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

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(Created page with "== Description == Sappanwood (suo): in progress <gallery> Sappsnwood trees.JPG|Sappanwood (''Caesalpinia sappan'') File:brazilwood raw.jpg|Cut pieces of brazilwood...")
 
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== Description ==
 
== Description ==
  
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[[Sappanwood]] (suo):    in progress 
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Gamboge (): 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. It was regularly imported to Europe in the 17th century but a few earlier deliveries may have occurred. Gamboge is composed of a yellow resinous component (70-80%; morelloflavone) and a clear water-soluble [[gum]] (20%). Gamboge is marketed in the form of dull, brownish-yellow cakes or lumps. When powdered, it has a rich golden color. Gamboge is used as a transparent colorant in glazes, varnishes, and watercolors. The carbohydrate gum acts as a natural binder. The yellow color fades when exposed to light or [[ozone]]. In some cases it has recovered its color when placed in the dark.
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<gallery>
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Sappsnwood trees.JPG|Sappanwood (''Caesalpinia sappan'')
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<gallery>|
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File:brazilwood raw.jpg|Cut pieces of brazilwood (''Caesalpinia brasiliensis'')
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File:gamboge_pieces_1.jpg|Gamboge pieces
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File:296 gamboge.jpg|Gamboge, powdered
 
File:Red bud_suo.jpg|Red bud
 
File:Red bud_suo.jpg|Red bud
 
File:12 Sappanwood.jpg|Sappanwood, poowdered
 
File:12 Sappanwood.jpg|Sappanwood, poowdered
 
File:06_Brazilwood comp.jpg|Dye mixtures from brazilwood juice
 
File:06_Brazilwood comp.jpg|Dye mixtures from brazilwood juice
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Sappanwood color.PNG|EEM Color
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Gamboge color.PNG|EEM Color
 
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Revision as of 12:25, 29 April 2020

Description

Gamboge (): 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. It was regularly imported to Europe in the 17th century but a few earlier deliveries may have occurred. Gamboge is composed of a yellow resinous component (70-80%; morelloflavone) and a clear water-soluble Gum (20%). Gamboge is marketed in the form of dull, brownish-yellow cakes or lumps. When powdered, it has a rich golden color. Gamboge is used as a transparent colorant in glazes, varnishes, and watercolors. The carbohydrate gum acts as a natural binder. The yellow color fades when exposed to light or Ozone. In some cases it has recovered its color when placed in the dark.

  • Gamboge pieces

  • Gamboge, powdered

  • Red bud

  • Sappanwood, poowdered

  • Dye mixtures from brazilwood juice

  • EEM Color

Examples

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