Difference between revisions of "Category:Safflower: Ukiyo-e colorant"

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[[File:Safflower red 06.809 EEM.png|200px]]<br>[[EEM xxxxxx]]
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[[File:Safflower red 06.809 EEM.png|200px]]<br>[[EEM of red lantern in MFA 06.809]]
 
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[[File:Safflower pink 06.795 EEM.png|200px]]<br>[[EEM of pink tree]]
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[[File:Safflower pink 06.795 EEM.png|200px]]<br>[[EEM of pink tree in MFA 06.795]]
 
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|[[File:dyed indigo.jpg|200px]]
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|[[File:Safflower light pink cloud 11.17586.png|200px]]
 
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[[File:Indigo FORS.JPG|200px]]<br>[[Harunobu, Beautiful Women of the Yoshiwara, Applying makeup (MFA 2006.1537.5)|Beauties of the Yoshiwara by Suzuki Harunobu]]
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[[File:Safflower light pink 11.17586 EEM.png|200px]]<br>[[EEM of pink cloud (MFA 11.17586)]]
 
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== Analysis ==
 
== Analysis ==
Fiber optic reflectance spectroscopy (FORS) can easily identify the three blues: indigo, dayflower, and Prussian blue.
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Excitation Emission Matrix (EEM) spectroscopy can easily identify the commonly used organic reds: safflower, madder, and sappanwood.
<gallery mode=packed heights=200px style="text-align:left">
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<gallery>
Indigo FORS.JPG|FORS spectrum of Indigo reference
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Red UVVis images.jpg|Red references shown in visible and ultraviolet light
Dayflower FORS.JPG|FORS spectrum of Dayflower reference
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Red EmEx curves.jpg|Overlay of emission-excitation curves for red references
Indigo FORS.JPG|FORS spectrum of Prussian blue reference
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Red EEM plots.jpg|Emission-excitation 3D plots for red references
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FORS of reds.jpg|Overlay of FORS spectra for red references
 
</gallery>
 
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File:beni_safflower.jpg|Safflower printed on paper
 
File:beni_safflower.jpg|Safflower printed on paper
 
Safflower color.PNG|3D EEM plot
 
Safflower color.PNG|3D EEM plot
</gallery>
 
 
== Examples ==
 
<gallery>
 
 
 
<gallery>
 
 
Safflower pink 06.795 FORS.png|FORS of pink tree
 
Safflower pink 06.795 XRF.png|XRF of pink tree
 
</gallery>
 
 
<gallery>
 
Safflower light pink cloud 11.17586.png|Pink cloud (MFA 11.17586)
 
Safflower light pink 11.17586 EEM.png|EEM
 
Safflower light pink 11.17586 XRF.png|XRF
 
 
</gallery>
 
</gallery>
  

Revision as of 13:46, 13 May 2020

Description

For ukiyo-e woodblock prints, Carthamus tinctorius (safflower) was the primary red and pink colorant used consistently for all of the time periods and printing methods.

Safflower (benibana): The florets of Carthamus tinctorius (safflower) produce a wide range of colors from cherry red to pink. Native to northern India and the Near East, this popular dye plant was widely cultivated throughout Asia and Europe by the end of the 13th century. The florets are picked, then dried and crushed into a paste. The paste is washed with water to remove the non-lightfast yellow chromophors including several quinochalcones. The red colorant, primarily carthamin, is then extracted in an alkaline bath. The deepest reds are obtained through several initial washings to remove all of the water-soluble yellows.

Red regions containing safflower were usually seen as brightly fluorescent during the preliminary examination of the prints with a hand-held UV light. Thus, it was no surprise that the EEM fluorescence technique provided a unique and definitive pattern for safflower, even when it was visually observed in the print as a faded brown color. In addition to the fluorescence for the red chromophor, the pattern often contained an additional peak for the yellow chromophore that was supposedly removed in the preparation of the red colorant but often needed several washings for complete elimination.

The presence of this mixture throughout the history of color printing seems to indicate that the tone obtained by mixing dayflower blue and safflower was preferred over other possible mixtures of reds and blues to yield purple (for example indigo and madder).

Examples of Safflower in Ukiyo-e Prints

Red lantern (MFA 06.809)

Safflower red 06.809 EEM.png
EEM of red lantern in MFA 06.809

Pink tree (MFA 06.795)

Safflower pink 06.795 EEM.png
EEM of pink tree in MFA 06.795

Safflower light pink cloud 11.17586.png

Safflower light pink 11.17586 EEM.png
EEM of pink cloud (MFA 11.17586)

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Analysis

Excitation Emission Matrix (EEM) spectroscopy can easily identify the commonly used organic reds: safflower, madder, and sappanwood.

Other Images of Safflower

Pages in category "Safflower: Ukiyo-e colorant"

The following 55 pages are in this category, out of 55 total.

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