GC/MS-screening analyses of valuable products in the aqueous phase from microwave-assisted hydrothermal processing of Lemna minor
2019
Kolb, M. | Wichmann, H. | Schröder, U.
Microwave-assisted hydrothermal treatment of Lemna minor plant material was studied under subcritical conditions. The water phases of this process were extracted with polar and nonpolar solvents and the extracts were investigated by GC/MS screening analyses for value added products. The polar extracts were dominated by compounds known as flavouring agents and partly as platform chemicals, e.g. hydroxyacetone, 1-hydroxybutan-2-one, furfural, cyclotene and pyrrolidone. Pyridinol, an important educt for heterocyclic chemistry, was another interesting product. Benzaldehyde and oleamide were detected as main products in nonpolar n-hexane extracts. An essential aspect is that a large proportion of compounds like aldehyds and ketones were obtained when mild hydrothermal processing was applied.
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