Evaluation of photoshop software potential for food colorimetry

Afshari-Jouybari, H and Farahnaky, A 2011, 'Evaluation of photoshop software potential for food colorimetry', Journal of Food Engineering, vol. 106, no. 2, pp. 170-175.


Document type: Journal Article
Collection: Journal Articles

Title Evaluation of photoshop software potential for food colorimetry
Author(s) Afshari-Jouybari, H
Farahnaky, A
Year 2011
Journal name Journal of Food Engineering
Volume number 106
Issue number 2
Start page 170
End page 175
Total pages 6
Publisher Elsevier
Abstract This paper presents a simple method that shows how digital imaging and software analysis can be combined for color measurement. The results showed that L* and b* values from Hunter colorimeter and the digital imaging method had appropriate correlation with R2 of greater than 0.98, however color values obtained from digital imaging method can be used only to monitor the trend of color changes and relative comparison and there is a noticeable difference between L* and b* from digital imaging and values of Hunterlab colorimeter. By using equations presented in this paper, L* and b* values obtained from digital imaging method can be successfully converted to Hunterlab color values. Changes in color of Mazafati date during ripening by hot acetic acid solution were monitored by use of this method. L*, and b* values of the samples decreased during ripening.
Subject Food Processing
Keyword(s) Colorimetry
Date fruit
Digital camera
L*a*b*
Photoshop software
DOI - identifier 10.1016/j.jfoodeng.2011.02.034
Copyright notice © 2011 Elsevier
ISSN 0260-8774
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