Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Effects of Gamma Radiation and Methyl Bromide Fumigation on Physiological and Chemical Quality of Apples

감마선과 Methyl Bromide 처리가 사과의 생리화학적 품질에 미치는 영향

  • 강호진 (경북대학교 식품공학과 및 식품생물산업연구소) ;
  • 정헌식 (경북대학교 식품공학과 및 식품생물산업연구소) ;
  • 조덕조 (경북대학교 식품공학과 및 식품생물산업연구소) ;
  • 변명우 (한국원자력연구소) ;
  • 최성진 (대구가톨릭대학교 생명자원학부) ;
  • 최종욱 (경북대학교 식품공학과 및 식품생물산업연구소) ;
  • 권중호 (경북대학교 식품공학과 및 식품생물산업연구소)
  • Published : 2003.09.01
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Abstract

‘Fuji’ apples were treated by gamma irradiation (0 - 3 kGy) or methyl bromide fumigation at commercial conditions (MeBr, 26 g/kg, 4 hr) for quarantine purposes at two different treatment timing after harvest and stored under air at 0$^{\circ}C$ for 4 months. Associated with the treatment timing of irradiation or fumigation, after 40 days of storage at 0$^{\circ}C$ following harvest was more adequate than immediately after harvest in keeping qualities of stored apples. However, more than 2 kGy irradiation and MeBr fumigation were detrimental to physiological and chemical qualities of the fruits. These results show that less than 1 kGy irradiation at the delayed timing has a possibility to be applied as a quarantine procedure without significant changes in the quality of apples.

감마선(0, 0.5, 1, 2, 3 kGy) 조사와 methyl bromide(MeBr, 2 g/kg, 4 hr) 훈증 및 이들의 처리시기가 사과의 생리화학적 품질특성에 미치는 영향을 비교하여, 검역처리를 위한 감마선 조사의 응용성을 검토하였다. 감마선과 MeBr 처리에 따른 사과의 생리화학적 품질평가에서 2 kGy 이상의 감마선 조사와 MeBr 훈증은 사과의 일부 생리화학적 품질특성의 변화를 촉진시키는 것으로 나타났다. 감마선과 MeBr의 처리시기별로는 수확 직후보다는 저온($0^{\circ}C$)에서 40일 정도 보관한 후 처리한 것이 대체적으로 품질손상이 적은 것으로 나타났다. 따라서 1 kGy 이하의 감마선 조사와 지연조사는 사과 과실의 품질을 비교적 양호한 상태로 유지할 수 있어 검역처리 기술로 활용성이 있는 것으로 생각된다.

Keywords

References

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