This standard specifies a method for the detection of foods 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 food.
DS/EN 1787:2000 history
2000DS/EN 1787:2000 Foodstuffs - Detection of irradiated food containing cellulose by ESR spectroscopy