NDLI: Study of Fruit Permittivity Measurements for Quality Detection

Content Provider	IEEE Xplore Digital Library
Author	Nelson, S.O. Wenchuan Guo Trabelsi, S.
Copyright Year	2008
Description	Author affiliation: U. S. Dept. of Agric., Agric. Res. Service, Athens, GA (Nelson, S.O.)
Abstract	Permittivities of honeydew melons and watermelons, grown to provide a range of maturities, were measured with an open-ended coaxial-line probe and impedance analyzer at frequencies from 10 MHz to 1.8 GHz. Measurements on fresh apples were also made over a ten-week storage period. Data were taken on the external surfaces of the fruit and on tissue samples from the edible internal tissue. Soluble solids content (SSC), indicative of sweetness, was used for melons as the quality factor for correlation with permittivity. Dielectric constant and loss factor correlations with SSC were low, but a high correlation was obtained between the SSC and permittivity from a complex-plane plot of dielectric constant and loss factor, each divided by SSC. However, quality prediction from this relationship was not very high. Dielectric properties of apples were relatively constant during the ten-week storage period even though firmness of apple tissues decreased significantly over that period.
Starting Page	1009
Ending Page	1011
File Size	824329
Page Count	3
File Format	PDF
ISBN	9781424415403
ISSN	10915281
DOI	10.1109/IMTC.2008.4547184
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Permittivity measurement Dielectric constant Dielectric losses Impedance measurement Frequency measurement Coaxial components Probes Surface impedance Dielectric measurements Solids fruit quality Sensing permittivity dielectric properties
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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