Tracing the geographical origin of beefs being circulated in Korean markets based on stable isotopes |
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| Authors: | Yeon‐Sik Bong Woo‐Jin Shin A‐Reum Lee Young‐Soo Kim Kangjoo Kim Kwang‐Sik Lee |
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| Institution: | 1. Division of Earth & Environmental Sciences, Korea Basic Science Institute, 113 Gwahangno, Yusung‐gu, Daejeon 305‐333, Korea;2. Department of Geology and Earth Environmental Sciences, Chungnam National University, 79 Daehangno, Yuseong‐gu, Daejeon 305‐764, Korea;3. Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 305‐764, Korea;4. Incheon Main Customs House, Central Customs Laboratory and Scientific Service, 218 Eonjuro, Gangnam‐gu, Seoul 135‐702, Korea;5. Department of Environmental Engineering, Kunsan National University, Jeonbuk 573‐701, Korea |
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| Abstract: | We have examined the carbon, nitrogen and oxygen isotopic compositions of American, Mexican, Australian, New Zealand and Korean beefs, which are currently being circulated in Korean markets, to check whether stable isotope ratios can identify their country of origin. Each beef exhibited statistically distinct isotopic compositions, especially in oxygen and carbon, because of the different isotopic compositions of their water and cattle feeds. Nevertheless, their isotopic compositions still showed some overlap, especially among USA, Australian, and Korean beefs, which sometimes resulted in significant misidentification when a single isotope was considered. However, the discrimination was generally successful when both the carbon and the oxygen isotopes were used. Copyright © 2009 John Wiley & Sons, Ltd. |
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