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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/4487

Title: Aplicação de Smartfresh TM em pera Rocha. Eficácia de concentrações e modalidades de armazenamento na qualidade e na incidência de escaldão superficial e acastanhamento interno
Other Titles: Efficacy of Smartfresh TM on Rocha pear during refrigerated storage under normal, controlled and delayed atmosphere
Authors: Carvalho, Ana Rita Santos Correia de
Advisor: Oliveira, Cristina Moniz Simões de
Keywords: Pyrus communis
1-methylcyclopropene
storage
controlled atmosphere
diphenylamine
postharvest
Issue Date: 2011
Publisher: ISA/UTL
Citation: Carvalho, Ana Rita Santos Correia - Aplicação de Smartfresh TM em pera Rocha. Eficácia de concentrações e modalidades de armazenamento na qualidade e na incidência de escaldão superficial e acastanhamento interno. Lisboa: ISA, 2011
Abstract: Efficacy of the ethylene action inhibitor 1-methylcyclopropene (1-MCP) was evaluated in pear (Pyrus communis L.) ‘Rocha’ in comparison with the standard postharvest treatments currently used by the Portuguese pear industry. Fruit were harvested at commercial maturity from four representative orchards in the Oeste Region, Portugal, subjected to the postharvest treatments and stored at 0 ºC, 90-95% relative humidity, under normal atmosphere, for up to 6 months; under controlled atmosphere, for up 9 months, and 9 months under delayed controlled atmosphere with the first 2 months in normal air. 1-MCP, at the recommended dosis of 312 nL L-1, reduced fruit softening and skin yellowing, and increased the soluble solids content (SSC) of ‘Rocha’ pear during shelf-life (14 days) at room temperature following cold storage in comparison with control fruit. SmartFresh at the recommended dosis of 312 nL L-1 of 1-MCP was also more effective than the standard postharvest treatments in reducing the incidence of superficial scald and internal browning disorders in ‘Rocha’ pear. It is concluded that 1-MCP at 312 nL L-1 is effective in reducing physiological disorders in ‘Rocha’ pear under refrigerated storage and controlled atmosphere and in delaying ripening-related softening and color changes during shelf-life.
Description: Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/4487
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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