藏药珠西的化学成分与结构分析

doi:10.3964/j.issn.1000-0593(2012)06-1671-03

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摘要：采用X射线荧光(XRF)、电感耦合等离子体发射光谱(ICP-OES)和X射线衍射(XRD)对不同来源藏药珠西中的元素成分和结构组成进行测定，以期揭示其药理作用的物质基础。XRF和ICP-OES分析结果表明，藏药珠西中主要元素为Fe, S和O，及少量的Si, Na, Mg, Al, K, Ni, Ca, Ti等元素。XRD分析表明，藏药珠西中主要存在立方晶系FeS₂，此外还含有少量的斜方晶系Fe₊₃O(OH)等。通过XRF, ICP-OES和XRD分析，获得了藏药珠西的化学成分和结构组成基本数据，为其药理作用物质基础的揭示和质量标准的制定提供了科学依据。

关键词：珠西;自然铜;佐太;X射线荧光;电感耦合等离子体发射光谱;X射线衍射

Abstract：Zhuxi is a mineral medicine widely used in traditional Tibetan medicine throughout history. However, the bioactive component in Zhuxi still remains unclear. In order to enunciate the material basis of its pharmacological activity, the present research has determined the chemical component and structure of Zhuxi. X-ray fluorescence spectroscopy (XRF), inductively coupled plasma optical emission spectrometer (ICP-OES) and X-ray diffraction (XRD) were utilized to assay two samples of Zhuxi. XRF and ICP-OES analysis indicated that the main elements in Zhuxi are Fe, S and O, also containing some minor elements, such as Si, Na, Mg, Al, K, Ni, Ca, Ti and so on. XRD analysis suggested that the main crystal compound in Zhuxi is FeS₂ (Cubic, Pa-3), also existing a few of Fe₊₃O(OH)(orthorhombic, Pbnm) and other some unknown compounds. These studies has highlighted the potential the element components and compound structures of Zhuxi, so it may be a good starting point for exploring the material basis of its pharmacological activity.

Key words：Zhuxi;Pyrite;Zuotai;Crystal system;XRF;ICP-OES;XRD

收稿日期: 2011-11-21 修订日期: 2012-02-25

中图分类号:

R282.5

通讯作者: 魏立新 E-mail: lxwei@nwipb.cas.cn

引用本文:

李岑^{1, 3}，桑老²，楞本才让²，夏振江^{1, 3}，杜玉枝¹，魏立新^1* . 藏药珠西的化学成分与结构分析[J]. 光谱学与光谱分析, 2012, 32(06): 1671-1673.
LI Cen^{1, 3}, Sang-lao², Leng-bencairang², XIA Zhen-jiang^{1, 3}, DU Yu-zhi¹, WEI Li-xin^1* . The Chemical and Structural Analysis of Tibetan Medicine Zhuxi. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(06): 1671-1673.

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