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为了探讨石斛复方制剂中的药物微量元素与药理作用的关系，用等离子光谱和荧光分光光度法测定石斛等４味中药的铜、锌、铁、锰、铬、硒的含量。结果表明：４味中药微量元素含量丰富，其中含铁量都较高，石斛含硒量较高，黄芪含铁、锌、铬最高，说明了石斛复方制剂的抗氧化、延缓衰老、增强免疫力的作用与其高硒含量及丰富的铜、锌等必需微量元素有关
In order to investigate the relationship between drug trace elements and pharmacological effects in Dendrobium Compound preparations, the contents of Cu, Zn, Fe, Mn, Cr and Se in four herbs of Dendrobium were determined by plasma spectroscopy and fluorescence spectrophotometry. The results showed that the content of trace elements in four herbs was rich, the content of iron was higher, the content of selenium in the dendrobium was higher, and the content of iron, zinc and chromium in Astragalus was the highest, which indicated the anti-oxidation, anti-aging and immunity of Dendrobium Its role with its high selenium content and rich in copper, zinc and other essential trace elements