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Revista mexicana de ciencias agrícolas
versión impresa ISSN 2007-0934
Resumen
MONROY-GUTIERREZ, Teresa et al. Evaluation of some physical and chemical characteristics of fruits of xocotuna, tuna and xoconostle in postharvest. Rev. Mex. Cienc. Agríc [online]. 2017, vol.8, n.1, pp.189-197. ISSN 2007-0934. https://doi.org/10.29312/remexca.v8i1.82.
The objective of the present investigation was to determine some physical and chemical characteristics of xocotuna in comparison with tuna and xoconostle. The fresh fruits of xocotuna, tuna and xoconostle were used in physiological maturity. The percentage of weight loss, color (hue angle), shell thickness, total soluble solids and titratable acidity were evaluated. It was found that weight loss was similar between tunas and xocotunas, and greater than 8% in the xoconostles. The pitch angle had a tendency to decrease and increase during the evaluated period due to the increase of color of the pulp of the fruit. The thickness of the peel was different between cultivars and decreased as the evaluation time passed as a consequence of the ripening process. It was observed that the xoconostles presented lower content of total soluble solids unlike the tunas and xocotunas. Similar values of titratable acidity were observed between the cultivars of tuna and xocotuna, and in xoconostles, higher values.
Palabras llave : Opuntia spp.; natural hybrid; shell thickness; weight loss.