Effects of temperature and ethylene removing agents on respiration of mature-green mume (Prunus mume Sieb. et Zucc.) fruit held under air and controlled atmospheres.

摘要

Mature-green Japanese apricot fruits of 4 cultivars (Gojiro, Nankou, Hakuoukoume and Shirakaga) were held in air or a 3-5% O2 + 9-10% CO2 gas stream with or without ethylene removing agents (ERA) for 7 days at 25鳦. Hakuoukoume fruits were also heldunder various controlled atmospheres (CA) for 10 days at 10?or 8 days at 25?to investigate the influence of storage temperature. Fruits exhibited the climacteric respiratory pattern in air or CA at 25? irrespective of ERA. However, the onset of the climacteric rise was delayed or its duration prolonged with ERA. ERA were more effective in CA than in air. The respiration rate of fruits approaching the climacteric peak was reduced in CA, but unaffected by ERA. The O2 uptake rate of Hakuoukoume fruitsin air at 10?was reduced to 1/5 of that at 25? The rate was further reduced under various CAs, especially under high CO2 concentration at 10? A CA of 3-5% O2 + 9-10% CO2 combined with ERA was effective in preserving fruit quality at 25? O2 consumption during the first 3 days of storage under these conditions was reduced to 60-90% of that under CA without ERA, and to 20-40% of that under air without ERA. It was concluded that to market ERA-treated fruits with good quality stored at ambient temperature, the storage period should be limited to ? days, and the ERA should be applied at the preclimacteric stage. To store fruits for a longer period, it is recommended that they be kept in 4-5% O2 and 8-9% CO2 at 10?