微波消解-火焰原子吸收光谱法测定杜仲中微量元素含量  

Determination of Trace Elements in Eucommia ulmoides Oliv. by Combining Microwave Digestion with Flame Atomic Absorption Spectrometry

作　　者：王安俊[1] 杨彪[1] 

机构地区：[1]遵义医学院药学院基础化学教研室,贵州遵义563003

出　　处：《安徽农业科学》2011年第20期12123-12124,12128,共3页Journal of Anhui Agricultural Sciences

摘　　要：[目的]测定杜仲中微量元素的含量。[方法]采用微波消解-火焰原子吸收光谱法测定杜仲皮和叶中Zn、Cu、Ca、Mg 4种微量元素的含量。[结果]4种微量元素的回收率在97%~100.9%之间,RSD值≤3.5%。杜仲皮与叶中Zn、Cu、Ca、Mg等微量元素含量有显著差异,降压效果也有显著差异。[结论]该方法具有准确、快速和方便等特点。[Objective] To determine the contents of 4 trace elements in Eucommia ulmoides Oliv..[Method] 4 trace elements including Zn,Cu,Ca and Mg in leaves and barks of Eucommia ulmoides Oliv.were determined by combining microwave-assisted sample digestion with flame atomic absorption spectrometry.[Results] The recovery rates of 4 trace elements ranged from 97% to 100.9% with all RSD value being less than 3.5%.There were significant differences in contents of Zn,Cu,Ca and Mg and antihypertensive effects between barks and leaves of Eucommia ulmoides Oliv..[Conclusion] The method was accurate,fast and convenient.

关 键 词：火焰原子吸收光谱法 微量元素 微波消解 

分 类 号：S567[农业科学—中草药栽培]