Outline
DOI: 10.1039/d6gc02448c ISSN: 1463-9262
Reported lignin in coffee and spent coffee grounds is an analytical artefact
Markus Eder, Stefan Grasboeck, Gijs van Erven, Markus Bacher, Thomas Rosenau, Antje PotthastReported coffee “lignin” is not supported by lignin-diagnostic Py-GC-MS or HSQC NMR signatures, redirecting spent coffee grounds toward carbohydrate-centred valorisation.
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