Food Engineering Progress (산업식품공학)

Korean Society for Industrial Food Engineering (한국산업식품공학회)
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pH, Moisture, Solid, Total Sugar, Amylose, Viscosity, Spreadability and Color of Puffed Rice Powder Added Tarakjuk

팽화미분 첨가에 따른 타락죽의 pH, 수분, 고형분, 총당, amylose, 점도, 퍼짐성 및 색도 변화

  • Kim, Ji-Young (Food Science & Technology Department, Seoul National University of Technology) ;
  • Kim, Ju Bong (Dongwon Research and Development Center, Dongwon F&B) ;
  • Yi, Young Hyoun (Food Science & Technology Department, Seoul National University of Technology)
  • 김지영 (서울산업대학교 식품공학과) ;
  • 김주봉 (동원F&B 동원식품과학연구원) ;
  • 이영현 (서울산업대학교 식품공학과)
  • Received : 2009.03.13
  • Accepted : 2009.05.14
  • Published : 2009.05.31
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Abstract

The pH, moisture, solid, total sugar, amylose, viscosity, line spread and color of Tarakjuk containing puffed rice powder were investigated. The pH of rice Tarakjuk was higher than that of puffed rice powder. Also, samples with whole milk powder were higher than fresh milk (p<0.05). The highest moisture contents, 84.56% was observed in rice Tarakjuk prepared with whole milk powder, while lowest 81.04% in puffed rice powder sample with fresh milk (p<0.05). Samples with lower moisture contents resulted in greater solid contents (p<0.05). Higher total sugar contents were noticed in cooked samples than uncooked ones, however no differences were found among cooked ones (p<0.05). Amylose contents of puffed rice powder Tarakjuk were higher than rice sample (p<0.05). The rice Tarakjuk showed higher viscosity and lower spreadability (p<0.05). Higher "L" value was observed in rice. Highest "a" values were shown in puffed rice powder and lowest value in rice with fresh milk (p<0.05). The "b" value tended to be similar to "a" value.

팽화미분을 활용한 타락죽의 제품화를 위한 기초자료를 제공하기 위해서 팽화미분 첨가에 따른 타락죽의 pH, 수분, 고형분, 총당, 아밀로스, 점도, 퍼짐성 그리고 색도 변화를 조사하였다. 타락죽의 pH는 갈은 쌀로 제조한 시료가 팽화미분으로 제조한 시료보다 높았다. 그리고 분유를 첨가한 시료도 우유를 첨가한 시료보다 높았다(p<0.05). 수분 함량은 갈은 쌀과 분유를 혼합한 타락죽이 84.56%로 가장 높았고, 팽화미분과 우유를 혼합한 타락죽은 81.04%로 가장 낮았다(p<0.05). 고형분 함량은 수분함량과 반대되는 결과를 보였다(p<0.05). 총당 함량은 조리 시 가열처리한 시료사이에서 유의적인 차이가 없었고 가열처리하지 않은 시료보다 높았다(p<0.05). 팽화미분으로 제조한 타락죽의 아밀 로스 함량이 갈은 쌀로 제조한 타락죽보다 높았다(p<0.05). 점도는 갈은 쌀 타락죽이 팽화미분 타락죽보다 높았으며 (p<0.05) 아밀로스 함량과 반비례하는 결과를 보였다. 퍼짐성은 점도와 상반되는 결과를 보였다(p<0.05). L값은 갈은쌀 타락죽이 팽화미분 타락죽보다 높았다. 적색도는 팽화미분 타락죽이 가장 높았으며(p<0.05), 갈은 쌀과 우유를 혼합한 시료가 가장 낮게 나타나 L값과 반대되는 결과를 보였다. 황색도는 a값과 유사한 경향을 보였다.

Keywords

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