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Article

Impact of Global Climate Change on the European Barley Market Requires Novel Multi-Method Approaches to Preserve Crop Quality and Authenticity

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BayCEER—Laboratory of Isotope Biogeochemistry, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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NBNC—North Bavarian NMR Centre, University of Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
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ALNuMed GmbH, Gottlieb-Keim Straße 60, 95448 Bayreuth, Germany
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IREKS GmbH, Lichtenfelser Straße 20, 95326 Kulmbach, Germany
*
Authors to whom correspondence should be addressed.
Foods 2021, 10(7), 1592; https://doi.org/10.3390/foods10071592
Received: 27 May 2021 / Revised: 1 July 2021 / Accepted: 6 July 2021 / Published: 8 July 2021
(This article belongs to the Section Food Quality and Safety)
Most recently in 2018 and 2019, large parts of Europe were affected by periods of massive drought. Resulting losses in cereal yield pose a major risk to the global supply of barley, as more than 60% of global production is based in Europe. Despite the arising price fluctuations on the cereal market, authenticity of the crop must be ensured, which includes correct declaration of harvest years. Here, we show a novel approach that allows such differentiation for spring barley samples, which takes advantage of the chemical changes caused by the extreme drought. Samples from 2018 were successfully differentiated from those of 2017 by analysis of changes in near-infrared spectra, enrichment in the isotope 13C, and strong accumulation of the plant-physiological marker betaine. We demonstrate that through consideration of multiple modern analysis techniques, not only can fraudulent labelling be prevented, but indispensable knowledge on the drought tolerance of crops can be obtained. View Full-Text
Keywords: barley; stable isotopes; proton nuclear magnetic resonance; Fourier transform near-infrared spectroscopy; drought; climate change; Europe; Germany; multi-method approach; beer barley; stable isotopes; proton nuclear magnetic resonance; Fourier transform near-infrared spectroscopy; drought; climate change; Europe; Germany; multi-method approach; beer
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MDPI and ACS Style

Bindereif, S.G.; Rüll, F.; Kolb, P.; Köberle, L.; Willms, H.; Steidele, S.; Schwarzinger, S.; Gebauer, G. Impact of Global Climate Change on the European Barley Market Requires Novel Multi-Method Approaches to Preserve Crop Quality and Authenticity. Foods 2021, 10, 1592. https://doi.org/10.3390/foods10071592

AMA Style

Bindereif SG, Rüll F, Kolb P, Köberle L, Willms H, Steidele S, Schwarzinger S, Gebauer G. Impact of Global Climate Change on the European Barley Market Requires Novel Multi-Method Approaches to Preserve Crop Quality and Authenticity. Foods. 2021; 10(7):1592. https://doi.org/10.3390/foods10071592

Chicago/Turabian Style

Bindereif, Stefan G., Felix Rüll, Peter Kolb, Lucas Köberle, Holger Willms, Simon Steidele, Stephan Schwarzinger, and Gerhard Gebauer. 2021. "Impact of Global Climate Change on the European Barley Market Requires Novel Multi-Method Approaches to Preserve Crop Quality and Authenticity" Foods 10, no. 7: 1592. https://doi.org/10.3390/foods10071592

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