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계란의 신선도 결정과 영상분석을 이용한 내부품질 측정

Determination of Egg Freshness and Internal Quality Measurement Using Image Analysis

  • Kim, Hyeon-T. (Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University) ;
  • Ko, Han-J. (Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University) ;
  • Kim, Ki-Y. (Institute of Environmental and Industrial Medicine, Hanyang University) ;
  • Kato, K. (Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University) ;
  • Kita, Y. (Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University) ;
  • Nishizu, T. (Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University)
  • 발행 : 2007.06.25

초록

Egg quality indices are related with freshness, size of air chamber, loss of weight, and viscosity of the yolk and the protein. However, since the described quality parameters require measured in a destructive way, it is not suitable to inspect the egg quality with complete enumeration. Therefore, this study was performed to investigate the potential of image analysis method for evaluation of internal egg quality. Samples of 90 fresh eggs were collected immediately after laying and stored up to 24 days. Five eggs were randomly drawn from each storage condition (packing vs unpacking) at a regular interval and loss of weight, specific gravity and size of air chamber were measured. The image analysis for nondestructive measurement of size of air chamber was also studied. Results showed that the egg weight and gravity gradually decreased with increasing of storage days, while the size of air chamber linear increased caused by evaporation of water through the shell. A relationship a between conventional method and the image analysis method for measuring the size of air chamber was developed with the correlation coefficient of 0.928. The new finding implied that image analysis might provide a useful nondestructive tool to assess internal egg quality.

키워드

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  2. Quality Factors Affecting Egg Freshness and Palatability During Storage vol.46, pp.3, 2014, https://doi.org/10.9721/KJFST.2014.46.3.295
  3. Effects of Storage Time and Temperature on the Hygienic Quality of Shell Eggs vol.41, pp.6, 2015, https://doi.org/10.5668/JEHS.2015.41.6.438