Optimum CA Condition for Four Apple Cultivars Grown in Korea
2003
Hong, Y.P. (Postharvest Tech. Lab, Fruit Breeding Division, NHRI, RDA, Suwon, Republic of Korea) | Lee, S.K. (Seoul National University, Seoul, Republic of Korea)
'Hongro', 'Hwahong', 'Tsugaru', and 'Fuji' apples were placed in CA storage at 0¡É immediately after harvest and those apples were additionally placed in regular air (RA) storage. The atmospheric compositions were set at the combinations of O2 1%+CO2 1%, O2 1%+CO2 3%, O2 3%+CO2 3%. The storage condition fo O2 1%+CO2 1% resulted in longer storability with harder flesh firmness in 'Hongro' and 'Hwahong' apples after three months and 'Fuji' apples after six months than the RA storage or the condition of O2 3%+CO2 3%. However, 'Tsugaru' apples did not show significant difference in storability by different CA conditions. Organic acid content significantly decreased according ot storage conditions in 'Tsugaru','Hongro', and 'Fuji' except 'Hwahong' apples. Hunter value 'a' of skin color considerably increased in the conditions of O2 3% combinations and RA storage in all the surveyed cultivars.
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