Sutdies on Quality Characteristics of Jeju Mandarin Orange Jelly for the Aged

고령자용 감귤젤리의 품질 특성 연구

  • Lee, Ji-Eun (Deptartment of Food and Nutrition , The Catholic University of Korea) ;
  • Choi, Eun-Jung (Deptartment of Food and Nutrition , The Catholic University of Korea) ;
  • Oh, Myung-Suk (Deptartment of Food and Nutrition , The Catholic University of Korea)
  • 이지은 (가톨릭대학교 식품영양학과) ;
  • 최은정 (가톨릭대학교 식품영양학과) ;
  • 오명숙 (가톨릭대학교 식품영양학과)
  • Published : 2007.09.30

Abstract

This study was carried out to determine the quality characteristics of Jeju mandarin orange jelly with various gelling agent such as agar, ${\kappa}-carrageenan$ and gellan gum for the aged. The concentration of agar was 0.4-0.6% and that of ${\kappa}-carrageenan$ and gellan gum was 0.2-0.4%. The color value, gelling temperature, melting temperature, break down rate, textural properties and sensory acceptance test of Jeju mandarin orange jelly with various gelling agent were measured. Average age of the subjects for acceptance test was 78.23. Redness and yellowness of Jeju mandarin orange jelly with agar was lower than that with ${\kappa}-carrageenan$. The gelling and melting temperature of Jeju mandarin orange jelly with agar was lowest among the jellies. Break down rate of Jeju mandarin orange jelly with agar was highest among the jellies. Above results showed that the stability of Jeju mandarin orange jelly with agar was inferior than that with ${\kappa}-carrageenan$ and gellan gum. Hardness, adhesiveness and springiness of Jeju mandarin orange jelly with agar was lowest among the jellies and sensory acceptance of Jeju mandarin orange jelly with gellan gum was highest among them. Thus, gellan gum was appropriate gelling agent for the Jeju mandarin orange jelly with regard to the acceptability and the depression of sour taste in Jeju mandarin orange jelly could improve the acceptability for the aged.

Keywords

Jeju mandarin orange jelly;quality characteristics;aged

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