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Determination of the Strontium Isotope Ratio in Ginseng as a Tracer of Regional Origin

등록일
2007년 2월 15일 17시 07분 58초
접수번호
1234
발표코드
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발표시간
금 <발표Ⅳ>
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
최성민
한밭대학교 공동실험실습관,
This study presents the inductively coupled plasma mass spectrometry (ICP-MS) as a method for tracing the regional origin of ginseng. The results of the analysis of 15 Korea ginsengs from three different regions and of 15 China ginsengs from three different regions reveal that the Sr isotope ratios 87Sr/86Sr of the ginsengs differed according to their origin. Rb was then separated from Sr to enable an interference-free measurement through cation-exchange chromatography. The results of the analysis of 30 ginseng samples revealed that the China ginsengs have an 87Sr/86Sr ratio range of 0.672~0.701, and the Korea ginsengs 0.702~0.719. The Korea ginsengs, therefore, have a higher 87Sr/86Sr ratio range than the China ginsengs. These results show that the 87Sr/86Sr ratio range of each region differs from that of the others.

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