The working group has been in existence since July 2001 and is open to expert members who are involved in the analysis and assessment of stable isotope ratios, particularly from the following areas:
The members of the working group meet twice a year (2nd/4th quarter).
Dr. Antje Schellenberg
Bavarian State Office for
Health and Food Safety
Veterinärstr. 2
85764 Oberschleißheim
Tel.: 09131 6808-5586
antje.schellenberg@lgl.bayern.de
Dr Wolfgang Armbruster
University of Hohenheim
Institute of Food Chemistry
and Analytical Chemistry
armbrust@uni-hohenheim.de
Anja Prätzel
Silesia Gerhard Hanke GmbH & Co. KG
anja.praetzel@silesia.com
Period of office 2026 - 2028
Use of multi-element / multi-component stable isotope analysis, in particular isotope ratio mass spectrometry (IRMS) and deuterium nuclear magnetic resonance spectroscopy (NMR) to determine the origin and authenticity of foodstuffs, in particular for
Position papers
Basic paper
Basic paper of the Working Group on Flavourings and the Working Group on Stable Isotope Analysis: Vanilla flavourings origin, analysis and characterisation of vanilla components (2022) (pdf) Correction note (2022) (pdf)
Origin and authenticity of vanilla flavourings (of the LChG working groups "Flavourings" and "Stable isotope analysis") (2010) - no longer up to date
Annual report 2024
Annual report 2023
Annual report 2022
Annual report 2021
Annual report 2020
Annual report 2019
Annual report 2018
Annual report 2017
Annual report 2016
Annual report 2015
Annual report 2014
Annual report 2013
Annual report 2012
Annual Report 2011
Annual report 2010
Annual report 2009