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Equisetum alkaloids degradation in biogas fermentation of E. palustre contaminated plant material. | LitMetric

Equisetum alkaloids degradation in biogas fermentation of E. palustre contaminated plant material.

J Environ Manage

Institute of Pharmaceutical Biology, Technical University of Braunschweig, Mendelssohnstr. 1, 38106, Braunschweig, Germany. Electronic address:

Published: December 2024

AI Article Synopsis

Article Abstract

The current expansion of Equisetum palustre in wetlands across the Northern Hemisphere has led to an increase in reports of adverse effects in livestock. In light of the limited reduction potential of toxic Equisetum alkaloids through feed conservation measures, it is essential to identify effective strategies to manage E. palustre infested biomass. This study examined the impact and efficacy of biomethanization processes on the biodegradation of Equisetum alkaloids. To monitor the biodegradation in such complex matrices, a sample preparation method and a high-performance liquid chromatography electrospray ionization mass spectrometry (HPLC-ESI-MS/MS) method were established. The developed method was successfully employed to quantify the total residual content of Equisetum alkaloids in fermentation residues following biomethanization in batch experiments. It was demonstrated that under such conditions a degradation greater than 95 % was achieved. The biomethanization process described here is currently the most effective biological treatment for reducing Equisetum alkaloids. It is notable that the methane yields remained largely unaffected, indicating that field cuttings contaminated with E. palustre can be safely and economically processed via biomethanization which would be a key prerequisite for a circular bioeconomy.

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Source
http://dx.doi.org/10.1016/j.jenvman.2024.123665DOI Listing

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