한국포장학회지 (KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY)

한국포장학회 (Korea Society of Packaging Science and Technology)
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산소투과도를 달리한 MA 필름으로 포장한 딸기 '매향'의 모의 수출 조건에서 품질 고찰

Study on Strawberry 'Maehyang' Qualities Packed with MA film of Different Oxygen Transmission Rate during Simulated Export Distribution Conditions

  • 윤혁성 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 최인이 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 한수정 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 김주영 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 최가은 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 윤재수 (강원대학교 원예.시스템공학부 원예과학전공) ;
  • 강호민 (강원대학교 원예.시스템공학부 원예과학전공)
  • Yoon, Hyuk Sung (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Choi, In-Lee (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Han, Su Jung (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Kim, Ju Young (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Choi, Ga Eun (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Yoon, Jae Su (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University) ;
  • Kang, Ho-Min (Division of Horticulture and Systems Engineering, Program of Horticulture, Kangwon National University)
  • 투고 : 2017.05.29
  • 심사 : 2017.07.26
  • 발행 : 2017.08.31
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초록

본 연구는 딸기(cv. 'Maehyang')의 모의 선박 수출 온도조건($2^{\circ}C$(10일${\sim}8^{\circ}C$(11일))에서 MA 저장에 적합한 고 산소투과율(OTR) 필름 종류 구명과 이에 따른 품질 변화를 알아보기 위해 실시하였다. MA 저장 처리는 산소투과율이 각각 1,300, 10,000, 20,000, 그리고 $30,000cc/m^2{\cdot}day{\cdot}atm$ OTR 필름으로 하였고, 관행 유통 처리는 유공 필름으로 포장한 대조구로 두었다. 저장 중 생체중 감소율은 유공 필름을 제외한 모든 MA 저장 처리에서 0.5% 미만이었다. 포장 내 이산화탄소와 산소 농도는 10,000 cc, 20,000 cc, 그리고 30,000 cc OTR 필름에서 딸기의 적정 CA/MA 조건(이산화탄소 15~20%, 산소 농도 5~10%)을 유지하였다. 에틸렌 농도는 처리간 차이를 보이지 않았다. 이취는 1,300 cc OTR 필름은 관능 평가를 통해 높은 이취와 가장 낮은 곰팡이 발생률을 보였다. 경도, 당도, 그리고 외관상 품질은 10,000 cc OTR 필름에서 가장 높게 유지되었다. 결론적으로, 10,000 cc OTR 필름은 가장 높은 품질과 관행 유통 조건보다 저장 수명을 13일 정도 연장할 수 있었다.

This study was conducted to determine types of oxygen transmission rate (OTR) films suitable for modified atmosphere (MA) storage treatment of strawberries (cv. 'Maehyang') for export and examination related changes in quality of strawberries during simulated shipping distribution conditions ($2^{\circ}C$ for $10days{\sim}8^{\circ}C$ for 11 days). Strawberries were packed by 1,300, 10,000, 20,000, and $30,000cc/m^2{\cdot}day{\cdot}atm$ OTR films for MA storage treatment and perforated film as the control for MAP. Fresh weight loss rate was less than 0.5% in OTR films except for the perforated film. Carbon dioxide and oxygen content in packages prevailed in permissible range for strawberries under recommended CA/MA conditions (i.e., $CO_2$: 15~20%, $O_2$: 5~10%) at 10,000 cc, 20,000 cc, and 30,000 cc OTR films. Ethylene content in OTR films did not reveal significant differences during storage. The 1,300 cc OTR film revealed highest off-flavor and lowest fungal incidence rate by sensory evaluation. The firmness, soluble solids, and visual quality were preserved the highest at 10,000 cc OTR film. In conclusion, 10,000 cc OTR film preserved the highest quality and extended shelf-life by 13 days if compared with conventional distribution conditions.

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참고문헌

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