Concept Breadcrumbs

Research, Technology, Methods > chemical substances > chemical compounds > organic compounds > polymers > lignin

Fields of Study > materials science > materials > polymers > lignin

Preferred Term:

lignin

Definition:

The second most abundant constituent of wood, located principally in the secondary wall and the middle lamella, which is the thin cementing layer between wood cells. Chemically, it is an irregular polymer of substituted propylphenol groups, and thus, no simple chemical formula can be written for it.

Concept Schemes:

NALT Core

Broader Concept:

polymers

URI:

https://lod.nal.usda.gov/nalt/50048

Download this Concept:

RDF/XMLCreated 2006-01-19, last modified 2019-02-19

Exactly Matching Concepts:

http://id.cabi.org/cabt/66654
http://aims.fao.org/aos/agrovoc/c_4329
http://id.agrisemantics.org/gacs/C2292
http://id.loc.gov/authorities/subjects/sh85076945