Physicochemical and Sensory Characteristics of Pickled Hen Egg and Its Calcium Content and Antioxidative Activity

  • Jang, Aera (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Nam, Ki-Chang (Examination Division of Chemical & Biological Resources, Korean Intellectual Property Office) ;
  • Liu, Xian-De (Department of Animal Science and Biotechnology, Chungnam National University) ;
  • Lee, Moo-Ha (Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Science, Seoul National University) ;
  • Kim, Dong-Ho (Radiation Research Center for Bio-Technology, Korea Atomic Energy Research Institute) ;
  • Jo, Cheor-Un (Department of Animal Science and Biotechnology, Chungnam National University)
  • 발행 : 2008.10.31

초록

Pickled hen egg dipped in brewed apple vinegar for 7 and 14 days was prepared and changes of weight, pH, viscosity, calcium content, antioxidative effect, and sensory characteristics were determined. During a pickling, the egg weight was increased from 62.03 g at day 0 to 91.13 and 94.93 g at day 7 and 14, respectively. The pH of the egg white and yolk, initially at pH 10.24 and 6.56, was decreased, while that of the pickling solution was increased by the pickling days. Viscosity of the pickled egg white was significantly decreased with the pickling days (p<0.05). Significant antioxidative effect was found from the pickled egg mixture (egg white:yolk=1:1). Calcium content of the egg white after 7 and 14 days of the pickling was 280-300 times higher than the fresh egg white and 1.9 times higher than fresh egg yolk. Addition of plain yogurt and honey improved the sensory quality of a pickled egg and was able to mask the unpleasant sour taste. Results suggest that, in addition to the use of pickled egg by itself, egg-based foods such as mayonnaise with enforced calcium content can be developed using a pickled egg.

키워드

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