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KMID : 0903619970380020153
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Journal of the Korean Society for Horticultural Science
1997 Volume.38 No. 2 p.153 ~ p.156
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Influence of Heat , Ultraviolet and Ethylene Absorber Treatments on Storage Life in ´Fuji´ Apples
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Abstract
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In order to investigate the quality and decay after storage, apples (Malus domestica Borkh. cv. Fuji) were treated with heat (38℃), UV, wax, or ethylene scrubber then tightly sealed with, 50㎛ PE film and stored at 2±1℃ for 160 days. After storage, apples were put at 30-31℃ for five days and fruit quality was evaluavted. There was no clear difference among treatments in soluble solids and acidity, however, fruit firmness appeared to be higher in the heat treatment than in UV treatement. Visual appearance was better in all treatments as compared to control. Heat+ethylene scrubber treatment seemed to be effective. Degree of internal browning and rot was significantly low in apples treated with heat+ethylene scrubber or heat+wax compared to control, indicating that heat treatment was a very effective method on the long storage. On the other hand, ethylene content in film pack was significantly lower in ethylene scrubber treatments. In particular, heat+ethylene scrubber reduced ethylene level in film pack as low as 0.7 ppm until 119 clays after low temperature storage. Therefore, it was speculated on the basis of this study that heat+ethylene scrubber treatment was the most effective method to extend apple storage life and to maintain quality.
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