Chittam bark

Description

Bark from chittam trees (Rhamnus purshiana) native to the Pacific Northwest. Chittam bark will give a light yellow-brown on wool using a chrome mordant and a tan color on wool or cotton with an aluminum mordant. Chittam bark dye has fair color fastness.

Synonyms and Related Terms

Rhamnus purshiana; cascara sagrada (It.); chittem bark; chittim bark; cascara sagrada bark;

Authority

• R.J. Adrosko, Natural Dyes in the United States, Smithsonian Institution Press, Washington, DC, 1968

• Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 278

• John and Margaret Cannon, Dye Plants and Dyeing, Herbert Press, London, 1994