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Quality Properties of Omija Beverage Based on the Storage Container and Storage Temperature

용기 및 저장온도가 오미자음료 품질에 미치는 영향

  • Choi, Eun Young (Department of Nutrition and Cooking, Gyeongbuk College) ;
  • Yu, Jin-Hyeon (Department of Food and Cookery Science, Shinhan university) ;
  • An, Hui Jeong (Food Industry Research Institute, Gyeongbuk College)
  • 최은영 (경북전문대학교 식품영양과) ;
  • 유진현 (신한대학교 식품조리과) ;
  • 안희정 (경북전문대학교 식품산업연구소)
  • Received : 2017.07.11
  • Accepted : 2017.08.24
  • Published : 2017.11.30

Abstract

This study compared the physicochemical quality characteristics of the Omija beverage for 36 weeks (9 months) depending on the storage container and storage temperature. From 3 weeks of storage, the optical density showed a significant difference according to the storage container, and the soluble solid contents showed a significant difference according to the storage container, storage temperature, and storage container${\times}$temperature. The total polyphenol and total acidity decreased slightly in the late storage period at all transparent and brown bottle treatments but the pH increased slightly. Generally, changes in the quality characteristics of Omija beverage at $4^{\circ}C$ storage were less than that at $20^{\circ}C$ and $36^{\circ}C$ storage. Correlation analysis of each factors, optical density, soluble solid content, total polyphenol, pH, and total acidity showed a positive correlation with each item according to the storage period. The storage period, particularly the transparent bottle treatment, appeared to have a significant impact on reducing the optical density. A few quality changes were observed after the brown bottle treatment for 36 weeks. In addition the stability according to the storage temperature was confirmed in each treatment. The brown bottle treatment is effective in maintaining the quality of Omija beverage for 36 weeks.

본 실험은 36주(9개월) 동안 오미자음료의 저장용기 및 저장온도에 따른 이화학적 품질 특성을 비교 분석하였다. 저장 3주부터 흡광도는 저장용기에서 고도로 유의적인 차이를 보였고, 총 가용성 고형분 함량은 저장용기, 저장온도, 저장용기${\times}$온도 등 모든 요인에서 고도로 유의한 차를 나타냈다. 총 페놀성 화합물, 총산도는 투명병 처리, 갈색병 처리 모두 저장후기에 조금 감소하였고, pH는 조금 증가하였다. 전반적으로 $4^{\circ}C$ 저장이 $20^{\circ}C$$36^{\circ}C$ 저장보다 오미자음료 품질 특성 변화가 적었다. 각 인자들의 상관성을 분석한 결과 저장기간에 의한 흡광도, 가용성 고형분, 총 페놀성 화합물, pH, 총산도는 모두 각각의 항목들에 대한 양의 상관관계를 보였다. 오미자음료의 투명병 처리는 저장기간이 경과되면서 오미자음료의 흡광도 감소에 많은 영향을 주는 것으로 나타났다. 갈색병 처리는 9개월 동안 품질 변화가 적었고, 각각의 저장온도에 의한 안전성이 확인되었다. 위 결과로 보아 갈색병 처리는 36주 동안 오미자음료 품질유지에 적합한 것으로 생각된다.

Keywords

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