Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites

Summary: The odor of rehydrated coprolites can be used as an informal means of fecal identification. To date, the analysis of volatiles emitted by coprolites from different sources has not been attempted, and the possibility of utilizing volatile organic compounds (VOCs) as fecal biomarkers unexplor...

Full description

Bibliographic Details
Main Authors: Wanyue Zhao, Helen L. Whelton, John C. Blong, Lisa-Marie Shillito, Dennis L. Jenkins, Ian D. Bull
Format: Article
Language:English
Published: Elsevier 2023-06-01
Series:iScience
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2589004223008830
_version_ 1827942103242506240
author Wanyue Zhao
Helen L. Whelton
John C. Blong
Lisa-Marie Shillito
Dennis L. Jenkins
Ian D. Bull
author_facet Wanyue Zhao
Helen L. Whelton
John C. Blong
Lisa-Marie Shillito
Dennis L. Jenkins
Ian D. Bull
author_sort Wanyue Zhao
collection DOAJ
description Summary: The odor of rehydrated coprolites can be used as an informal means of fecal identification. To date, the analysis of volatiles emitted by coprolites from different sources has not been attempted, and the possibility of utilizing volatile organic compounds (VOCs) as fecal biomarkers unexplored. VOCs released by coprolites from the Paisley Caves, were analyzed using solid-phase microextraction (SPME), to assess the variance of results from different coprolites (carnivores, herbivores, or humans). Coprolites from carnivores can be clearly distinguished from those produced by herbivores and humans; these latter two are separated to a lesser degree. Eight discriminatory compounds differentiated between the coprolite sources, and their identities were verified using reference standards. Coprolites and their associated sediments could not be differentiated between using this method, suggesting leaching of VOCs into the burial matrix. This work provides an alternative, more rapid way to assess coprolite origin.
first_indexed 2024-03-13T09:54:39Z
format Article
id doaj.art-7c0bb514c7ff48268a70a6623ddc2ad7
institution Directory Open Access Journal
issn 2589-0042
language English
last_indexed 2024-03-13T09:54:39Z
publishDate 2023-06-01
publisher Elsevier
record_format Article
series iScience
spelling doaj.art-7c0bb514c7ff48268a70a6623ddc2ad72023-05-24T04:20:56ZengElsevieriScience2589-00422023-06-01266106806Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolitesWanyue Zhao0Helen L. Whelton1John C. Blong2Lisa-Marie Shillito3Dennis L. Jenkins4Ian D. Bull5Organic Geochemistry Unit, School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, UKOrganic Geochemistry Unit, School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, UKDepartment of Anthropology, Washington State University, College Hall, Pullman, WA 99164-4910, USASchool of History, Classics and Archaeology, Armstrong Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UKMuseum of Natural and Cultural History, University of Oregon, Eugene, OR 97403, USAOrganic Geochemistry Unit, School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, UK; Corresponding authorSummary: The odor of rehydrated coprolites can be used as an informal means of fecal identification. To date, the analysis of volatiles emitted by coprolites from different sources has not been attempted, and the possibility of utilizing volatile organic compounds (VOCs) as fecal biomarkers unexplored. VOCs released by coprolites from the Paisley Caves, were analyzed using solid-phase microextraction (SPME), to assess the variance of results from different coprolites (carnivores, herbivores, or humans). Coprolites from carnivores can be clearly distinguished from those produced by herbivores and humans; these latter two are separated to a lesser degree. Eight discriminatory compounds differentiated between the coprolite sources, and their identities were verified using reference standards. Coprolites and their associated sediments could not be differentiated between using this method, suggesting leaching of VOCs into the burial matrix. This work provides an alternative, more rapid way to assess coprolite origin.http://www.sciencedirect.com/science/article/pii/S2589004223008830Biological sciencesPaleobiologyArcheology
spellingShingle Wanyue Zhao
Helen L. Whelton
John C. Blong
Lisa-Marie Shillito
Dennis L. Jenkins
Ian D. Bull
Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
iScience
Biological sciences
Paleobiology
Archeology
title Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
title_full Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
title_fullStr Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
title_full_unstemmed Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
title_short Volatile organic compounds (VOCs) as a rapid means for assessing the source of coprolites
title_sort volatile organic compounds vocs as a rapid means for assessing the source of coprolites
topic Biological sciences
Paleobiology
Archeology
url http://www.sciencedirect.com/science/article/pii/S2589004223008830
work_keys_str_mv AT wanyuezhao volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites
AT helenlwhelton volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites
AT johncblong volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites
AT lisamarieshillito volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites
AT dennisljenkins volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites
AT iandbull volatileorganiccompoundsvocsasarapidmeansforassessingthesourceofcoprolites