Sunflower dye: Difference between revisions
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[[File:sunflowerswp2.jpg|thumb|Sunflowers in bloom]] | [[File:sunflowerswp2.jpg|thumb|Sunflowers in bloom<br>Credit: Bruce Fritz (USDA)]] | ||
== Description == | == Description == | ||
Revision as of 11:50, 30 June 2020
Description
A natural yellow dye obtained from sunflower (Helianthus annuus) blooms. Sunflowers produce a bright yellow dye in alkaline solutions that is not lightfast. In acetic acid solutions, however, sunflowers give a colorfast golden color on wool with an alum mordant. The seeds of the sunflower plant were also used by native Americans to produce a dark purple color used for dyeing baskets.
Synonyms and Related Terms
Helianthus annuus; colorant à base de tournesol (Fr.); girasol (Esp.);
Sources Checked for Data in Record
- D. Cardon, Natural Dyes: Sources, Tradition, Technology and Science (original edition Le Monde des teintures naturelles), Archetype Publications, Ltd., London, 2007
- R.J. Adrosko, Natural Dyes in the United States, Smithsonian Institution Press, Washington, DC, 1968
- Economic Botany: Expressing Achenes purple dye from seeds [Accessed Jan. 21, 2009]