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KMID : 0903619980390010035
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Journal of the Korean Society for Horticultural Science
1998 Volume.39 No. 1 p.35 ~ p.39
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Effect of CA Storage Procedures and Storage Factors on the Quality and the Incidence of Physiological Disorders of ´ Fuji ´ Apples
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유언하/Ryu, Oun Ha
박윤문/김호열/권헌중/Park, Youn Moon/Kim, Ho Yul/Kweon, Hun Joong
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Abstract
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´Fuji´ apples were stored in various CA regimens or with different CA procedures. The incidence of CA disorders was observed and changes in fruit quality were evaluated. Apples in rapid CA showed physiological disorders regardless of CA regimens applied to, whereas apples stored in air were not injured. The incidence of CA injury was slightly reduced when oxygen level was maintained high (56%). Significant reduction of the injury was obtained by lowering carbon dioxide concentration below 1% inside the store suggesting that carbon dioxide concentration is the primary factor inducing CA disorder. Delay of CA establishment significantly reduced the incidence of CA disorders. Four week delay of CA establishment completely prevented the incidence CA disorders of apples harvested at optimum maturity. In overmature apples, however, physiological disorders occurred even under four week delay CA. Evaluation of fruit quality indicated that delayed CA still had appreciable merits over cold storage in terms of the maintenance of juice acidity and flesh firmness. All the CA procedures, regardless of delay periods, showed remarkable effects on the maintenance of juice acidity. In contrast, flesh firmness tended to be maintained better by rapid CA than by delayed CA. The results of the study suggest that delayed or slow CA still has a strong potential of quality maintenance of ´Fuji´ apples as much as rapid CA while providing chances to avoid the incidence of physiological disorders.
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