Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Quality Characteristics of Topokkidduk Added with Soybean Flour

대두분말 첨가 떡볶이 떡의 품질특성

  • Received : 2012.07.05
  • Accepted : 2012.09.21
  • Published : 2012.10.30
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Abstract

The effect of soybean flour (0, 5, 10, and 15%) on the quality characteristics (moisture, color, water absorption, solid content, texture properties, and sensory properties) of Topokkidduk stored for two days was studied. The moisture content of Topokkidduk increased with increasing soybean flour concentration at all the storage times. The moisture contents of SF15 (soybean flour 15%) on storage days 0, 1, and 2 were 46.30, 46.30, and 45.00%, respectively. SF15 had the highest moisture content among all the samples. The color of Topokkidduk (L value) decreased whereas its a and b values significantly increased with increased soybean flour concentration (p<0.05). The cooking properties (e.g., water absorption and solid content) resulted from the opposite conditions. Thus, the water absorption decreased and the solid content increased with increasing soybean flour concentration. The texture analyzer revealed that the hardness, chewiness, and cohesiveness of Topokkidduk decreased and that its adhesiveness increased with soybean flour addition, but there were no significant differences in these according to the soybean powder concentration. The taste, flavor, color, hardness, springiness, and overall acceptability values of Topokkidduk containing SF5 (soybean flour 5%) after two storage days, obtained through a sensory test, were highest among all the samples. These results suggest that soybean flour may be utilized as a functional and valuable ingredient in Topokkidduk.

대두분말을 떡볶이 떡에 첨가하여 수분, 색도, 조리특성, 기계적 조직감 및 관능적 품질특성을 살펴보았다. 대두분말 첨가 떡볶이 떡의 수분함량은 모든 저장기간에서 대두분말 함량이 증가할수록 높은 경향을 나타내었다. 대두분말 15% 첨가군인 SF15는 저장 0, 1, 2일째에 각각 46.30, 46.30, 45.00%로 전 처리군 중에서 가장 높은 수분함량을 보였다. 대두분말을 첨가한 처리군이 첨가하지 않은 처리군보다 L값은 낮았고 첨가한 처리군들간에는 대두분말이 증가할수록 L값은 감소하였고 a, b 값은 증가하는 경향을 보였다. 저장 1일째까지는 색을 유지하였다가 저장 2일째에는 유의적으로 변화하였다. 조리특성 결과, 대두분말함량이 증가할수록 수분 흡수율은 감소하였고 고형물 용출량은 증가하였다. 기계적 조직감 특성결과, 떡볶이 떡의 경도, 씹힘성, 응집성은 대두분말을 첨가한 처리군이 대조군에 비해 낮은 값을 보였으나 대두분말 첨가량에 따른 유의적인 차이는 보이지 않았다. 탄력성은 전처리구간에서 유의적인 차이가 없었으며 부착성은 증가하는 경향을 보였다. 대두분말 첨가 떡볶이 떡의 관능적 특성 결과 맛, 향, 색, 경도, 탄력성 및 전반적인 기호도에서 저장기간 0, 1, 2 일째 모두에서 대두분말 5% 첨가한 떡볶이 떡의 품질이 가장 우수한 점수를 보였다. 이상의 연구결과들을 토대로 떡볶이 떡에 식이섬유와 단백질 급원인 대두분말을 첨가하였을 시 떡의 수분을 유지시켜 조직감 및 관능적 특성에 긍정적인 영향을 주었으며 5% 첨가군이 맛과 향, 조직감 및 전반적인 기호도가 가장 우수하여 제조 시 적합할 것으로 판단되며 향후 기능성과 품질이 우수한 떡볶이 떡을 제조할 수 있을 것으로 기대되었다.

Keywords

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