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BY 4.0 license Open Access Published by De Gruyter Open Access July 26, 2019

Measuring delayed luminescence by FES to evaluate special quality aspects of food samples – an overview

  • Peter Stolz EMAIL logo , Jenifer Wohlers and Gudrun Mende
From the journal Open Agriculture


The measuring devices which are used for measuring delayed luminescence by Fluorescence Excitation Spectroscopy (FES) are described. Results are given to show the measured emission of food samples in relation to farming practices (biodynamic, organic, or conventional) and growing conditions. This overview points to the special food-quality aspects which could be evaluated by FES. A relation to molecular structures, the physiological status, or possible physiological processes are discussed as important for the characteristic delayed luminescence after colour- (wavelength-) specific excitation.


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Received: 2018-08-30
Accepted: 2019-05-09
Published Online: 2019-07-26

© 2019 Peter Stolz et al., published by De Gruyter

This work is licensed under the Creative Commons Attribution 4.0 Public License.

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