PXD045813-1

PXD045813 is an original dataset announced via ProteomeXchange.

Title	Characterization of pottery foodcrusts through lipid and proteomic analyses: a case study from the Xiawan site in Yixing city, East China
Description	Foodcrusts are often discovered inside archaeological pottery and other containers. They can provide abundant information about vessel function, diet, cuisine activities and human subsistence strategies. Lipid analysis has been used for decades to characterize foodcrusts, indicating their compositions and biological sources. Recently, proteomics has also been applied to foodcrusts, providing more specific information about the tissues and species origins. In this study, lipid and proteomic analysis were combined to analyze foodcrusts in pottery from the Xiawan site of the Taihu Lake region, East China. These pottery sherds are mainly attributed to the Songze cultural period (ca. 5800-5300 BP). The results show that these foodcrusts contain interpretable concentrations of lipid compounds, including a series of common medium- and long-chain fatty acids, dicarboxylic acids, aliphatic alcohols, sterols and their derivatives, isoprenoid fatty acids and long-chain ketones, as well as proteins of terrestrial mammals and aquatic products. This study provides direct evidence for the function of pottery and the exploitation of animal and plant resources at that time, especially freshwater products, marine fish, rice and millet. In addition, as an indicator of high-temperature heating, long-chain ketones may have the potential to be used for prescreening the preservation of ancient proteins in foodcrusts. Therefore, the combination of lipid and proteomic analysis has great potential in organic residue analysis for foodcrusts.
HostingRepository	PRIDE
AnnounceDate	2025-07-10
AnnouncementXML	Submission_2025-07-10_03:50:46.696.xml
DigitalObjectIdentifier	https://dx.doi.org/10.6019/PXD045813
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Supported dataset by repository
PrimarySubmitter	Nanning LYU
SpeciesList	scientific name: unclassified Actinopterygii; NCBI TaxID: 1004024; scientific name: Mammalia; NCBI TaxID: 40674;
ModificationList	monohydroxylated residue; deamidated residue; iodoacetamide derivatized residue
Instrument	Orbitrap Fusion Lumos; Q Exactive HF-X

Revision	Datetime	Status	ChangeLog Entry
0	2023-09-29 07:08:37	ID requested
⏵ 1	2025-07-10 03:50:47	announced

10.6019/PXD045813;

submitter keyword: LC-MSMS,pottery foodcrusts

Huiyun Rao
contact affiliation	Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, 100044, China
contact email	raohuiyun@ivpp.ac.cn
lab head
Nanning LYU
contact affiliation	University of Chinese Academy of Sciences
contact email	lvnanning20@mails.ucas.ac.cn
dataset submitter

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PRIDE project URI

• PRIDE
  1. PXD045813
     1. Label: PRIDE project
     2. Name: Characterization of pottery foodcrusts through lipid and proteomic analyses: a case study from the Xiawan site in Yixing city, East China