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Revista Brasileira de Fruticultura
Print version ISSN 0100-2945
CORREA, Thais Roseli et al. 'Laetitia' plums stored in controlled atmosphere and active modified atmosphere packing with ethylene management. Rev. Bras. Frutic. [online]. 2011, vol.33, n.3, pp. 723-729. Epub Sep 02, 2011. ISSN 0100-2945. http://dx.doi.org/10.1590/S0100-29452011005000094.
The objective of this work was to evaluate the effect of controlled atmosphere (CA) and active modified atmosphere packing (MAP) [LDPE film (40 µm), with two perforations (diameter = 1.0 mm) with ethylene management, on quality preservation of 'Laetitia' plums. The cold storage (60 days at 0.5±0.1ºC) treatments evaluated were: stored atmosphere (SA; 21.0 kPa O2 + <0.03 kPa CO2); MAP; MAP + low ethylene (LE); CA; and CA + treatment with 1-MCP (1,0 µL L-1). The partial pressures of O2 + CO2 (kPa) were 1.0 + 1.0and 2.5 + <0.1, in CA and MAP, respectively. Fruits stored in CA, regardless of ethylene removal, showed ripening delay compared to fruit in CS. However, the best preservation of flesh texture and titratable acidity was achieved in CA + 1-MCP. The incidences of decay, skin cracking and flesh browning were not different between treatments. Fruits stored in MAP + LE and CA + 1-MCP had lower of internal darkening and higher acceptability for color and taste compared to fruit stored in SA.
Keywords : Prunus salicina; flesh browning; postharvest; quality; 1-MCP.