Daio (family Polygonaceae) - center (309 C)

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Uemura 09-10-2009 309.jpg

Museum number 309
Uemura number / title ; "Haze-some 25"
Folder location 4th shelf
Sample location center (309 C)
Fiber type silk
Color yellow ochre
Dyestuff (Japanese common name) 大黄 : Daio
Plant part root / dried (?)
Dyestuff extraction boiled in water
Auxiliary agent in dye bath -
Mordant -
Other auxiliary agent vinegar (separate bath)
Uemura's notes The dyed fabric was subsequently soaked into vinegar, which made the color clearer. In the Tdaijikenmotsu-ch () (inventory of objects donated by the Emperor Shmu to the Tdaiji-temple in the city of Nara) from 8th century AD, Japan, it is recorded that approximately 550 kg of this plant was donated: " ". Ji () (Rehmannia glutinosa (Gaertn.) Libosch. ex Fiscg. et C.A.Mey. f. glutinosa) would not be suitable for dyeing.
Uemura's date Kyoto