Turnsole (dye)
Esquema
Jerarquía
<materials by function> > colorant (material) > dye > <dye by composition or origin> > natural dye > vegetable dye
Descripción
A natural purple dye obtained from the seeds of the European turnsole plant, Chrozophora tinctoria. It is not lightfast. Turnsole is an acid-base indicator dye that is red in acid and blue to violet in alkalis. It was used as a violet watercolor pigment in 14th century Italian manuscripts and as a purple textile dye from medieval times to the 17th century.
URI original del concepto
Otros términos
- turnsole [nl]
- 染匠桐油染料 [zh]
- púrpura heliotropo [es]
- rǎn jiàng tóng yóu rǎn liào [zh]
- ran jiang tong you ran liao [zh]
- jan chiang t'ung yu jan liao [zh]
- 燈臺草 [zh]