Difference between revisions of "Category:Dayflower/Turmeric: Ukiyo-e colorant"

Revision as of 00:57, 1 June 2020

Dayflower + Turmeric: Green is achieved by mixing or overprinting a blue and a yellow colorant. Dayflower and turmeric was used to create a green which is commonly seen in early prints of two to three colors. The dayflower+turmeric mixture was later supplanted by indigo+orpiment which is the most commonly seen green.

For more information see: Dayflower, Turmeric

Examples of Dayflower+Turmeric in Ukiyo-e Prints


Beauties of the Yoshiwara by Suzuki Harunobu


Beauties of the Yoshiwara by Suzuki Harunobu


Beauties of the Yoshiwara by Suzuki Harunobu


Beauties of the Yoshiwara by Suzuki Harunobu


Beauties of the Yoshiwara by Suzuki Harunobu

Analysis

Excitation Emission Matrix (EEM) spectroscopy and fiber optic reflectance spectroscopy (FORS) is used to identify dayflower+turmeric.

3D EEM plot for Turmeric
3D EEM plots for Yellow references

List of Prints

List of prints where indigo was detected

Pages in category "Dayflower/Turmeric: Ukiyo-e colorant"

The following 2 pages are in this category, out of 2 total.

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Kiyomitsu I, Actors Ôtani Hiroji III as Okabe no Rokuyata and Nakamura Sukegorô II as Inomata no Koheiroku, 46.1409

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Shigenobu I, Puppy Playing with a Ball, 21.9257

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 == Analysis ==
-Excitation Emission Matrix (EEM) spectroscopy can easily identify turmeric due to its high fluorescence and clear, consistent pattern. Another yellow colorant thought to have been traditionally used, [[Amur cork tree|Japanese yellow wood]] or kihada also fluoresces very brightly but they give very distinctive EEM patterns, making it easy to differentiate between the two. Yellow wood has not been detected so far.
+Excitation Emission Matrix (EEM) spectroscopy and fiber optic reflectance spectroscopy (FORS) is used to identify dayflower+turmeric.
 <gallery mode="packed" heights="200px" style="text-align: left">
 Turmeric EEM ref.jpg|<center>3D EEM plot for Turmeric</center>