Journal of Applied Biological Chemistry

  • 제58권4호
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  • Pages.345-348
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  • 2015
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  • 1976-0442(pISSN)
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  • 2234-7941(eISSN)
한국응용생명화학회 (The Korean Society for Applied Biological Chemistry)
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X-선 형광 분석방법을 이용한 숙지황의 무기원소 함량분석과 지리적 특성 규명

Discrimination of Geographic Origin by Trace Elements Contents in Rehmannia Radix Preparat using X-ray Fluorescence Analysis

  • Bae, Hey-Ree (National agricultural products quality management service) ;
  • Lee, Si-Kyung (Graduate school of agriculture & animal science, Konkuk university) ;
  • Whang, In-Jae (National agricultural products quality management service) ;
  • Kang, Jeong-Mi (National agricultural products quality management service) ;
  • Lee, Jin-Ho (National agricultural products quality management service) ;
  • Kim, Jeong-Han (Department of agricultural Biotechnology, Seoul national university)
  • 투고 : 2015.05.31
  • 심사 : 2015.08.29
  • 발행 : 2015.12.31
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초록

한국산 및 중국산 숙지황(Dried Rehmannia Radix Preparat)의 지리적 원산지에 따른 특성을 알아보기 위하여 X-선 형광분석기(X-ray fluorescence spectrometry)를 이용하여 미량 원소 함량을 측정하였다. 143종의 시료에서 검출된 K, P, S, Cl, Si, Al, Fe, Sn 등 35종의 원소를 정준판별분석한 결과 평균 판별 정확도는 92.3%로 나타났으며, 유의수준(p=)은 0.0001 미만으로 나타났다. 통계분석에 사용하는 원소수를 35종에서 8종, 3종으로 줄였을 때 판별정확도는 각각 88.1, 84.6%로 감소하는 것으로 나타났다. 중국산내에서의 판별정확도는 94.6-96.0%였으나 한국산내에서의 판별정확도는 72.5-89.9%로 나타났다.

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%.

키워드

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피인용 문헌

  1. ED-XRF (Energy Dispersive X-ray Fluorescence spectrometer)를 이용한 콩 원산지 판별 vol.52, pp.2, 2015, https://doi.org/10.9721/kjfst.2020.52.2.125