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. 2023 Mar 8;10(3):221305. doi: 10.1098/rsos.221305

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© 2023 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 4. — TIC of lipid extracts typical of plant contributions. (a) TIC of TLE from sample MZ_14 showing the presence of C₃₁ ketone (hentriacontane-16-one) that indicates the presumed presence of leek (Allium porrum) in the ceramic samples [37,50–52] and C₂₉(15) ketone that indicates the presumed presence of Brassica [49]. (b) TIC of TLE from sample CLESP_194 showing the presence of C₂₉(10) ketone (nonacosane-10-one) that indicates the presumed presence of fennel (Foeniculum vulgare) [2,53]. (c) TIC of AE from sample CLESP_89 indicating plant oil by a C_18:1/C_18:0 > 2 [54,55].