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Fast cooling and storage of kakis (Diospyrus kaki, L.), cv. Fuyu, in conditions of refrigerated atmosphere and modified

In order to increase the conservation period of kakis cultivar Fuyu after harvest, two storage systems were studied: refrigerated atmosphere (RA) and modified atmosphere (MA). The fruits were separated in two groups: 1 ) rapid cooling at 0 ºC until the pulp reached 10ºC and, then stored in RA to 10±5 ºC and 90±5% RH; 2) rapid cooling at 0 ºC until the pulp reached 0,5 ºC and, then stored in RA to 0±0,5 ºC and 90±5% RH; and in MA with LDPE film 80mum 0±0.5ºC and 90±5% RH. In the systems (MA), also the sachet containing 1 g of potassium permanganate were tested. Through the obtained results it was observed that for the storage of kakis 'Fuyu', for periods until 30 days, the temperature of 10 ºC is efficient and, for longer periods the use of films of polyethylene of low density (LPDE) of 80mum, associated with the absorption of the ethylene is also efficient. The storage in RA at 0±0,5 ºC and 90±5% RH was not efficient in the conservation of kakis.

Diospyrus kaki; ethylene; polyethylene of low density


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