Shikon (Gromwell root) - bottom (236 B)

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Uemura 07-23-2009 236.jpg

Museum number 236
Uemura number / title ; "Haze-some 25"
Folder location 4th shelf
Sample location bottom (236 B)
Fiber type Silk
Color reddish purple
Dyestuff (Japanese common name) 紫根 : Shikon
Dye (English common name) Gromwell root
Dyestuff (botanical name) Lithospermum erythrorhizon Siebold et Zucc. (L. officinale L. subsp. erythrorhizon (Siebold et Zucc.) Hand.-Mazz.)
Plant part root / dried (?)
Dyestuff extraction boiled in water, and dyed in warm bath
Auxiliary agent in dye bath -
Mordant ash water
Other auxiliary agent vinegar (separate bath)
Uemura's notes By using both vinegar and ash water in the dyeing process, the resultant color became more red. This is an example of dyeing technique from the Edo period (the 16 -19th century AD), Japan.
Uemura's date Kyoto