2019
DOI: 10.31545/intagr/109410
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Dielectric properties of papaya seeds from 75 kHz to 5 MHz

Abstract: The object of this work was to study the dielectric properties of papaya seeds of the Golden cultivar and seeds of two papaya hybrids, Tainung and Calimosa, in the frequency range from 75 kHz to 5 MHz at four levels of bulk density, and with moisture contents ranging from 6 to 23% wet basis. The relative permittivity and the loss factor of the seeds were measured using a precision LCR meter, and their relationship with the variable frequency of the oscillating electric field, the seed moisture content and bulk… Show more

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“…According to the applied frequency, electrical methods are categorized into two kinds. The first method is based on an electrical parameter which is obtained from the single frequency, such as dielectric constant, dielectric loss coefficient, resistance, reactance, and impedance (Berbert et al., 2019; Nigmatullin, Arbuzov, Nelson, & Trabelsi, 2006; Nguyen & Nguyen, 2015; Zhang, Willison, Cox, & Hall, 1993; Zhu & Guo, 2017). The second relies on the equivalent circuit of electrical impedance spectroscopy (EIS) in which the element could also be regarded as the indicator to reveal the physical and chemical changes in agricultural products (Ando, Mizutani, & Wakatsuki, 2014; Ando, Okunishi, & Okadome, 2019), which is conducted on a full range of frequency (Ibba et al., 2020; Wu, Ogawa, & Tagawa, 2008) In the analysis of agriculture products, the equivalent circuit has shown the better ability to mirror mechanism compared with the electrical parameter method.…”
Section: Introductionmentioning
confidence: 99%
“…According to the applied frequency, electrical methods are categorized into two kinds. The first method is based on an electrical parameter which is obtained from the single frequency, such as dielectric constant, dielectric loss coefficient, resistance, reactance, and impedance (Berbert et al., 2019; Nigmatullin, Arbuzov, Nelson, & Trabelsi, 2006; Nguyen & Nguyen, 2015; Zhang, Willison, Cox, & Hall, 1993; Zhu & Guo, 2017). The second relies on the equivalent circuit of electrical impedance spectroscopy (EIS) in which the element could also be regarded as the indicator to reveal the physical and chemical changes in agricultural products (Ando, Mizutani, & Wakatsuki, 2014; Ando, Okunishi, & Okadome, 2019), which is conducted on a full range of frequency (Ibba et al., 2020; Wu, Ogawa, & Tagawa, 2008) In the analysis of agriculture products, the equivalent circuit has shown the better ability to mirror mechanism compared with the electrical parameter method.…”
Section: Introductionmentioning
confidence: 99%