Abstract
It has become necessary to assess the authenticity of beef origin because of concerns regarding human health hazards. In this study, we used a metabolomic approach involving matrix-assisted laser desorption/ionization imaging mass spectrometry to assess the authenticity of beef origin. Highly accurate data were obtained for samples of extracted lipids from beef of different origin; the samples were grouped according to their origin. The analysis of extracted lipids in this study ended within 10 min, suggesting this approach can be used as a simple authenticity assessment before a definitive identification by isotope analysis.
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Acknowledgments
We are grateful to Mayumi Suzuki, Shoko Kamei, and Yukiko Sugiyama for their assistance. This work was supported by the Program for Promotion of Basic and Applied Researches for Innovations in Bio-oriented Industry (BRAIN) to N. Z., a Grant-in-Aid under the SENTAN program to M. S., and a Grant-in-Aid for Young Scientists B (21780110) to N. G-I.
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Published in the special issue Biomedical Mass Spectrometry with Guest Editors Hisao Oka and Mitsutoshi Setou.
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Zaima, N., Goto-Inoue, N., Hayasaka, T. et al. Authenticity assessment of beef origin by principal component analysis of matrix-assisted laser desorption/ionization mass spectrometric data. Anal Bioanal Chem 400, 1865–1871 (2011). https://doi.org/10.1007/s00216-011-4818-5
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DOI: https://doi.org/10.1007/s00216-011-4818-5