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X-선 형광 분석방법을 이용한 숙지황의 무기원소 함량분석과 지리적 특성 규명
배혜리 ( Hey Ree Bae ),이시경 ( Si Kyung Lee ),황인재 ( In Jae Whang ),강정미 ( Jeong Mi Kang ),이진호 ( Jin Ho Lee ),김정한 ( Jeong Han Kim ) 한국응용생명화학회 2015 Journal of Applied Biological Chemistry (J. Appl. Vol.58 No.4
Dried Rehmannia Radix Preparat, produced in different geographic origins of Korea and China, were investigated for the trace element contents using X-ray fluorescence spectrometry. When the estimated data for 35 kind of elements including K, P, S, Cl, Si, Al, Fe, Sn, etc on 143 samples were analyzed by canonical discrimination technique, the average classification correct rate was 92.3% and the significance was less than 0.0001. In case of reducing the number of elements for statistic analysis from 35 to 8 and to 3, the correct rates were also reduced to 88.1% and to 84.6%. The correct rate for Chinese samples ranged from 94.6-96.0%, while those for Korean ranged from 72.5-89.9%.