Journal of the East Asian Society of Dietary Life (동아시아식생활학회지)

The East Asian Society of Dietary Life (동아시아식생활학회)
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A Study on the Quality Characteristics of Gruel Supplemented with Purple Sweet Potato

자색고구마를 활용한 노인식 죽의 개발 및 품질 특성

  • Lee, Seung-Min (Dept. of Culinary & Foodservice Management, Sejong University)
  • 이승민 (세종대학교 조리외식경영학과)
  • Received : 2013.02.20
  • Accepted : 2013.04.22
  • Published : 2013.04.30
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Abstract

This study investigated the quality characteristics of gruel supplemented with purple sweet potato. The gruel was prepared with rice powder, salt, and various amounts of purple sweet potato (0, 2, 4, 6, 8%). Increasing the content of purple sweet potato decreased the pH and viscosity of the gruel, whereas sugar content and spreadability gradually increased. In addition, the content of purple sweet potato increased, the lightness (L) significantly decreased, while redness (a) and yellowness (b) increased. The results of the sensory evaluation show that overall-acceptability was highest for the gruel containing 6% purple sweet potato. In conclusion, the results shows that the gruel with 6% purple sweet potato is the best. This study indicates that it is possible to enhance the quality and acceptability of gruel by adding purple sweet potato powder.

Keywords

References

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