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  1. Lignin - Wikipedia

    The polysaccharide components of plant cell walls are highly hydrophilic and thus permeable to water, whereas lignin is more hydrophobic. The crosslinking of polysaccharides by lignin is an …

  2. Lignin | Definition, Function, Uses, & Facts | Britannica

    Dec 23, 2025 · lignin, complex oxygen-containing organic polymer that, with cellulose, forms the chief constituent of wood. It is second to cellulose as the most abundant organic material on …

  3. Lignins: Biosynthesis and Biological Functions in Plants - PMC

    In the present review, we systematically introduce the biosynthesis of lignin and its regulation by genetic modification and summarize the main biological functions of lignin in plants and their …

  4. What Is Lignin? Its Structure, Role in Plants, & Uses

    Aug 6, 2025 · Lignin is one of Earth’s most widespread organic polymers, an abundant component found within plant cell walls. This complex natural compound plays a multifaceted …

  5. A Brief Introduction to Lignin Structure | Lignin Valorization ...

    Mar 29, 2018 · Lignin is an alkyl-aromatic polymer found in the cell walls of terrestrial plants. Lignin provides structure and rigidity to plants, is a natural, highly effective barrier against …

  6. Lignin in Plants - GREEN AGROCHEM-LIGNIN

    Jun 6, 2025 · Lignin serves several critical functions in plants, particularly in vascular plants like trees, shrubs, and grasses: Structural Support: Lignin reinforces cell walls, providing rigidity …

  7. LIGNIN Definition & Meaning - Merriam-Webster

    The meaning of LIGNIN is an amorphous polymer related to cellulose that provides rigidity and together with cellulose forms the woody cell walls of plants and the cementing material …

  8. 14.9: Lignin - Chemistry LibreTexts

    This page discusses lignin, a biopolymer second in abundance to cellulose, often viewed as waste due to its complex structure and resistance to biodegradation. While typically burned for fuel, …

  9. What is Lignin? Definition, Uses, and Processes - Carbon Credits

    Apr 12, 2023 · Lignin is the second most abundant organic polymer on Earth and it’s also the largest natural source of aromatic monomers. It is what makes the plant’s structure firm and …

  10. Lignin - an overview | ScienceDirect Topics

    This review briefly discusses the structural features and applications of lignin and summarizes the recent developments in the preparation of lignin-based ink for 3D printing materials and products.