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Pesquisa Agropecuária Brasileira

versão impressa ISSN 0100-204X

Resumo

MONTERO, Cândida Raquel Scherrer et al. Postharvest mechanical damage affects fruit quality of 'Montenegrina' and 'Rainha' tangerines. Pesq. agropec. bras. [online]. 2009, vol.44, n.12, pp.1636-1640. ISSN 0100-204X.  https://doi.org/10.1590/S0100-204X2009001200011.

The objective of this work was to evaluate the visual and chemical quality of tangerines after mechanical damage by impacts. The tangerine cultivars Montenegrina and Rainha were submitted to different degrees of impact and evaluated for decay and oleocellosis, loss of fresh weight, total soluble solids, total titratable acidity and ascorbic acid degradation, as well as for epicarp color changes. Experiments with three replicates and experimental units of six fruit for each cultivar were done in a completely randomized design. Impact produced qualitative internal and minor external changes on tangerines. The main modifications produced by impact on the fruit were losses of citric acid and soluble solids, which increased the solid:acid ratio, and losses of ascorbic acid. 'Montenegrina' tangerines are more susceptible to internal quality damage than 'Rainha'.

Palavras-chave : Citrus deliciosa; flavor loss; nutritional loss; physical damage.

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