Orcein purple

Andalusia
14th Century
Source: Melo, M. J., Nabais, P., Vieira, M., Araújo, R., Otero, V., Lopes, J., & Martín, L. (2022). Between past and future: Advanced studies of ancient colours to safeguard cultural heritage and new sustainable applications. Dyes and Pigments, 208, 110815.
Recipe Details

Ingredients

lichen species, Roccella, Lasallia, Lecanora, Variolaria

Preparation Steps

Prepared from lichen species such as Roccella, Lasallia, Lecanora, and Variolaria (p. 8).

Original Recipe Text

Prepared from lichen species such as Roccella, Lasallia, Lecanora, and Variolaria (p. 8).

Evidence

"Purple was considered a rare colour... It is possibly an orcein purple, also known as orchil dye, as it is prepared from several lichen species."

Remarks

Regarded as a rare color in the studied collection (p. 8).

Scientific Analysis
Analytical Techniques
Microspectrofluorimetry
Certainty Level
Probable
Instrumentally Verified
Not Verified
Metadata
Material Type
pigment
Binderpolysaccharide
Paper TypePaper
ColorPurple
RegionAndalusia
Approx. Year1350
Source Information
AuthorMelo, M. J., Nabais, P., Vieira, M., Araújo, R., Otero, V., Lopes, J., & Martín, L.
CollectionTheology treatise
Language
N/A
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