Determination of geographical origin of onions in Republic of Korea using stable isotope ratios and element concentrations of C, H, O, N, and S

Seung-hyun Choi1,2, Jin Hee Park3 and Yeon-Sik Bong2, (1)Chungnam National University, Daejeon, Korea, Republic of (South), (2)KBSI Korea Basic Science Institute, Cheongju, South Korea, (3)School of Environmental and Biological Chemistry, Chungbuk National University, Cheongju, South Korea