Medicinal Plant

2010, v.1(11) 64-66

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Determination of Trace Elements in Traditional Chinese Medicine HERBA ERIGERONTIS
Determination of Trace Elements in Traditional Chinese Medicine HERBA ERIGERONTIS

摘要(Abstract):

[Objective] The research aimed to determine the contents of trace elements in traditional Chinese medicine HERBA ERIGERONTIS,so as to provide a basis for the development and application of HERBA ERIGERONTIS.[Method] Pretreated by HNO3-HClO4 mixed acid in 5:1 volume ratio as digestive juice,the contents of 10 trace elements including K,Ca,Cu,Na,Mg,Mn,Fe,Zn,Pb and Cd in HERBA ERIGERONTIS were determined by inductively coupled plasma atomic emission spectrometry(ICP-AES).[Result] HERBA ERIGERONTIS was richest in K with the content of 1 128.40(md) μg/g.Cd and Pb were not detected.The other 7 trace elements decreased according to content in the following order Na,Ca,Mg,Zn,Fe,Cu and Mn,which were 947.30,779.20,557.10,109.80,66.40,33.30 and 7.27(md) μg/g respectively.[Conclusion] The method used in this study was accurate and rapid,which could provide a theoretical basis for the study on internal relations between trace elements in HERBA ERIGERONTIS and its efficacy,in addition to for better development and utilization of HERBA ERIGERONTIS.

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基金项目(Foundation): Supported by the Yunnan Province Scientific and Technical Innovation (Grant No. :2007C0219Z-10)

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