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Ciência e Agrotecnologia

versão impressa ISSN 1413-7054

Resumo

SILVA, Michele Carvalho da; ATARASSI, Márcia Eiko; FERREIRA, Marcos David  e  MOSCA, Marcos Antônio. Postharvest quality of 'fuyu' persimmon using different concentrations of edible coatings. Ciênc. agrotec. [online]. 2011, vol.35, n.1, pp.144-151. ISSN 1413-7054.  https://doi.org/10.1590/S1413-70542011000100018.

One of the main objectives of applying edible coatings on fruits surface is to create a protective film to reduce weight loss due to evaporation and transpiration and also to decrease the risk of fruit rot caused by environmental contamination, in order to improve the visual aspect. Therefore, it is possible to increase shelf life, and decrease post harvest losses. Persimmon is a much appreciated fruit, with high potential for export, but sensitive to handling and storage. This study aimed to evaluate the effect of applying the edible coating Megh Wax ECF-124 (18% of active composts, consisting of emulsion of carnauba wax, anionic surfactant, preservative and water) produced by Megh Industry and Commerce Ltda in three different concentrations (25, 50 and 100%) on post harvest quality of 'Fuyu' persimmon stored for 14 days. The attributes evaluated for quality were: firmness, pH, acidity, soluble solids, weight loss and color. The results showed that application of carnauba wax in different concentrations was effective on decreasing weight loss of persimmon cv. Fuyu and maintenance of color aspects. Treatment at lower concentration, 25%, showed lower rate of discharge, but high concentrations showed lower values of mass loss. Carnauba wax application showed a high potential for use on postharvest conservation, and can be applied together with other technologies, helping to maintain quality for export.

Palavras-chave : Diospyros kaki; wax; carnauba; conservation.

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