Quality Characteristics of Muffin Added with Rice Bran Powder

미강을 첨가한 머핀의 품질 특성

  • Jang, Kyung-Hee (Dept. of Food Science & Technology, Yeungnam University) ;
  • Kang, Woo-Won (Dept. of Food Science & Nutrition, Kyungpook National University) ;
  • Kwak, Eun-Jung (Dept. of Food Science & Technology, Yeungnam University)
  • Received : 2012.07.25
  • Accepted : 2012.08.22
  • Published : 2012.08.31

Abstract

Muffins were prepared with different amounts of rice bran powder (0~30%), and their quality characteristics were investigated. The specific gravity of batters increased with increasing rice bran. While the initial pasting temperature increased with increasing rice bran amount, peak viscosity and viscosity at $95^{\circ}C$ after 15 min gradually decreased. The pH value of batters and muffins decreased with increasing rice bran amount. Moisture content of muffins was affected by the addition of rice bran powder. The lightness and yellowness values of muffins decreased with increasing rice bran amount, whereas redness value increased. For textural characteristics, hardness, gumminess and chewiness of muffins significantly increased with increasing rice bran amount, whereas cohesiveness and springiness decreased. Aircell uniformity of muffins became larger and more random as rice bran powder content increased. In the sensory evaluation, scores of taste and texture were the highest in muffin added with 5% rice bran powder. Overall acceptability was highest in control and the 5% group without any significant difference. Values of color, flavor, taste, texture and overall acceptability of muffins tended to decrease as rice bran powder content increased.

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