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Revista Brasileira de Fruticultura

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SOUZA, Maria Luzenira de et al. Post-harvest of 'Tommy Atkins' mangoes covered with chitosan. Rev. Bras. Frutic. [online]. 2011, vol.33, n.spe1, pp.337-343. ISSN 0100-2945.

The objective of this work was to evaluate the influence of chitosan in the post-harvest of 'Tommy Atkins' mangoes, harvested in the semi-ripe stage and stored at 23ºC (65% RH). Mangoes from CEAGESP, Ribeirão Preto, SP, Brazil were transported to the Laboratory of Technology of Agricultural Products of UNESP Jaboticabal. After selection, the fruits were washed and the surface sanitized with a solution of dichloro s. triazinatriona sodium dihydrate (Sumaveg®) 200 mg 100g-1 of free chlorine for 10 minutes, dried, dipped in solution 0%; 1.0%; 1.5%; 2.0% oh chitosan for 1 minute, dried under ventilation, packed in trays and stored at 23±2°C and 65±5% UR for 9 days. Three replicates of two fruits each were used. The fruits every three days had the weight loss, the color, the firmness, the ascorbic acid content, the soluble solids, the titratable acidity and the soluble solids / titratable acidity evaluated. The coating with chitosan delayed the ripening of 'Tommy Atkins' semi-ripe mangoes stored at 23ºC. The concentration of 1.5% provided better maintenance of color, firmness, ascorbic acid content, soluble solids, titratable acidity and soluble solids / titratable acidity

Keywords : Mangifera indica; conservation; quality.

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