Detection of orange juice frauds using front-face fluorescence spectroscopy and Independent Components Analysis.
Identifieur interne : 000022 ( France/Analysis ); précédent : 000021; suivant : 000023Detection of orange juice frauds using front-face fluorescence spectroscopy and Independent Components Analysis.
Auteurs : Faten Ammari [France] ; Lamia Redjdal [France] ; Douglas N. Rutledge [France]Source :
- Food chemistry [ 0308-8146 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Flavonoids.
- analysis : Beverages, Food Contamination.
- chemistry : Citrus paradisi, Citrus sinensis.
- methods : Spectrometry, Fluorescence.
Abstract
The aim of this study was to find simple objective analytical methods to assess the adulteration of orange juice by grapefruit juice. The adulterations by addition of grapefruit juice were studied by 3D-front-face fluorescence spectroscopy followed by Independent Components Analysis (ICA) and by classical methods such as free radical scavenging activity and total flavonoid content. The results of this study clearly indicate that frauds by adding grapefruit juice to orange juice can be detected at percentages as low as 1%.
DOI: 10.1016/j.foodchem.2014.06.110
PubMed: 25172702
Affiliations:
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pubmed:25172702Le document en format XML
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