Characterization of the Dielectric Properties of the Tommy Atkins Mango

AUTOR(ES)

Silva Júnior, Paulo F.; Santana, Ewaldo E. C.; Pinto, Mauro S. Silva; Andrade, Everson P.; Carvalho, Joabson N.; Freire, Raimundo C. S.; Oliveira, Maciel A.; Oliveira, Elder E. Carneiro de

FONTE

J. Microw. Optoelectron. Electromagn. Appl.

DATA DE PUBLICAÇÃO

2020-03

RESUMO

Abstract This paper presents the characterization of dielectric properties (dielectric permittivity and dielectric loss factor) of Tommy Atkins mango (Mangifera indica L), a fruit produced in several regions of Brazil, of great economic importance. The fruits were characterized according to their maturation index, by probe method, and identified by the yellowish tone in their bark. The results allowed correlating the dielectric characteristics of the fruit with the physicochemical transformations that occurred in the maturation process of the mango Tommy. It was also verified a greater variation in the frequencies below 1 GHz, with the maturation indicated by the dielectric signature on the fifth day after the harvest. From these results, we can observe the use of electromagnetic materials and techniques in the solution and optimization of processes in agriculture can improve the quality of products consumed or suggesting best practices to the productive sector.

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