Ultrasonic technique for non-destructive quality evaluation of oranges

Morrison, D.S. and Abeyratne, U.R. (2014) Ultrasonic technique for non-destructive quality evaluation of oranges. Journal of Food Engineering, 141 107-112. doi:10.1016/j.jfoodeng.2014.05.018

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Author Morrison, D.S.
Abeyratne, U.R.
Title Ultrasonic technique for non-destructive quality evaluation of oranges
Journal name Journal of Food Engineering   Check publisher's open access policy
ISSN 0260-8774
1873-5770
Publication date 2014
Year available 2014
Sub-type Article (original research)
DOI 10.1016/j.jfoodeng.2014.05.018
Open Access Status File (Author Post-print)
Volume 141
Start page 107
End page 112
Total pages 6
Place of publication London, United Kingdom
Publisher Elsevier Ltd
Collection year 2015
Language eng
Subject 1106 Human Movement and Sports Science
Abstract Common techniques to monitor the quality of fruit at the time of harvest and in storage typically rely on destructive methods to measure physical properties such as firmness and hydration. The complex, inhomogeneous composition of most fruit mean that non-destructive ultrasonic methods for quality evaluation of fruit has typically been unsuccessful. A novel ultrasound method was developed which analyses the reflections at the transducer-fruit boundary to evaluate the quality of the fruit as a whole. Using a custom-built ultrasound device, the technique was applied to navel oranges to relate ultrasonic measurements with physical measurements taken via destructive methods. For a sample of randomly selected navel oranges, a high level of correlation was found between ultrasonic measurements and the density of the fruit, allowing the relative water content of oranges to be non-destructively determined regardless of individual physical characteristics such as size and maturity. When applied to a sample of navel oranges over a period of nine days, the ultrasonic measurements were found to be highly correlated to the firmness of the oranges, providing a non-destructive method to replace traditional destructive methods currently used to monitor orange maturation.
Keyword Fruit
Non-destructive
Quality evaluation
Ultrasound
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2015 Collection
School of Information Technology and Electrical Engineering Publications
 
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