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Scientia Agricola

versión impresa ISSN 0103-9016

Resumen

MARTINS, Derliane Ribeiro; BARBOSA, Nayara Cantarino  y  RESENDE, Eder Dutra de. Respiration rate of Golden papaya stored under refrigeration and with different controlled atmospheres. Sci. agric. (Piracicaba, Braz.) [online]. 2014, vol.71, n.5, pp.369-373. ISSN 0103-9016.  http://dx.doi.org/10.1590/0103-9016-2013-0334.

Knowledge of the respiration rate during the storage is important in the evaluation of the post-harvest tools that preserve fruit quality, and also for the provision of information for the development of new packages. This work aimed to evaluate the respiration rate of 'Golden' Carica papaya stored under refrigeration and controlled atmosphere conditions. The fruit was kept at 13 °C in controlled atmospheres comprising three levels of O2 (20.8 %, 6 %, 3 %) with a minimum level of CO2 (0.1 %); and three levels of CO2 (0.1 %, 6 %, 12 %) with the lowest level of O2 (3 %). Measurements were taken at intervals of 5 days during the 30 days of storage. The mass loss and the peel color of the fruits were identified at the end of the storage period. The fruit maintained under 'normal' atmosphere conditions (20.8 % O2 and 0.1 % CO2) increased its respiration rate after the 10th day, reaching after 30 days 4.3 times the initial value. After 30 days in 3 % O2, the respiration rate was 2.9 times less than in the normal atmosphere. The decrease in respiration rate minimized the mass loss in fruit stored at 3 % O2, but it was unaffected by increasing levels of CO2.

Palabras clave : Carica papaya; cold storage; modified atmosphere; ripening; mass loss.

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