Title: Correlation of trans-lycopene measurements by the HPLC method with the optothermal and photoacoustic signals and the color readings of fresh tomato homogenates
Authors: Bicanic, Dane ×
Dimitrovski, Darko
Luterotti, Svjetlana
Markovic, Ksenija
van Twisk, Charlotte
Buijnsters, Josephus Gerardus
Doka, Otto #
Issue Date: Mar-2010
Publisher: Springer New York LLC
Series Title: Food Biophysics vol:5 issue:1 pages:24-33
Abstract: The trans-lycopene content of fresh tomato homogenates was assessed by means of the laser photoacoustic spectroscopy, the laser optothermal window, micro-Raman spectroscopy, and colorimetry; none of these methods require the extraction from the product matrix prior to the analysis. The wet chemistry method (high-performance liquid chromatography) was used as the absolute quantitative method. Analytical figures of merit for all methods were compared statistically; best linear correlation was achieved for the chromaticity index a* and chroma C*.
ISSN: 1557-1858
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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