Resumo

LOCASO, Delia E. et al. Orange Preservation by a Terpenic Formulated Coating from Pinus elliotis. Cienc. docencia tecnol. [online]. 2007, n.35, pp.153-173. ISSN 1851-1716.

The effect of a biodegradable coating, formulated from a natural terpen of vegetable origin, as an alternative to preserve citrus fruit during post-harvest was studied. Two assays were carried out with the following objectives: evaluation of protective effect of the terpenic coating under controlled storing conditions and selection of the most convenient application method for fruit coating. In the fist test, Valencia late oranges, harvest 2003 -2004, were used and analyzed parameters were: dehydration percentage, deformation percentage, maturity index and global acceptance. In the second test, Washington Navel oranges, harvest 2005 and 2006, were employed and the methods were: immersion, manual crushing and standard application. Analyzed variables were: dehydration percentage, deformation percentage and internal quality. Results showed that the terpene coating applied by manual crushing on oranges could have a beneficial effect on postharvest preservation.

Palavras-chave : Orange postharvest; Terpenic coating; Sensory evaluation.

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