Difference between revisions of "Gromwell root"
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A natural dye extract from the roots of the perennial Lithospermum plants, most common of which are L. erythrorhizon (Japan and China) and L. officinale (North America). The red-purple root of the Gromwell plant is extracted with water to produce a non-lightfast purple colorant composed primarily of the nathaquinone compound shikonin. Called waka or usu in Japan, this purple color was restricted to the Imperial family. | A natural dye extract from the roots of the perennial Lithospermum plants, most common of which are L. erythrorhizon (Japan and China) and L. officinale (North America). The red-purple root of the Gromwell plant is extracted with water to produce a non-lightfast purple colorant composed primarily of the nathaquinone compound shikonin. Called waka or usu in Japan, this purple color was restricted to the Imperial family. | ||
| + | [[File:Gromwell_root.jpg|thumb|Gromwell root (''Lithospermum erythrorhizon'')]] | ||
| + | |||
| + | Examples from '''Uemera Dye Archive''': | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_center_(3_C) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_left_(234_L) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_right_(234_R) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_top_(236_T) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_bottom_(236_B) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_right_(237_R) | ||
| + | * http://cameo.mfa.org/wiki/Shikon_-_center_(238_C) | ||
| − | |||
See also [[puccoon]]. | See also [[puccoon]]. | ||
Revision as of 17:33, 17 June 2020
Description
A natural dye extract from the roots of the perennial Lithospermum plants, most common of which are L. erythrorhizon (Japan and China) and L. officinale (North America). The red-purple root of the Gromwell plant is extracted with water to produce a non-lightfast purple colorant composed primarily of the nathaquinone compound shikonin. Called waka or usu in Japan, this purple color was restricted to the Imperial family.
Examples from Uemera Dye Archive:
- http://cameo.mfa.org/wiki/Shikon_-_center_(3_C)
- http://cameo.mfa.org/wiki/Shikon_-_left_(234_L)
- http://cameo.mfa.org/wiki/Shikon_-_right_(234_R)
- http://cameo.mfa.org/wiki/Shikon_-_top_(236_T)
- http://cameo.mfa.org/wiki/Shikon_-_bottom_(236_B)
- http://cameo.mfa.org/wiki/Shikon_-_right_(237_R)
- http://cameo.mfa.org/wiki/Shikon_-_center_(238_C)
See also Puccoon.
Synonyms and Related Terms
murasaki (Jap.); shikonin; waka; usu; redroot; bloodroot ; Lithospermum erythrorhizon; Lithospermum officinale (stoneseed)
Hazards and Safety
Poor lightfastness
Sources Checked for Data in Record
- Encyclopedia Britannica, http://www.britannica.com Comment: "Boraginaceae." Encyclopædia Britannica Premium Service. 30 Sept. 2004 .