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Peter Spégel

Principal investigator

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Non-targeted analysis strategy for the identification of phenolic compounds in complex technical lignin samples

Author

  • Jens Prothmann
  • Kena Li
  • Christian Hulteberg
  • Peter Spégel
  • Margareta Sandahl
  • Charlotta Turner

Summary, in English

Lignin is the second most abundant biopolymer in nature and a promising renewable resource for aromatic chemicals. For the understanding of different lignin isolation and conversion processes, the identification of phenolic compounds is of importance. However, due to the vast number of possible chemical transformations, the prediction of produced phenolic structures is challenging, and a non-targeted analysis method is therefore needed. In this study, we present a non-targeted analysis method for the identification of phenolic compounds using ultra-high-performance supercritical fluid chromatography/high-resolution multiple stage tandem mass spectrometry combined with a Kendrick mass defect-based classification model. The method was applied to a Lignoboost Kraft lignin (LKL), a sodium Lignosulphonate lignin (SLS) and a depolymerised Kraft lignin (DKL) sample. In total, 260 tentative phenolic compounds were identified in the LKL sample, 50 in the SLS sample and 77 in the DKL sample.

Department/s

  • Centre for Analysis and Synthesis
  • Department of Chemical Engineering
  • EXODIAB: Excellence of Diabetes Research in Sweden

Publishing year

2020-09-07

Language

English

Pages

4605-4612

Publication/Series

ChemSusChem

Volume

13

Issue

17

Document type

Journal article

Publisher

John Wiley & Sons Inc.

Topic

  • Chemical Engineering
  • Analytical Chemistry

Status

Published

ISBN/ISSN/Other

  • ISSN: 1864-564X