The Korea Journal of Herbology (대한본초학회지)

The Korea Association of Herbology (대한본초학회)
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Concentration of Heavy Metals, Residual Pesticides and Sulfur Dioxide of before/after a Decoction - In Prescription of Digestive System -

전탕 전과 후의 중금속, 잔류농약 및 잔류이산화황의 농도변화 - 소화기계 약을 중심으로 -

  • Seo, Chang-Seob (Center of Herbal EBM Research, Korea Institute of Oriental Medicine) ;
  • Huang, Dae-Sun (Center of Herbal EBM Research, Korea Institute of Oriental Medicine) ;
  • Lee, Jun-Kyoung (Center of Herbal EBM Research, Korea Institute of Oriental Medicine) ;
  • Ha, Hye-Kyoung (Center of Herbal EBM Research, Korea Institute of Oriental Medicine) ;
  • Chun, Jin-Mi (Center of Herbal Resources Research, Korea Institute of Oriental Medicine) ;
  • Um, Young-Ran (Center of Herbal Quality Control, Korea Institute of Oriental Medicine) ;
  • Jang, Seol (Center of Herbal Quality Control, Korea Institute of Oriental Medicine) ;
  • Shin, Hyun-Kyoo (Center of Herbal EBM Research, Korea Institute of Oriental Medicine)
  • 서창섭 (한국한의학연구원 한약EBM연구센터) ;
  • 황대선 (한국한의학연구원 한약EBM연구센터) ;
  • 이준경 (한국한의학연구원 한약EBM연구센터) ;
  • 하혜경 (한국한의학연구원 한약EBM연구센터) ;
  • 천진미 (한국한의학연구원 한약자원연구센터) ;
  • 엄영란 (한국한의학연구원 한약품질관리센터) ;
  • 장설 (한국한의학연구원 한약품질관리센터) ;
  • 신현규 (한국한의학연구원 한약EBM연구센터)
  • Published : 2009.03.30
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Abstract

Objectives : To compare the contents of hazardous substances before/after a decoction. Methods : The heavy metal contents before/after a decoction were measured by Inductively Coupled Plasma Atomic Emission Spectrometer (ICP-AES) and mercury analyzer. In order to analyze pesticides in 6 samples we used simultaneous multi-residue analysis of pesticides by GC/ECD, which was followed by GC/MSD analysis to confirm the identity of the detected pesticide in each sample. In addition, the contents of sulfur dioxide (SO2) were performed by Monier-Williams distillation method. Results : 1. The mean values of heavy metal contents (mg/kg) for the samples were as follows: Samchulkunbi-tang (before decoction - Pb; 1.592, Cd; 0.155, As; 0.055 and Hg; 0.014, after decoction - Pb; 0.036, Cd; 0.002, As; not detected and Hg; 0.001), Yijin-tang (before decoction - Pb; 0.830, Cd; 0.077, As; 0.045 and Hg; 0.015, after decoction - Pb; 0.193, Cd; 0.010, As; not detected and Hg; 0.002), Banhabaikchulcheunma-tang (before decoction - Pb; 0.976, Cd; 0.164, As; 0.167 and Hg; 0.019, after decoction - Pb; 0.031, Cd; 0.003, As; 0.006 and Hg; 0.005), Pyungwi-san (before decoction - Pb; 2.162, Cd; 0.128, As; 0.061 and Hg; 0.018, after decoction - Pb; 0.080, Cd; 0.006, As; not detected and Hg; 0.005), Leejung-tang (before decoction - Pb; 1.480, Cd; 0.294, As; 0.034 and Hg; 0.012, after decoction - Pb; 0.064, Cd; 0.007, As; 0.007 and Hg; 0.002) and Kwibi-tang (before decoction - Pb; 0.907, Cd; 0.193, As; 0.085 and Hg; 0.020, after decoction - Pb; 0.072, Cd; 0.006, As; 0.004 and Hg; 0.002). 2. Contents (mg/kg) of sulfur dioxide ($SO_2$) before a decoction in Banhabaikchulcheunma-tang, Pyungwi-san, Leejung-tang and Kwibi-tang exhibited 3.5, 3.4, 3.8 and 12.4, respectively. However, contents of sulfur dioxide after a decoction in all samples were not detected. 3. Contents (mg/kg) of residual pesticides before/after a decoction in all samples were not detected. Conclusions : These results will be used to establish a criterion of heavy metals, residual pesticides and sulfur dioxide.

Keywords

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