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Sensory Quality Improvement of Gamma-irradiated Kimchi after Addition of Paprika Oleoresin and Artificial Kimchi Flavor

파프리카색소와 김치향 첨가 후 감마선 조사된 김치의 관능적 품질 개선

  • Kim, Mi-Jung (Dept. of Food Science and Nutrition, Anyang University) ;
  • Song, Beom-Seok (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Park, Jin-Gyu (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Han, In-Jun (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Park, Jae-Nam (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Choi, Jong-Il (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Jae-Hun (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Byun, Myung-Woo (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Lee, Kyung-Haeng (Division of Food and Biotechnology, Chungju National University) ;
  • Lee, Ju-Woon (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 김미정 (안양대학교 식품영양학과) ;
  • 송범석 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 박진규 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 한인준 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 박재남 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 최종일 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 김재훈 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 변명우 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실) ;
  • 이경행 (충주대학교 식품생명공학부) ;
  • 이주운 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학연구실)
  • Published : 2008.02.29

Abstract

Paprika oleoresin (PO) and artificial Kimchi flavor (AKF) were added to Kimchi to improve the sensory qualities deteriorated by gamma irradiation in terms of color and flavor. Optimum concentration of both PO and AKF resulting from the sensory evaluation was 0.2%. The redness and capsanthin contents of Kimchi decreased by gamma irradiation at 25 kGy during storage at $35^{\circ}C$. However, the redness and capsanthin contents of gamma-irradiated Kimchi was increased by the addition of 0.2% PO, and maintained during the storage at $35^{\circ}C$ for 30 days. The result from the sensory evaluation indicated that sensory qualities of gamma-irradiated Kimchi were effectively improved by the addition of PO and AKF during storage at $35^{\circ}C$. Therefore, the combined treatment of additives (PO and AKF) and gamma irradiation can be considered as an effective method to improve the redness and sensory qualities of Kimchi sterilized by high-dose gamma irradiation.

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