Quality Characteristics of Jelly with Black Garlic

흑마늘을 이용한 기능성 젤리의 품질 특성

  • Lee, Ji-Yeon (Department of Food & Nutrition, Chungnam National University) ;
  • Yoon, Ho-Young (Department of Food & Nutrition, Chungnam National University) ;
  • Kim, Mee-Ree (Department of Food & Nutrition, Chungnam National University)
  • 이지연 (충남대학교 식품영양학과) ;
  • 윤호영 (충남대학교 식품영양학과) ;
  • 김미리 (충남대학교 식품영양학과)
  • Received : 2010.11.05
  • Accepted : 2010.12.22
  • Published : 2010.12.31

Abstract

In this study, the quality characteristics of jelly with black garlic (0, 10, 20, and 30%) were evaluated. The pH of jelly with black garlic decreased according to the amount of black garlic added. The sugar content of the jelly increased significantly with added black garlic. Lightness, redness, and yellowness decreased with increasing black garlic content. Moreover, the textural properties, which included hardness, springiness, cohesiveness, gumminess, and chewiness decreased in jelly that contained black garlic compared to the controls. Additionally, the antioxidant activity of jelly that contained black garlic increased in a concentration dependent manner. The $IC_{50}$ values of the DPPH radical scavenging activity for jelly that contained 10, 20 and 30% black garlic were 132.47, 50.97, 40.06, and 30.41 mg/mL, respectively. The $IC_{50}$ values of the hydroxyl radical scavenging activity of jelly decreased as the black garlic concentration increased. Finally, sensory results showed that the scores of over-all preference and buying intention for jelly with 20% black garlic were the highest.

Acknowledgement

Supported by : 한국연구재단

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