THE LIGNIN GROUP LLC
1 ] · Lignins are particularly important in the formation of cell walls · especially in wood and bark · because they lend rigidity and do not rot easily. Chemically · lignins are polymers made by the cross-linking of phenolic precursors. [ · 2 ] · History [ edit ] Lignin was first mentioned in 1813 by the Swiss botanist A. P. de Candolle · who described it as a fibrous · tasteless material · insoluble in water and alcohol but soluble in weak alkaline solutions · and which can be precipitated from solution using acid. [ · 3 ] · He named the substance "lignine" · which is derived from the Latin word lignum · [ · 4 ] · meaning wood. It is one of the most abundant organic polymers on Earth · 5 ] · on Earth · and 20 to 35% of the dry mass of wood. [
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1 History 2 Composition and structure 3 Biological function 4 Economic significance 5 Biosynthesis 6 Biodegradation Toggle Biodegradation subsection 6.1 Lignin degradation by fungi 6.2 Lignin degradation by bacteria 7 Pyrolysis 8 Chemical analysis 9 See also 10 References 11 Further reading 12 External links Toggle the table of contents Lignin 57 languages العربية تۆرکجه Беларуская Български Bosanski Català Čeština Dansk Deutsch Ελληνικά Esperanto Español Eesti Euskara فارسی Suomi Français Galeg
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