Keywords
coating
shelf life
uchuva
aloe vera
chitosan Recubrimiento
vida útil
uchuva
áloe vera
quitosano.
shelf life
uchuva
aloe vera
chitosan Recubrimiento
vida útil
uchuva
áloe vera
quitosano.
How to Cite
Muñoz, A., Barbosa, A., Bustos, D., Ramírez, Y., Vásquez, Y., García, J., & Guancha, M. (2017). Conservation of Uchuva (Physalis Peruviana) by applying a coating based on chitosan and aloe vera, using the spray method. Informador Tecnico, 81(1), 86–94. https://doi.org/10.23850/22565035.722
Abstract
The objective of this research was to estimate the useful life of the uchuva by the application of a coating based on chitosan and aloe vera using the spray method. The Colombian Technical Standard (NTC 4580) was used to compare the physical characteristics of uchuvas, using as indicators of deterioration, weight loss, total carotenoids and color index. The evaluated samples were maintained under two storage conditions; Under refrigeration (4 °C) and at room temperature of the city of Cali (28 °C), during a period of 21 and 6 days respectively. Four samples were taken for each temperature and the results obtained were used to define the deterioration kinetics. The kinetics were of zero order, with weight loss being the indicator that limited the shelf life. Variables such as pH, acidity and maturity index did not show a significant difference at a significance level of p <0.05. inally, the kinetic model for weight loss showed a 1-day increase for samples stored at room temperature and 2 days for samples refrigerated at 4 °C
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