MEASUREMENT OF DATE FRUIT MOISTURE CONTENT BY USE OF A NONDESTRUCTIVE DIELECTRIC METHOD

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BAGHERI RAHMATOLLAH; MIREEI SEYED AHMAD; SADEGHI MORTEZA; MASOUMI AMIN ALLAH; MOOMKESH SHAHRAM

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Journal: Iranian Journal of Biosystems Engineering Year:2015 | Volume:45 | Issue:2 Page(s): 97-104

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Title

MEASUREMENT OF DATE FRUIT MOISTURE CONTENT BY USE OF A NONDESTRUCTIVE DIELECTRIC METHOD

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Keywords

CAPACITORQ2

FUNCTION GENERATORQ2

SPECTRUM ANALYZERQ2

MODELINGQ2

STANDARD DEVIATION RATIOQ2

Abstract

Developing a rapid, nondestructive and reliable method to measure moisture content of date fruit is of interest in pre- and post-harvest processes of this valuable product.Throughout this research, by putting date palm fruits (cv. Mazafati) in a parallel plate CAPACITOR, the sinusoidal alternative voltage in the frequency range of 1 to 100 MHz was exerted to the dates and the response of the circuit recorded while using a SPECTRUM ANALYZER. Then, the relation between the power consumption of the system at different frequencies and the moisture content of the samples was studied and modeled using Multiple Linear Regression (MLR) analysis. The results indicated that by using the entire frequencies within the range of 1-100 MHz, the moisture content of date palm fruits could be predicted by a coefficient of determination (R2 p) of 0.956, a Root Mean Squares Error of Prediction (RMSEP) of 5.28% and a STANDARD DEVIATION RATIO (SDR) of 2.97. By analysis of regression coefficients, some six effective frequencies in moisture content estimation were selected and used for building up the simpler models. The same similar results were obtained when compared with MODELING by the entire range of frequencies.

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APA: Copy

BAGHERI, RAHMATOLLAH, MIREEI, SEYED AHMAD, SADEGHI, MORTEZA, MASOUMI, AMIN ALLAH, & MOOMKESH, SHAHRAM. (2015). MEASUREMENT OF DATE FRUIT MOISTURE CONTENT BY USE OF A NONDESTRUCTIVE DIELECTRIC METHOD. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 45(2), 97-104. SID. https://sid.ir/paper/144431/en

Vancouver: Copy

BAGHERI RAHMATOLLAH, MIREEI SEYED AHMAD, SADEGHI MORTEZA, MASOUMI AMIN ALLAH, MOOMKESH SHAHRAM. MEASUREMENT OF DATE FRUIT MOISTURE CONTENT BY USE OF A NONDESTRUCTIVE DIELECTRIC METHOD. IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;45(2):97-104. Available from: https://sid.ir/paper/144431/en

IEEE: Copy

RAHMATOLLAH BAGHERI, SEYED AHMAD MIREEI, MORTEZA SADEGHI, AMIN ALLAH MASOUMI, and SHAHRAM MOOMKESH, “MEASUREMENT OF DATE FRUIT MOISTURE CONTENT BY USE OF A NONDESTRUCTIVE DIELECTRIC METHOD,” IRANIAN JOURNAL OF BIOSYSTEMS ENGINEERING (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 45, no. 2, pp. 97–104, 2015, [Online]. Available: https://sid.ir/paper/144431/en

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