Bibliographic citations
Rivera, I., (2019). Efecto de la concentración de ethephon y tiempo de almacenamiento sobre las características fisicoquímicas y apariencia general en bayas de aguaymanto (physalis peruviana L.) [Tesis, Universidad Privada Antenor Orrego - UPAO]. https://hdl.handle.net/20.500.12759/5112
Rivera, I., Efecto de la concentración de ethephon y tiempo de almacenamiento sobre las características fisicoquímicas y apariencia general en bayas de aguaymanto (physalis peruviana L.) [Tesis]. : Universidad Privada Antenor Orrego - UPAO; 2019. https://hdl.handle.net/20.500.12759/5112
@misc{renati/372650,
title = "Efecto de la concentración de ethephon y tiempo de almacenamiento sobre las características fisicoquímicas y apariencia general en bayas de aguaymanto (physalis peruviana L.)",
author = "Rivera Rodriguez, Ingrid Lyzeth",
publisher = "Universidad Privada Antenor Orrego - UPAO",
year = "2019"
}
The effect of ethephon concentration and the storage time on color, firmness, titratable acidity, content of total phenols and general appearance in aguaymanto berries was evaluated. The fruits were harvested in Santa Rosa farm located at the province of Celendín, region Cajamarca (Perú); immediately they were moved to the Food Technology Laboratory of the Universidad Privada Antenor Orrego, where the calyx was removed; they were selected, classified and divided into four groups, then different concentrations of ethephon (100, 300 and 600 ppm) were applied for 1 min; they were weighed, and packed in ““clamshell““ trays with a ventilated cover. Then they were refrigerated at 3 °C for 30 days; a control sample was considered. On days 0, 5, 10, 20 and 30; color, firmness, titratable acidity, content of total phenols, and general appearance were evaluated. The analysis of variance showed a significant effect (p < 0.05) of ethephon concentration and storage time on parametric variables studied. The Duncan test determined that the treatment of 300 ppm of ethephon obtained the best luminosity L * and chromaticity b *, better firmness and titratable acidity. With the treatment of 600 ppm of ethephon obtained the best chromaticity a* and highest content of total phenols. In the overall appearance, the Friedman test showed significant effect between treatments on days 5, 10 and 20 of storage. In addition, the treatment 300 ppm of ethephon showed the highest mode with 8 points (corresponding to I like it very much) and an average of 6.60 points at 30 days of storage at 3 ºC. The concentration of 300 ppm was considered as the best treatment at showed the best results of luminosity L* and chromaticity b*, firmness, titratable acidity and general appearance.
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