Journal
FOOD CHEMISTRY
Volume 194, Issue -, Pages 1028-1033Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.08.103
Keywords
Image analysis; MATLAB; Banana peel; Browning degree; Correlation coefficient
Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education, South Korea [NRF-2013R1A1A4A01012602]
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Image analysis was applied to examine banana peel browning. The banana samples were divided into 3 treatment groups: no treatment and normal packaging (Cont); CO2 gas exchange packaging (CO); normal packaging with an ethylene generator (ET). We confirmed that the browning of banana peels developed more quickly in the CO group than the other groups based on sensory test and enzyme assay. The G (green) and CIE L*, a*, and b* values obtained from the image analysis sharply increased or decreased in the CO group. And these colour values showed high correlation coefficients (>0.9) with the sensory test results. CIE L*a*b* values using a colorimeter also showed high correlation coefficients but comparatively lower than those of image analysis. Based on this analysis, browning of the banana occurred more quickly for CO2 gas exchange packaging, and image analysis can be used to evaluate the browning of banana peels. (C) 2015 Elsevier Ltd. All rights reserved.
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