Determination of Low-Oxygen Limit of ‘Fuji’ Apples for Storage of Physiologically Sensitive CA 


Vol. 46,  No. 11, pp. 2056-2063, Nov.  2021
10.7840/kics.2021.46.11.2056


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  Abstract

CA storage for a long-term storage requires long-time low-oxygen conditions to suppress respiration of agricultural products. This study was conducted to find the low-oxygen limit threshold required for DCA storage. As a result, ethanol was generated 0.2ppm/day at the O₂ concentration of 0.5-2.5%, but when the O₂ concentration was less than 0.5%, the amount increased to 0.6ppm/day. The ethanol generation rate did not show any difference in the low-oxygen level (1.81~2.01%) according to the storage period, but it tended to increase moderately in the ultra-low oxygen level (0.35~0.51%). The ethylene generation was significantly lower in the ultra-low oxygen level than in the low-oxygen level. In case of chamber airtightness below 58 minutes room, RQ change did not appear according to O₂ concentration, but RQ increased rapidly at O₂ concentration less than 0.5% over 80 minutes room. And this section was judged as the anaerobic compensation point at which the respiratory characteristics of the apple change. The change of respiratory characteristics according to the exposure of low-oxygen level for a long time can cause the quality of apples, so the low-oxygen escape system was constructed through monitoring and automatic control and the operation was confirmed.

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  Cite this article

[IEEE Style]

J. Y. Son, C. W. Park, D. S. Choi, Y. H. Kim, J. S. Kim, "Determination of Low-Oxygen Limit of ‘Fuji’ Apples for Storage of Physiologically Sensitive CA," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 11, pp. 2056-2063, 2021. DOI: 10.7840/kics.2021.46.11.2056.

[ACM Style]

Jae Yong Son, Chun Wan Park, Dong Soo Choi, Yong Hoon Kim, and Jin Se Kim. 2021. Determination of Low-Oxygen Limit of ‘Fuji’ Apples for Storage of Physiologically Sensitive CA. The Journal of Korean Institute of Communications and Information Sciences, 46, 11, (2021), 2056-2063. DOI: 10.7840/kics.2021.46.11.2056.

[KICS Style]

Jae Yong Son, Chun Wan Park, Dong Soo Choi, Yong Hoon Kim, Jin Se Kim, "Determination of Low-Oxygen Limit of ‘Fuji’ Apples for Storage of Physiologically Sensitive CA," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 11, pp. 2056-2063, 11. 2021. (https://doi.org/10.7840/kics.2021.46.11.2056)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880