Skip to main content

Medical Subject Headings (thesaurus)

Search from vocabulary

align
annotate
download

Concept information

... > Technology, Industry, and Agriculture > Manufactured Materials > Biomedical and Dental Materials > Polymers > Biopolymers > Tannins
... > Chemical Actions and Uses > Specialty Uses of Chemicals > Biomedical and Dental Materials > Polymers > Biopolymers > Tannins
Macromolecular Substances > Polymers > Biopolymers > Tannins

Preferred term

Tannins  

Type

  • mesh:Descriptor

Definition

  • Polyphenolic compounds with molecular weights of around 500-3000 daltons and containing enough hydroxyl groups (1-2 per 100 MW) for effective cross linking of other compounds (ASTRINGENTS). The two main types are HYDROLYZABLE TANNINS and CONDENSED TANNINS. Historically, the term has applied to many compounds and plant extracts able to render skin COLLAGEN impervious to degradation. The word tannin derives from the Celtic word for OAK TREE which was used for leather processing.

Broader concept

Narrower concepts

Entry terms

  • Tannic Acid
  • Tannic Acids
  • Tannin

Allowable Qualifier(s)

In other languages

URI

http://data.loterre.fr/ark:/67375/JVR-ST1XJ1H5-0

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/1/99, last modified 5/27/20