Berberis dye

Berberis

Description

A yellow dye primarily obtained from the stems and roots of the Barberry (Berberis vulgaris) bush. Berberis contains the colorants berberine (berberine bisulfate, Berberine sulfate, berberine hydrochloride), berbamine, and oxyacanthine along with some soluble tannins. The yellow color is substantive on Wool, Leather, and Silk. It has also been used as a yellow lake pigment for coloring prints (Harley 1982). Other sources of berberines include goldenseal (Hydrastis canadensis) plants and bark from the amur cork tree (Phellodendron amurense).

Japanese barberry Berberis thunbergii

Synonyms and Related Terms

Berberis vulgaris (common barberry); Hydrastis canadensis (goldenseal); Phellodendron amurense (amur cork tree); agracejo (Esp.); crespino (It.); berberines; berberis bush

Hazards and Safety

Toxic by ingestion, inhalation and skin absorption.

Color has poor lightfastness.

Raman

Additional Information

° R.Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982.

Sources Checked for Data in Record

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• R.D. Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982

• Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1192

• Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Berberis (accessed Sept. 2 3005)