PMID: 2484407Dec 1, 1989Paper

Variation of trace metals in ancient and contemporary Japanese bones

Biological Trace Element Research
A HisanagaY Eguchi

Abstract

Excavated and contemporary bones (rib cortexes) of a mature age (40-60 yr) were analyzed by atomic absorption spectrometry for the concentration of seven elements, including Ca, Cd, Cu, Fe, Mn, Ni, and Pb, with a view to historically evaluating the chemical composition of the bones. Fifty-two well-preserved specimens, obtained from western Japan, were classified into six groups according to Japanese prehistoric and historic eras (Jomon, Yayoi, Kofun, Muromachi, Edo, and Contemporary). Average concentrations of Ca were 0.20-0.33 g/g in the excavated bones and 0.17 g/g in the contemporary bones. Among the trace metals, such as Cu, Fe, Mn, and Pb, which showed remarkably elevated concentrations in the Edo era bones, Cu, Fe, and Mn were found to be strongly associated with soil contamination. Lead levels only slightly increased between the Jomon and Kofun eras, but became abruptly elevated following the Edo era. In contrast, the concentrations of Cd increased abruptly in the Yayoi era to a level with an order of magnitude higher than the Edo era, and they have recently decreased to rather low contemporary levels. This tendency becomes clearer when comparing the molar ratio of trace metals to Ca. The cause of elevated Cd concentrati...Continue Reading

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Citations

Sep 9, 2008·Archives of Environmental Contamination and Toxicology·Barbara Brodziak-DopieralaKrzysztof Sobczyk
May 7, 2011·Biological Trace Element Research·Barbara Brodziak-DopierałaŁukasz Cieliński
Jul 2, 2009·Environmental Health and Preventive Medicine·Akio KoizumiAri Ide-Ektessabi
Sep 26, 2013·Homo : internationale Zeitschrift für die vergleichende Forschung am Menschen·M A AltinozM N Bilgen
Nov 16, 2014·Biological Trace Element Research·Barbara Brodziak-DopierałaDanuta Wiechuła
Dec 18, 2013·The Journal of Veterinary Medical Science·Fumihito TakahashiHiroyuki Tazaki

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