Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effects of Calcium Chloride Treatment and Modified Atmosphere Packaging on the Quality Change of 'Fuji' Apple

염화칼슘 처리와 MAP 저장이 '후지' 사과의 품질변화에 미치는 영향

  • Published : 2007.10.28
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Abstract

We investigated the effects of both $CaCl_2$ treatment and modified atmosphere packaging (MAP) (compared with non-packaging on 'Fuji' apples from the Young-Joo region of Korea. Apples were dined into 5% (w/v) $CaCl_2$ solution for 15 min and then packaged with or without LDPE film (thickness: 0.025 mm) before cold storage at $0^{\circ}C$. Weight loss of applies in film packaging was lower than that of non-packaging applies, and the apple firmness resulting from $CaCl_2$ treatment and MAP was better than that of apples receiving control treatment. Also, $CaCl_2$ treatment and MAP resulted in improvements in titratable acidity, soluble solid content (SSC), and decay rate compared to control treatments. However, no significant differences in vitamin C content were found amongst apples receiving various treatment. the results suggest that a combination of postharvest calcium dipping and plastic film packaging may effectively preserve 'Fuji' apples, and that the combined treatment are better than either individual treatment.

영주산 '후지' 사과의 전처리 및 포장방법별 저장기간 동안 품질변호를 알아보기 위하여 사과를 5% $CaCl_2$ 용액에 15분 동안 침지한 후 완전히 건조시켜 $25\;{\mu}m$ 두께의 LDPE 필름으로 박스단위로 포장하여 $0^{\circ}C$의 농협 현지저온저장고에서 21주간 중량감소율, 경도, 적정산도, 가용성 고형분함량, 비타민 C함량, 부패율 조사하였다. 중량감모율, 경도변화, Vitamin C 변화, 부패율 등에서 칼슘처리과 필름포장을 병행한 처리구(Ca-MA)가 다른 처리구에 비해 저장 중 품질변화가 가정 적은 것으로 나타나 영주산 '후지' 사과 저장시 선도유지에 효과적인 것으로 사료된다.

Keywords

References

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