Bark tannin

Description

A vegetable tannin obtained from bark or wood extracts. Bark tannin is primarily obtained from several species of oak (genus Quercus) and from some hemlock trees (genus Tsuga).

Synonyms and Related Terms

taninos de la corteza (Esp.); tannin d'écorce (Fr.); tannino (It.)

Authority

• Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998