Lignin Is a Type of Organic Polymer That Has Several Uses Such As For Laminating Composite Wood Products

 

Lignin


Lignin is a natural compound found in the cell walls of many plants. It works in tandem with cellulose to form sturdy cell walls. It also acts as a binder between cellulose fibers, gives structure to plant parts, is a natural antioxidant, and may even be used as a flame retardant. In addition to being a structural component of plant tissues, lignin also stores energy, making it useful for various purposes. Lignin is usually insoluble in water and can be broken down by chemical and physical treatments.

Lignin is also involved in plant defense, as it contributes to the rigidity of secondary cell walls and the hydrophobic nature of specialized cells. Lignin metabolism is also related to the tolerance of plants to drought, salt, heat, and heavy metals. In this article, we will examine the biological and chemical aspects of lignin and explore some of the active research in the field. This material can help plant researchers understand how to make the most of it. In regions such as the United States, the high prevalence of wood production industries has increased the usage of lignin. For instance, according to York Saw & Knife Co., there are more than 3000 sawmills and wood-production industries in the United States. 

According to Coherent Market Insights, Global Lignin Market was valued at US$ 872.2 Mn lignin market in 2019 and is forecast to reach a value of US$ 1,096.3 Mn by 2027 at a CAGR of 2.7% between 2020 and 2027.

Lignin is the most abundant aromatic biopolymer in nature, and accounts for almost 30% of the cell walls of plants. It plays an important role in vascular tissue by facilitating upward water transport in xylem tissues and providing antifungal properties. Lignin is also known to be an important barrier against fungal enzymes and protects the plant body against harmful bacteria. 

Lignin is a complex aromatic biopolymer that waterproofs and strengthens plant secondary cell walls. It is removed from plant tissues to produce paper and biofuels. However, its interactions with wall polysaccharides are still not well understood. While it is thought that Lignin is a polymer of xylan, it self-assembles into hydrophobic nano-domains when it contacts cellulose and xylan. Furthermore, it has abundant electrostatic interactions with xylan's polar motifs.

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