cochineal
Shiraz
15th Century
Recipe Details
Ingredients
cochineal, indigo, Indian lac
Preparation Steps
Cochineal was the primary red/pink organic colorant used (p. 160). For purple spots, such as on folio 116, cochineal was mixed with indigo (maximum absorption at 660 nm) and Indian lac (absorption maximum at 530 nm) (p. 161, Tab. 4-29).
Original Recipe Text
Cochineal was the primary red/pink organic colorant used (p. 160). For purple spots, such as on folio 116, cochineal was mixed with indigo (maximum absorption at 660 nm) and Indian lac (absorption maximum at 530 nm) (p. 161, Tab. 4-29).
Evidence
"the material used for all these colour spots is cochineal, which according to the colour tonality desired by the painter has been combined with different amounts of white lead (Fig. 5-64)."
Remarks
Cochineal was identified on folios 17, 148, 236, and 273 for clothing and flowers (p. 161). It was often mixed with white lead to vary the pinkish hue.
Scientific Analysis
Analytical Techniques
FORS
FOMF
Certainty Level
Confirmed
Instrumentally Verified
Verified
Metadata
Material Type
pigment
ColorPurple
RegionShiraz
Approx. Year1450
Source Information
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