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Neanderthals may have consumed vegetables too

By Nathan Gray+

03-Jul-2014

New research shows that Neanderthal man also consumed vegetables as well as meat.
New research shows that Neanderthal man also consumed vegetables as well as meat.

Studies of 50,000 year old stool samples from Spain have suggested that Neanderthals may have consumed more vegetables than previously thought.

Writing in PLoS One, researchers from the Massachusetts Institute of Technology and University of La Laguna used analytical techniques to quantify faecal biomarkers from five samples found in El Salt, Spain, dating back to about 50,000 years ago. These biomarkers can help researchers identify dietary sources by the way dietary sterols are broken down in the mammalian gut.

The analysis suggests that Neanderthals predominantly consumed meat, as indicated by high proportions of a one faecal biomarker formed by the bacterial reduction of cholesterol in the gut (coprostanol), but the authors also found evidence of significant plant intake, as shown by the presence of a compound often found in plant sources (5β-stigmastanol).

In support of the finding, microscopic examination of sediment from the same context yielded the identification of human coprolites.

The authors hope that future studies using this biomarker approach may provide further insights into the role of vegetables in the Neanderthal diet.

"This study represents the first approach to Neanderthal diet through the analysis of faecal markers found in archaeological sediment,” said Ainara Sistiaga who led the study.

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