Journal
ARCHAEOMETRY
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/arcm.12930
Keywords
cotton; dyer's broom; HPLC-MS/MS; indigo; kermes; Sudan; wool
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This paper presents the analysis results of 17 samples of textiles collected from the ancient capital of Old Dongola in the Middle Nile Valley. The study identified the presence of both plant and animal dyes using high performance liquid chromatography coupled with mass spectrometry. The findings provide the first dye identification for textiles produced in Sudan during the 17th and 18th centuries, contributing new data to the research on textile production and trade in post-medieval Sudan.
The Middle Nile Valley offers exceptional environmental conditions that allow the preservation of organic materials, including textiles. This paper presents the results of the analysis of 17 samples collected from wool, cotton, and silk textiles excavated in the ancient capital of Old Dongola from layers dated to the 17th and 18th centuries CE. Chemical analysis using high performance liquid chromatography coupled with mass spectrometry (HPLC-MS/MS) have identified both plant and animal dyes. Locally produced textiles, mostly from wool and decorated with blue, green, orange, and yellow hues, were dyed with woad (Isatis tinctoria), flavonoid plants, and madder-type roots, which were already known and used by medieval dyers in that area. For the first time, kermes (Kermes vermilio) and lac-dye (Kerria species) have been also identified as a dye source in samples from this group. Imported fabrics, of cotton and silk, were dyed blue with woad (I. tinctoria) but also with indigo (Indigofera tinctoria); dyer's broom (Genista tinctoria) and kermes (K. vermilio) were other dyes identified in this second group. The results of this study provide the first dye identification for textiles produced in the 17th-18th c. Sudan and contribute new data to the research on textile production and trade in post-medieval Sudan.
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