Difference between revisions of "PEM E79076, embroidered silk shawl, China (19th century)"
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== HPLC profile == | == HPLC profile == | ||
| − | [[File: | + | [[File:Safflower PEM 79076.PNG|center|frame|Absorbance at 450nm (mAU)]] |
== Identified compounds == | == Identified compounds == | ||
Revision as of 12:15, 8 August 2017
Artifact Information
Orange-red Chinese embroidered silk shawl. Early to mid-19th century.
The Peabody Essex Museum in Salem, MA USA. E79076.
Image of the embroidered Chinese silk shawl. photo by Chika Mori
Summary of results
The major components of the plant are protoberberine alkaloids: palmatine and jatrorrhzine. No berberine was detected. The dyeing source was probably huangteng. [2]
HPLC profile
Absorbance at 450nm (mAU)
Identified compounds
| Compound | RT (min.) | MW | UV/vis | Other |
|---|---|---|---|---|
| palmatine | 37.1 | 351 | 348,428 | major component |
| jatrorrhizine | 34.4 | 337 | 348,428 |
References
[1] Worth, S.(1986) "Embroidered China crepe shawls: 1816-1863; Dress 12:43-54.
[2] Xian Zhang,Karina Corrigan, Bruce MacLaren, Mimi Leveque, and Richard A. Laursen, Characterization of Yellow Dyes in Nineteenth Century Chinese Textiles. Studies in Conservation 52, 211-220 (2007).