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EVS-EN 1787:2022

Foodstuff - Detection of irradiated foodstuff containing cellulose by ESR spectroscopy

General information
Valid from 18.04.2022
Base Documents
EN 1787:2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
18.04.2022
Main
01.08.2000
Main
This document specifies a method for the detection of foodstuff containing cellulose which have been treated with ionizing radiation, by analysing the electron spin resonance (ESR) spectrum, also called electron paramagnetic resonance (EPR) spectrum, of the foodstuff, see [1] to [13]. Interlaboratory studies have been successfully carried out with pistachio nut shells, [14] to [18], paprika powder [19] and [20] and fresh strawberries [21]. However, it has been shown that chemical bleaching of nuts in shells can lead to comparable signals. For further information, see Clause 8 on limitations.
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