The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb

Abstract Recently, a bowl containing charred suspected tea remains unearthed from the early stage of Warring States period tomb in Zoucheng City, Shandong Province, China. To identify the remains is significant for understanding the origin of tea and tea drinking culture. Scientific investigations o...

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Autores principales:	Jianrong Jiang, Guoquan Lu, Qing Wang, Shuya Wei
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/edc0b49bf29d433fafbf4fca198436bb
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spelling	oai:doaj.org-article:edc0b49bf29d433fafbf4fca198436bb2021-12-02T17:08:43ZThe analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb10.1038/s41598-021-95393-w2045-2322https://doaj.org/article/edc0b49bf29d433fafbf4fca198436bb2021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95393-whttps://doaj.org/toc/2045-2322Abstract Recently, a bowl containing charred suspected tea remains unearthed from the early stage of Warring States period tomb in Zoucheng City, Shandong Province, China. To identify the remains is significant for understanding the origin of tea and tea drinking culture. Scientific investigations of the remains were carried out by using calcium phytoliths analysis, Fourier transform infrared spectroscopy (FTIR), Gas Chromatograph Mass Spectrometer (GC/MS) and Thermally assisted hydrolysis—methylation Pyrolysis Gas Chromatography Mass Spectrometry (THM-Py-GC/MS) techniques. Modern tea and modern tea residue were used as reference samples. Through phytoliths analyses, calcium phytoliths identifiable from tea were determined in the archeological remains. The infrared spectra of the archaeological remains was found similar as modern tea residue reference sample. In addition, the biomarker compound of tea—caffeine was determined in the archaeological remains by THM-Py-GC/MS analysis. Furthermore, through GC/MS analysis, some compounds were found both in the archeological remains and the modern tea residue reference samples. Putting the information together, it can be concluded that the archaeological remains in the bowl are tea residue after boiling or brewing by the ancient.Jianrong JiangGuoquan LuQing WangShuya WeiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jianrong Jiang Guoquan Lu Qing Wang Shuya Wei The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
description	Abstract Recently, a bowl containing charred suspected tea remains unearthed from the early stage of Warring States period tomb in Zoucheng City, Shandong Province, China. To identify the remains is significant for understanding the origin of tea and tea drinking culture. Scientific investigations of the remains were carried out by using calcium phytoliths analysis, Fourier transform infrared spectroscopy (FTIR), Gas Chromatograph Mass Spectrometer (GC/MS) and Thermally assisted hydrolysis—methylation Pyrolysis Gas Chromatography Mass Spectrometry (THM-Py-GC/MS) techniques. Modern tea and modern tea residue were used as reference samples. Through phytoliths analyses, calcium phytoliths identifiable from tea were determined in the archeological remains. The infrared spectra of the archaeological remains was found similar as modern tea residue reference sample. In addition, the biomarker compound of tea—caffeine was determined in the archaeological remains by THM-Py-GC/MS analysis. Furthermore, through GC/MS analysis, some compounds were found both in the archeological remains and the modern tea residue reference samples. Putting the information together, it can be concluded that the archaeological remains in the bowl are tea residue after boiling or brewing by the ancient.
format	article
author	Jianrong Jiang Guoquan Lu Qing Wang Shuya Wei
author_facet	Jianrong Jiang Guoquan Lu Qing Wang Shuya Wei
author_sort	Jianrong Jiang
title	The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
title_short	The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
title_full	The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
title_fullStr	The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
title_full_unstemmed	The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb
title_sort	analysis and identification of charred suspected tea remains unearthed from warring state period tomb
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/edc0b49bf29d433fafbf4fca198436bb
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The analysis and identification of charred suspected tea remains unearthed from Warring State Period Tomb

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