벼 품종인 한강찰벼는 백미로는 쌀빵의 제조가 불가능하였으나 현미로는 다른 어떤 품종 보다도 제빵성이 우수한 결과를 얻었다. 메벼 품종들 중에서는 AC 27, IR 44, 수원조가 백미의 제빵성이 우수하였고, 이 세 품종을 제외하고는 모두 백미보다 현미로 쌀빵을 만들 경우 가공특성이 좋은 경향이 있었다. 쌀의 일반성분 및 쌀빵의 제 특성 간의 상관성을 현미와 백미에 대해 별도로 살펴보면, 현미의 경우에는 부피 증가율이 큰 쌀빵 반죽일수록 푹신한 감이 있는 쌀빵 제조가 가능하였고, 촉촉한 쌀빵일수록 부드럽고 응집성이 높은 경향이었다. 백미의 경우에는 단백질 함량이 낮을수록 촉촉한 느낌의 쌀빵이 되는 경향이었으며, 지질함량이 높을수록 기공의 크기가 작고 균일하며 탄력성이 적은 쌀빵이 제조되는 경향이 있었다 또한 쌀빵 성형이 양호할수록 경도 및 씹힘성이 낮은 부드러운 빵이되는 경향이었으며, 기공의 크기가 균일할수록 기공의 크기가 작으면서 푹신한 감이나 탄력성이 낮은 빵이 되는 경향이었다.
벼 8품종의 현미와 백미로 쌀빵을 제조하여 쌀빵가공성에 대한 벼 품종간 및 현 백미간 비교를 실시하고 관련특성간 상관관계를 살펴 보았다. 벼 품종간에는 제빵성의 차이가 있으나 현미와 백미간에는 유의한 차이가 없었다. 그러나 품종에 따라서는 현미와 백미간에 쌀빵특성의 현저한 차이를 나타내었다. 찰벼 품종인 한강찰벼는 백미로는 쌀빵의 제조가 불가능하였으나 현미로는 다른 어떤 품종 보다도 제빵성이 우수한 결과를 얻었다. 메벼 품종들 중에서는 AC 27, IR 44, 수원조가 백미의 제빵성이 우수하였고, 이 세 품종을 제외하고는 모두 백미보다 현미로 쌀빵을 만들 경우 가공특성이 좋은 경향이 있었다. 쌀의 일반성분 및 쌀빵의 제 특성 간의 상관성을 현미와 백미에 대해 별도로 살펴보면, 현미의 경우에는 부피 증가율이 큰 쌀빵 반죽일수록 푹신한 감이 있는 쌀빵 제조가 가능하였고, 촉촉한 쌀빵일수록 부드럽고 응집성이 높은 경향이었다. 백미의 경우에는 단백질 함량이 낮을수록 촉촉한 느낌의 쌀빵이 되는 경향이었으며, 지질함량이 높을수록 기공의 크기가 작고 균일하며 탄력성이 적은 쌀빵이 제조되는 경향이 있었다 또한 쌀빵 성형이 양호할수록 경도 및 씹힘성이 낮은 부드러운 빵이되는 경향이었으며, 기공의 크기가 균일할수록 기공의 크기가 작으면서 푹신한 감이나 탄력성이 낮은 빵이 되는 경향이었다.
The experiments of rice bread processing were carried out to compare the varietal difference in processing adaptability to rice bread between brown and milled rice flour, and to analyze the interrelations among chemical properties of rice grain and some characteristics relevant to rice bread process...
The experiments of rice bread processing were carried out to compare the varietal difference in processing adaptability to rice bread between brown and milled rice flour, and to analyze the interrelations among chemical properties of rice grain and some characteristics relevant to rice bread processing and quality There was varietal difference in adaptability to rice bread processing in both brown and milled rice, but there was not significant adaptability difference between brown and milled rice flours to rice bread processing. However, there was remarkable adaptability difference between brown and milled rice flours to rice bread processing in some rice varieties. Three high-amylose rices AC 27, IR 44, Suweonjo showed high quality of milled rice bread among tested rice materials. Brown rice revealed better adaptability to rice bread processing compared with milled rice in all varieties except the above three varieties. Especially, the glutinous rice Hangangchalbyeo failed to normal formation of rice bread from milled rice flour, but it showed the successful formation of rice bread from brown rice flour. The interrelations among chemical components of rice grain and some characteristics relevant to rice bread processing and quality exhibited quite different tendency between brown and milled rices. In the case of rice bread processing by brown rice flour, the larger volume expansion of dough during fermentation made the more springy rice bread and the more moist rice bread showed the more soft and cohesive physical property. In the case of rice bread processing by milled rice flour, the lower protein of rice flour was closely associated with the more moistness of rice bread and the higher lipid led to the more uniformal air pore distribution, the smaller pore size and the lower springiness of rice bread. Also, the larger volume expansion of dough during fermentation made the better loaf formation and the larger pore size of rice bread. The better loaf formation of rice bread revealed the softer hardness and the lower chewiness, and the lower springiness was closely correlated with the more uniformal size distribution of air pore and the smaller pore size in rice bread.
The experiments of rice bread processing were carried out to compare the varietal difference in processing adaptability to rice bread between brown and milled rice flour, and to analyze the interrelations among chemical properties of rice grain and some characteristics relevant to rice bread processing and quality There was varietal difference in adaptability to rice bread processing in both brown and milled rice, but there was not significant adaptability difference between brown and milled rice flours to rice bread processing. However, there was remarkable adaptability difference between brown and milled rice flours to rice bread processing in some rice varieties. Three high-amylose rices AC 27, IR 44, Suweonjo showed high quality of milled rice bread among tested rice materials. Brown rice revealed better adaptability to rice bread processing compared with milled rice in all varieties except the above three varieties. Especially, the glutinous rice Hangangchalbyeo failed to normal formation of rice bread from milled rice flour, but it showed the successful formation of rice bread from brown rice flour. The interrelations among chemical components of rice grain and some characteristics relevant to rice bread processing and quality exhibited quite different tendency between brown and milled rices. In the case of rice bread processing by brown rice flour, the larger volume expansion of dough during fermentation made the more springy rice bread and the more moist rice bread showed the more soft and cohesive physical property. In the case of rice bread processing by milled rice flour, the lower protein of rice flour was closely associated with the more moistness of rice bread and the higher lipid led to the more uniformal air pore distribution, the smaller pore size and the lower springiness of rice bread. Also, the larger volume expansion of dough during fermentation made the better loaf formation and the larger pore size of rice bread. The better loaf formation of rice bread revealed the softer hardness and the lower chewiness, and the lower springiness was closely correlated with the more uniformal size distribution of air pore and the smaller pore size in rice bread.
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