Glyphosate residues in Swiss market foods: monitoring and risk evaluation

A total of 243 samples of diverse foodstuffs were analysed for glyphosate and aminomethylphosphonic acid (AMPA) using a liquid chromatography triple quadrupole mass spectrometry (LC/MS/MS) method with a relatively low limit of quantification in the range of 0.0005-0.0025 mg kg . Main contributors fo...

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Bibliographic Details
Published in:Food additives & contaminants Part B, Surveillance communications Surveillance communications, 2018-06, Vol.11 (2), p.83
Main Authors: Zoller, Otmar, Rhyn, Peter, Rupp, Heinz, Zarn, Jürg A, Geiser, Christoph
Format: Article
Language:English
Subjects:
Anion Exchange Resins
Calibration
Cereals
Chromatography, High Pressure Liquid
Edible Grain - adverse effects
Edible Grain - chemistry
Edible Grain - economics
Fabaceae - adverse effects
Fabaceae - chemistry
Food Contamination - prevention & control
Food Inspection - methods
Food Supply - economics
Glycine - analogs & derivatives
Glycine - analysis
Glycine - isolation & purification
Glycine - toxicity
Glyphosate
Herbicides - analysis
Herbicides - isolation & purification
Herbicides - toxicity
Humans
Limit of Detection
Liquid chromatography
Markets
Mass spectrometry
Organophosphorus Compounds - analysis
Organophosphorus Compounds - isolation & purification
Organophosphorus Compounds - toxicity
Pasta
Pesticide Residues - analysis
Pesticide Residues - isolation & purification
Pesticide Residues - toxicity
Quadrupoles
Reproducibility of Results
Residues
Risk Assessment
Seeds - adverse effects
Seeds - chemistry
Spectrometry, Mass, Electrospray Ionization
Supermarkets
Switzerland
Tandem Mass Spectrometry
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Summary:A total of 243 samples of diverse foodstuffs were analysed for glyphosate and aminomethylphosphonic acid (AMPA) using a liquid chromatography triple quadrupole mass spectrometry (LC/MS/MS) method with a relatively low limit of quantification in the range of 0.0005-0.0025 mg kg . Main contributors for dietary glyphosate and AMPA intake were cereals and pulses. The results suggest that pasta is a very important foodstuff for dietary glyphosate residue intake in Switzerland. Interestingly all samples of wine, fruit juice and nearly all samples of honey tested positive for glyphosate although at very low levels. A dietary risk assessment was conducted. Food products for analysis were not selected purely at random, rather products were selected for which high levels of glyphosate residues were suspected. However, even in samples where high residue levels were expected, no exceedances of maximum residue levels were found. Consequently, human exposure did not exceed neither acceptable daily intake nor acute reference dose. Therefore, glyphosate residues found in the sampled foodstuffs from the Swiss market were of no concern for human health.
ISSN:1939-3210
1939-3229
DOI:10.1080/19393210.2017.1419509