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KMID : 0861020020170020235
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Korea Journal of Herbology
2002 Volume.17 No. 2 p.235 ~ p.245
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Studies on Monitoring Hazardous substances of Natural Medicines(Ⅰ)
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김종욱/Kim, Jong Wook
최호영/조정희/김도훈/강인호/심영훈/김은경/Choi, Ho Young/Cho, Jung Hee/Kim, Do Hoon/Kang, In Ho/Shim, Young Hun/Kim, Eun Kyung
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Abstract
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Objectives : This study was performed to determine the harmful heavy metal ions(Pb, Hg, As, Cd, Cr) in twenty species of natural medicines circulated in Korea and China.
Methods : The levels of heavy metal ions(Pb, As, Cd, Cr) were processed using kjeldahl digestion and ICP(Inductively Coupled Plasma spectometer). Mercury was determined by the amalgamation method.
Results : Lead was detected less than 0.01(㎍/g) in most samples but in Achyranthes Root it was detected more than 1.0(㎍/g). The amount of Mercury was 0.01(㎍/g) in Trichosanthis Radix and 0.14(㎍/g) in Lonicera Flower. However, in Osterici Koreani Radix of Seong-do(China), Coix Seed of Jecheon(Korea) and Seoul(Korea) and Cimicifuga Rhizome of Seong-do(China), it was detected more than 1.2(㎍/g). The amount of Arsenic was determined 0.12(㎍/g) in Peach Kernel and 0.89(㎍/g) in Cimicifuga Rhizome. Cadmium was detected similar levels in most samples. Cadmium levels in Asiasarum Root was higher than any other samples and its value was 0.40(㎍/g). The amount of Chromium was detected 0.26(㎍/g) in Coix seed and 4.1(㎍/g) in Asiasarum Root. Chromium levels in Osterici Koreani Radix, Achyranthes Root and Asiasarum Root were higher than others. Hazardous heavy metals except Cr were detected less than 1.0(㎍/g) in most samples.
Conclusion : The results mean that natural medicines were exposed to risk-hazardous environment.
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