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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945versão On-line ISSN 1806-9967

Resumo

PARRA-CORONADO, Alfonso; HERNANDEZ HERNANDEZ, José Eugenio  e  CAMACHO-TAMAYO, Jesús Hernán. Physiological performance of pears (Pyrus communis L.), cv. Triunfo de Viena during postharvest period. Rev. Bras. Frutic. [online]. 2006, vol.28, n.1, pp.46-50. ISSN 0100-2945.  https://doi.org/10.1590/S0100-29452006000100015.

The pear cv. Triunfo de Viena is a fruit produced in Colombia, but at present time there is no cool chamber to handle it. The objective of this work was to determine the pear's physiological performance under three conditions of temperature and relative humidity: 3ºC and 85%, 11ºC and 80%, 18ºC and 75%. The pear cv. Triunfo de Viena is a climacterically fruit, which its maximum point of respiratory rate could vary according to the storage conditions. For the evaluated conditions, the number of days required to reach the climacteric-like peak was 22 (35,87 mg CO2 kg-1 h-1), 36 (28,59 mg CO2 kg-1 h-1) and 93 (15,72 mg CO2 kg-1 h-1), at temperatures of 18ºC, 11ºC and 3ºC respectively. The weight loss presented a linear and direct relation in regard to the storage period, being greater with temperatures of 18ºC and 11ºC. The titratable acids and pH do not present great variations during the storage. The respiratory rate, the weight loss, the SST/AT relation and the flesh firmness are characteristics that better represent the evolution of the ripening pears cv. Triunfo de Viena.

Palavras-chave : physical properties; storage; maturity index; quality.

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