Etymology:
The term "lignin" is derived from the Latin word "lignum," which means "wood."
Meaning:
Lignin is a complex organic polymer that is a major component of the cell walls of plants. It is a rigid, aromatic substance that provides structural support and protects the plant from pathogens and environmental stressors.
Origin:
Lignin was first described in 1819 by the French chemist Anselme Payen, who isolated it from wood. He named the substance "lignine" (later anglicized to "lignin") to reflect its origin in wood.
However, the structure and composition of lignin were not fully understood until much later. In the 20th century, the development of advanced analytical techniques such as nuclear magnetic resonance spectroscopy and X-ray crystallography allowed researchers to identify the complex structure of lignin and its importance in plant biology.
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