Lignin is a collection of highly heterogeneous polymers derived from a handful of precursor lignols. Heterogeneity arises from the diversity and degree of crosslinking between these lignols.

Feb 21, 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 Earth, though relatively few industrial uses other than as a fuel have been found.

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 microbial attack, and enables water and nutrient transport through plant tissues.

Lignin is a biopolymer that binds cellulose and hemicellulose fibers and provides stiffness to plants. Lignin is the second most abundant polymer after cellulose because 3 × 1011 metric tons of lignin is present worldwide, with yearly biosynthesis of approximately 2 …

Lignin is one of the main components of plant cell wall and it is a natural phenolic polymer with high molecular weight, complex composition and structure. Lignin biosynthesis extensively contributes to plant growth, tissue/organ development, ...

Apr 12, 2023 · Deep within the cell walls of every tree lies a powerful substance called lignin. 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 resistant to rotting.

Jan 24, 2018 · 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 applications.

Lignin is a naturally abundant polymeric material. As a major component of the walls of plant cells (see Section 2), it is virtually ubiquitous and is estimated to be produced by plants at the tune of around 20 billion tons/year [1]; this makes lignin one of the most common macromolecular systems on our planet.

Jan 12, 2025 · Lignin is a complex organic polymer found in plant cell walls that provides structural support. It is second only to cellulose in abundance and is crucial for plant growth and development. Lignin also plays a role in the transportation of water and nutrients within the plant.

Lignin is a class of complex aromatic polymers particularly important in the formation of cell walls, especially in wood and bark. Lignin contributes to plant structure, support, and defense against pests and pathogens, but it also is an exciting and renewable polymer with a wide range of opportunities for biotechnology ( Ralph et al., 2019 ).