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

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[[File:SC130566.jpg|right|250px|link=https://collections.mfa.org/objects/234428/under-the-wave-off-kanagawa-kanagawaoki-namiura-also-kn?ctx=ed6b9b8b-e830-4c25-9793-ba7646059146&idx=3|Great Wave by Katsushika Hokusai]]
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[[File:File:SC207014.jpg|right|250px|link=Koryusai, Descending Geese at Mimeguri, from the series Fashionable Eight Views of Edo, 11.14627|Descending Geese at Mimeguri by Isoda Koryusai]]
  
 
<font size="3">'''[[Gamboge]]'''</font> 藤黄(''to-o''):  A yellow-orange gum-resin produced by several species of ''Garcinia'' tree found in India, Thailand, Cambodia, Vietnam, and Ceylon. Gamboge was used as a yellow pigment as early as the 8th century in Asia and Japan. Gamboge is composed of a yellow resinous component (70-80%; morelloflavone) and a clear water-soluble [[gum]] (20%). (This is a direct copy from the gamboge page.Do we want to add about how it's collected? its transparency?)
 
<font size="3">'''[[Gamboge]]'''</font> 藤黄(''to-o''):  A yellow-orange gum-resin produced by several species of ''Garcinia'' tree found in India, Thailand, Cambodia, Vietnam, and Ceylon. Gamboge was used as a yellow pigment as early as the 8th century in Asia and Japan. Gamboge is composed of a yellow resinous component (70-80%; morelloflavone) and a clear water-soluble [[gum]] (20%). (This is a direct copy from the gamboge page.Do we want to add about how it's collected? its transparency?)

Revision as of 10:50, 14 July 2020

Gamboge 藤黄(to-o): A yellow-orange gum-resin produced by several species of Garcinia tree found in India, Thailand, Cambodia, Vietnam, and Ceylon. Gamboge was used as a yellow pigment as early as the 8th century in Asia and Japan. Gamboge is composed of a yellow resinous component (70-80%; morelloflavone) and a clear water-soluble Gum (20%). (This is a direct copy from the gamboge page.Do we want to add about how it's collected? its transparency?)

Gamboge has not yet been detected as a single colorant but has been found in mixtures with other colorants. (check)

For more information see: Gamboge

Examples of Gamboge in Ukiyo-e Prints

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

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

Dyed indigo.jpg

Indigo FORS.JPG
Beauties of the Yoshiwara by Suzuki Harunobu

Analysis

Gamboge does not fluoresce under UVA radiation and does not produce a distinct pattern using Excitation Emission Matrix (EEM) spectroscopy. Of the possible yellow colorants analyzed, it is the only bright yellow colorant that not only does not fluoresce but also absorbs the fluorescence emitted by the paper. This negative indication was sometimes used to assign the presence of gamboge.

Other Images of Gamboge

List of Prints

List of prints where indigo was detected