The biopolymer lignin—one of the most important carbon reservoirs in plants and soils—not only decays through fungi or bacteria but can also be chemically attacked by iron linked to reactive oxygen species, without the involvement of microorganisms. When this happens, lignin is converted into methanol and subsequently into formaldehyde. That is shown by a study conducted at Heidelberg University's Institute of Earth Sciences.
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Abiotic Formation of Methanol and Formaldehyde from Lignin: Implications for Environmental Science
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September 16, 2026
1 min read
📰 Phys.org
📋 Key Takeaway
A study from Heidelberg University reveals that lignin, a major carbon reservoir in plants, can decay abiotically into methanol and formaldehyde through chemical reactions involving iron and reactive oxygen species. This research highlights alternative pathways of carbon transformation in nature, which could have implications for environmental science. Understanding these processes is crucial for Iran, given its reliance on agriculture and natural resources.
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