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Measuring 14C Concentration in Wine to Monitor Global Distribution of 14C

Published online by Cambridge University Press:  09 February 2016

Hirohisa Sakurai*
Department of Physics, Yamagata University, Yamagata, Japan
Saori Namai
Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
Emiko Inui
Faculty of Science, R.I. Laboratory, Yamagata University, Yamagata, Japan
Fuyuki Tokanai
Department of Physics, Yamagata University, Yamagata, Japan
Kazuhiro Kato
Faculty of Science, Yamagata University, Yamagata, Japan
Yui Takahashi
Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
Taichi Sato
Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
Satoshi Kikuchi
Fujitsu Ltd., Numazu, Japan
Yumi Arai
Department of Physics, Yamagata University, Yamagata, Japan
Kimiaki Masuda
STE Lab, Nagoya University, Nagoya, Japan
Katsumasa Shibata
Graduate School of Science and Engineering, Yamagata University, Yamagata, Japan
Yasunao Kuriyama
Department of Material and Biological Chemistry, Yamagata University, Yamagata, Japan
2Corresponding author. Email:


Using liquid scintillation counting (LSC) and accelerator mass spectrometry (AMS), radiocarbon concentrations were measured for wine from 8 wineries located in 7 countries in the Northern and Southern hemispheres. The 14C concentrations of ethanol and residual materials in the wine were correlated (correlation coefficient 0.82). The δ14C measurements of wine samples from the mid-latitudes in the Northern Hemisphere were approximately 1l% lower than the extrapolations from Schauinsland data, suggesting a local fossil fuel effect. δ14C measurements from the wine samples from the Southern Hemisphere were higher than those from the Northern Hemisphere. The offsets of the 4 wine δ14C measurements were significant, with values between approximately 8% and 15%. Because the harvest years of the mixed grapes were estimated to be 7–12 yr older than their vintage years, this leads to a caveat when determining the 14C concentrations of the year using the wine vintage.

Unusual Applications of 14C Measurement
Copyright © 2013 by the Arizona Board of Regents on behalf of the University of Arizona 

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