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Horticultura Brasileira

versão impressa ISSN 0102-0536versão On-line ISSN 1806-9991

Resumo

MIGUEL, Ana Carolina A et al. Effect of chemical treatments on respiratory process and physical parameters of melon minimally processed. Hortic. Bras. [online]. 2008, vol.26, n.4, pp.458-463. ISSN 0102-0536.  http://dx.doi.org/10.1590/S0102-05362008000400007.

The effect of the application of chemical treatments was evaluated on the respiratory activity and the impact on the physical parameters of fresh cut melons. Selected fruits were washed and sanitized and minimally processed in cubes, divided in four lots which consisted of: control, treated with calcium chloride (1%), with ascorbic acid (1%) and coated with sodium alginate (1%). The cubes were packed in trays with cover of polyethylene terephtalate (PET) and stored at 5±1ºC and 73±5% HR, during 12 days. The cubes were evaluated on their respiratory rate, ethylene production, loss of fresh mass, coloration, texture and humidity content. During the period of storage, independent of the treatment, a reduction of the respiratory rate occurred; ethylene production was not detected in fruits. Chemical treatments had no influence on loss of fresh mass, texture and humidity content; however the film of sodium alginate resulted in darker coloration of melon pulp due to the film solution color.

Palavras-chave : Cucumis melo L; minimally processed; respiration; physical parameters.

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