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| Mass Spectrometry Identification of Yellow Plant Dyes on Ancient Paper |
| Received:September 22, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.04.017 |
| Key Words:ancient paper plant dye electrospray mass spectrometry |
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| Abstract:In this study， a series of yellow plant dyes， which were Turmeric， Gardenia， Sophora japonica， Rhubarb， Phellodendron amurense， and Coptis chinensis， were used to dye modern traditional handmade bamboo paper as standard samples， and two yellow book cover paper samples collected by Li Shengduo in Peking University Library were used as test samples for analysis and detection by electrospray mass spectrometry. The results showed that the types of yellow plant dyes in the two kinds of test samples could be distinguished and identified， by analyzing the mass spectrometry results of standard samples stained with different plant dyes， and utilizing the differences in molecular weight of dye compounds in different dyes， both of which were sophora japonica. It was preliminarily proved that electrospray mass spectrometry could analyze and identify the yellow plant dyes in ancient paper. |
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