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| Research Progress on Solution-state Nuclear Magnetic Resonance (NMR) Technique for Lignin Structure Characterization |
| Received:April 09, 2024 Revised:April 17, 2024 |
| DOI：10.11981/j.issn.1000-6842.2024.02.23 |
| Key Words:lignin;structural characterization;analysis;NMR |
| Fund Project:国家自然科学基金（32271972，32071854）；5·5北京林业大学工程研究与创新团队项目（BLRC 2023 b05）。 |
| Author Name | Affiliation | Postcode | | XU Ying | College of Materials Science and Technology， Beijing Forestry University， Beijing， 100083 | 100083 | | MA Chengye | College of Materials Science and Technology， Beijing Forestry University， Beijing， 100083 | 100083 | | ZHANG Chen | College of Materials Science and Technology， Beijing Forestry University， Beijing， 100083 | 100083 | | XU Linghua | College of Materials Science and Technology， Beijing Forestry University， Beijing， 100083 | 100083 | | WEN Jialong* | College of Materials Science and Technology， Beijing Forestry University， Beijing， 100083 | 100083 |
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| Abstract: |
| Lignin is a renewable aromatic polymer abundant in nature， and understanding its structural features is of great importance for its valuable utilization. Solution-state nuclear magnetic resonance （NMR） techniques， including 1H， 13C， 31P， 19F， have proven to be powerful analytical tools for characterizing lignin’s structural features. This article provided an overview of the advantages of solution-state NMR techniques in characterizing various structural features of lignin， such as linkages， functional groups， and chemical composition. Sample preparation methods and considerations for NMR analysis were described， and the research progress of NMR techniques in lignin structural characterization was outlined， with a focus on their applicability to different lignin structures. This article will aid in the targeted selection of appropriate NMR techniques for accurate characterization and analysis of lignin structures， promoting the high-value utilization of lignin. |
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