Determination of phosphorus in food samples by X-ray fluorescence spectrometry and standard spectrophotometric method

The Wavelength Dispersive X-ray fluorescence (WD XRF) determination of phosphorus in GMO and non GMO food samples is proposed. The tested materials included commercially available transgenic, unmodified soya-foods and popular dairy products. The WD XRF method was compared with the standard molybdenu...

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Bibliographic Details
Published in:Food chemistry 2003, Vol.83 (3), p.463-467
Main Authors: Jastrzȩbska, A, Brudka, B, Szymański, T, Szłyk, E
Format: Article
Language:English
Subjects:
Biological and medical sciences
dairy products
fluorescence
food analysis
Food industries
foods
Fundamental and applied biological sciences. Psychology
General aspects
genetically modified organisms
GMO and non GMO food samples
Methods of analysis, processing and quality control, regulation, standards
Phosphorus
spectrophotometers
Spectrophotometric determination
spectroscopy
Validation
X-radiation
XRF
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Summary:The Wavelength Dispersive X-ray fluorescence (WD XRF) determination of phosphorus in GMO and non GMO food samples is proposed. The tested materials included commercially available transgenic, unmodified soya-foods and popular dairy products. The WD XRF method was compared with the standard molybdenum blue method. Matrix effects were minimised by using standard reference material. Obtained results were discussed in respect of the accuracy, statistical parameters and values recommended by the Recommended Dietary Allowance (RDA). The results indicate the validity of the proposed methods to routine food analysis.
ISSN:0308-8146
1873-7072
DOI:10.1016/S0308-8146(03)00225-5