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      Carbon and nitrogen stable isotopic data of premodern human skeletons from mainland Japan and the Ryukyu islands

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          Abstract

          This dataset consists of carbon and nitrogen stable isotope ratios of bulk collagen extracted from 229 human skeletons from premodern Japan. All samples were derived from different individuals excavated from mainland Japan and the Ryukyu Islands. Most of the skeletal individuals were identified, sexed, and aged by physical anthropologists. Collagen samples were extracted from bone or root portion of tooth dentin. Collagen samples were measured by an elemental analyzer coupled to stable isotope ratio mass spectrometry. Stable isotope ratios are the useful proxy of palaeodiet, and this dataset can be used for dietary reconstruction of premodern people living in the Japan archipelago.

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          Postmortem preservation and alteration of in vivo bone collagen isotope ratios in relation to palaeodietary reconstruction

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            Reconstruction of breastfeeding and weaning practices using stable isotope and trace element analyses: A review

            Biogeochemical methods using stable isotopes and trace elements have been increasingly developed and applied to reconstruct modern and ancient breastfeeding and weaning practices of mammals, including humans, because they offer direct proxies for the dietary intake of subadults. Carbon, nitrogen, and oxygen isotopes have been used to evaluate breast milk lipid, protein, and water intake, respectively. Carbon and sulfur isotopes have been used to estimate the content of weaning foods. The elemental concentrations of Sr and Ba in subadult tissues differ because of the dietary change during the weaning process. For analyses, various tissues have been used, such as hair, nail, blood, and feces for modern mammals and bone and teeth for ancient ones. Of these, trace element analysis of tooth enamel offers a good opportunity for the reconstruction of breastfeeding and weaning practices of the more distant past at finer resolution, although further understanding of the metabolism of trace elements is necessary. There are various tissue- and element-specific advantages and disadvantages, and a combination of different proxies can illuminate practices from various viewpoints. Finally, applying the geochemical reconstruction of breastfeeding and weaning practices to human ecology, primatology, and paleoanthropology is important; basic studies of the underlying physiological mechanisms and technical improvements in the analyses will further highlight avenues for future research.
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              IsoArcH.eu: An open-access and collaborative isotope database for bioarchaeological samples from the Graeco-Roman world and its margins

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                Author and article information

                Contributors
                @tsutats
                Journal
                Data Brief
                Data Brief
                Data in Brief
                Elsevier
                2352-3409
                16 September 2021
                October 2021
                16 September 2021
                : 38
                : 107359
                Affiliations
                [a ]Department of Evolutionary Studies of Biosystems, The Graduate University for Advanced Studies, Shonan Village, Hayama, Kanagawa, 240-0193, Japan
                [b ]The University Museum, The University of Tokyo, Hongo 7-3-1, Bunkyo, Tokyo, 113-0033, Japan
                Author notes
                Article
                S2352-3409(21)00641-7 107359
                10.1016/j.dib.2021.107359
                8473651
                34604476
                b353b1cb-94b2-4eec-9bb9-c2d7191adfd7
                © 2021 The Authors

                This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

                History
                : 2 May 2021
                : 16 June 2021
                : 11 August 2021
                Categories
                Data Article

                bioarchaeology,human skeletons,japan,palaeodiet,premodern period, ryukyu islands,stable isotope analysis,premodern period,ryukyu islands

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