What does «lignina» mean in spanish?
- Organic substance that permeates the tissues or elements of wood. It is present in the cell wall of many plant cells (vascular plants and some algae), giving them hardness and resistance. It also provides protection from attack by microorganisms. Lignin is a class of complex organic polymer, one of the most abundant on Earth, second only to cellulose. Lignin represents 30% of non-fossil organic carbon and between 20 and 35% of the dry mass of wood. It was discovered in 1813 by the Swiss botanist A. P. de Candolle. P. de Candolle.