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- W2334776976 abstract "RESUMEN The pitahaya or dragon fruit is one of the most representative exotic fruits that Colombia has, with an important, growing international market, but the cultivation and postharvest of this fruit lack sufficient technological support to be more competitive. Therefore, alternatives that provide good-quality products that meet market requirements are very important. Therefore, the objective of this research was to determine the effect of a ripening retardant and ethylene application on the conservation and quality of pitahaya fruits and the possible changes during ripening associated with ethylene, for which a completely randomized design with three treatments was used, corresponding to the application of ethylene (ethephon, 3 mL L -1 ), 1-methylcyclopropene (1-MCP, 600 mg L -1 ) and a control, with four replications, for a total of 12 experimental units. The fruits were stored at 18°C with 75% relative humidity. The 1-MCP application significantly decreased the loss of firmness, total soluble solids, loss of fresh mass and respiratory rate. Fruits from the control and ethylene treatment tended toward a climateric respiratory behavior. The total carotenoid content of the fruits was significantly higher in the ethylene applica tion and the control treatment, which was consistent with the color change of the fruits. It can be concluded that the 1-MCP application reduced the ethylene action, slowing the ripening of the dragon fruits. La pitahaya es uno de los frutos exoticos mas representativos que tiene Colombia, con un importante y creciente mercado internacional, sin embargo el cultivo de este frutal carece del suficiente respaldo tecnologico para ser mas competitivo. Por lo tanto, se requiere buscar alternativas que permitan ofrecer un producto de buena calidad con el fin de cumplir con las exigencias comerciales. Debido a lo anterior, esta investigacion busco determinar el efecto de la aplicacion de un retardante de madurez y etileno en la conservacion y calidad de frutos de pitahaya y los posibles cambios durante la maduracion asociados a etileno, para lo cual se utilizo un diseno experimental completamente al azar con tres tratamientos, que correspondieron a la aplicacion de etileno (ethephon, 3 mL L -1 ), 1-metilciclopropeno (1-MCP) (600 mg L -1 ) y un testigo, con cuatro repeticiones, para un total de 12 unidades experimentales. Los frutos fueron almacenados a 18°C con una humedad relativa del 75%. La aplicacion de 1-MCP disminuyo significativamente la perdida de firmeza, los solidos solubles totales, la perdida de masa fresca y la tasa respiratoria. Los frutos control y los tratados con etileno tendieron a un comportamiento respiratorio climaterico. El contenido en los carotenoides totales en los frutos fue significativamente para la aplicacion de etileno y el tratamiento control lo que es consistente con el cambio en la coloracion de los frutos. Se puede concluir que la aplicacion de 1-MCP reduce la accion de etileno, lo cual reduce el proceso de maduracion en los frutos de pitahaya." @default.
- W2334776976 created "2016-06-24" @default.
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- W2334776976 date "2014-01-01" @default.
- W2334776976 modified "2023-09-27" @default.
- W2334776976 title "Ethylene and 1-MCP affect the postharvest behavior of yellow pitahaya fruits (Selenicereus megalanthus Haw.) Etileno y 1-MCP afectan el comportamiento poscosecha de frutos de pitahaya amarilla (Selenicereus megalanthus Haw.)" @default.
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