Difference between revisions of "Sunflower dye"
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== Description == | == Description == | ||
| − | A natural yellow [ | + | A natural yellow [[dye|dye]] obtained from sunflower (''Helianthus annuus'') blooms. Sunflowers produce a bright yellow dye in [[alkaline|alkaline]] solutions that is not [[lightfastness|lightfast]]. In [[acetic%20acid|acetic acid]] solutions, however, sunflowers give a colorfast golden color on [[wool|wool]] with an [[alum|alum]] [[mordant|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 == | == Synonyms and Related Terms == | ||
Revision as of 12:38, 10 May 2016
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
- Website address 1 Comment: Economic Botany: Expressing Achenes [Accessed Jan. 21, 2009]
- Website address 1 Comment: Economic Botany: Expressing Achenes purple dye from seeds [Accessed Jan. 21, 2009]