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<p>Lac dye, indigenous to South and Southeast Asia, is historically accepted to have entered Xinjiang during the Han Dynasty through trade routes established between India and China, and later from the 5<sup>th</sup> century CE, when Buddhist art started flourishing in the region. The dynamics of trade and colorant applications of lac in the region has been constrained by the limited availability of historical written sources, archeological materials, and scientific investigations. Using ultra-performance liquid chromatography with photo diode array detection and mass spectrometry (UPLC-PDA-MS), this study explores the characterization of lac in a small group of archeological textiles, wall paintings, and painted sculptures, dated between the 2<sup>nd</sup> and 9<sup>th</sup> century CE. It aims to undertake a first attempt to historically trace the dissemination of the insect dye between India and Northwest China, and within the broader framework of trade and cultural exchange along the Silk Roads in the first millennium CE.</p>

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Chemical evidence for the spread of lac colorant in Xinjiang from the 2nd to 9th centuries CE

  • 期刊论文

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  • 发表日期：

    2025年10月30日

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  • Sihan Zhao,
  • Juan Zhang,
  • Ana Serrano,
  • Diego Tamburini,
  • Xiaojing Kang,
  • Zhibo Zhou,
  • Yumin Gao,
  • Ling Shen,
  • Jiakun Wang,
  • Jie Yang,
  • Shaowen Shi,
  • Jian Liu,
  • Hui Zhang

摘要

Lac dye, indigenous to South and Southeast Asia, is historically accepted to have entered Xinjiang during the Han Dynasty through trade routes established between India and China, and later from the 5th century CE, when Buddhist art started flourishing in the region. The dynamics of trade and colorant applications of lac in the region has been constrained by the limited availability of historical written sources, archeological materials, and scientific investigations. Using ultra-performance liquid chromatography with photo diode array detection and mass spectrometry (UPLC-PDA-MS), this study explores the characterization of lac in a small group of archeological textiles, wall paintings, and painted sculptures, dated between the 2nd and 9th century CE. It aims to undertake a first attempt to historically trace the dissemination of the insect dye between India and Northwest China, and within the broader framework of trade and cultural exchange along the Silk Roads in the first millennium CE.