NDLI: Fluorescence Spectroscopy as a Tool for Determination of Coumarins by Multivariate Calibration

Content Provider	Springer Nature Link
Author	Poláček, Roman Májek, Pavel Hroboňová, Katarína Sádecká, Jana
Copyright Year	2015
Abstract	At present, it is necessary to check the quality of many food products in which the content of coumarins is limited. Since a rapid and simple method for the determination of coumarin (COU), 4-hydroxycoumarin (4HC) and dicoumarol (DC) in tea samples was needed, we developed an alternative option to chromatography, i.e., fluorescence spectroscopy with multivariate calibration. The synchronous fluorescence spectra were recorded at constant wavelength differences 70, 80 and 90 nm from 200 to 400 nm. The different experimental parameters affecting the synchronous fluorescence intensities of the analytes were carefully studied and optimized. Partial least squares (PLS) method and multi linear regression (MLR) were compared on determining the concentrations. The best results were obtained by the PLS method on synchronous fluorescence spectra at Δλ = 90 nm. The results from the analysis of herbal tea Melilotus officinalis by synchronous fluorescence spectroscopy with PLS model are equivalent with the results from HPLC. Fisher F- test and Student’s t- test confirmed this finding.
Starting Page	297
Ending Page	303
Page Count	7
File Format	PDF
ISSN	10530509
Journal	Journal of Fluorescence
Volume Number	25
Issue Number	2
e-ISSN	15734994
Language	English
Publisher	Springer US
Publisher Date	2015-01-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Synchronous fluorescence spectrometry Multivariate calibration Coumarin 4-hydroxycoumarin Dicoumarol Biomedicine general Biophysics and Biological Physics Biotechnology Biochemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Sociology and Political Science Spectroscopy Law Biochemistry Clinical Biochemistry Clinical Psychology

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