This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are creditedĭata Availability: All relevant data is available in the paper.įunding: This research was funded by a Canarian Government predoctoral grant and a European Asociation of Organic Geochemistry travel award to AS. Received: FebruAccepted: Published: June 10, 2015Ĭopyright: © 2015 Sistiaga et al. PLoS ONE 10(6):Īcademic Editor: Roscoe Stanyon, University of Florence, ITALY Our results suggest that the chemometric analysis of faecal biomarkers is a useful tool for distinguishing between NHP and human faecal matter, and hence, it could provide information for palaeodietary research and early human diets.Ĭitation: Sistiaga A, Wrangham R, Rothman JM, Summons RE (2015) New Insights into the Evolution of the Human Diet from Faecal Biomarker Analysis in Wild Chimpanzee and Gorilla Faeces. This investigation reports the first faecal biomarker data for wild chimpanzee ( Pan troglodytes) and mountain gorilla ( Gorilla beringei). In this study we explored the nature and proportions of sterols and stanols excreted by our closest living relatives. A limiting factor in the application of the faecal biomarker approach is the striking absence of data related to the occurrence of faecal biomarkers in non-human primate faeces. Faecal biomarkers are proving to be a valuable tool in identifying relative proportions of plant and animal tissues in Palaeolithic diets. Our understanding of early human diets is based on reconstructed biomechanics of hominin jaws, bone and teeth isotopic data, tooth wear patterns, lithic, taphonomic and zooarchaeological data, which do not provide information about the relative amounts of different types of foods that contributed most to early human diets.
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