中草药益母草中5种微量元素的含量测定 |
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引用本文: | 李生芳 赵青山 张秀英. 中草药益母草中5种微量元素的含量测定[J]. 安徽农业科学, 2014, 0(6): 1667-1668 |
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作者姓名: | 李生芳 赵青山 张秀英 |
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作者单位: | [1]青海大学农牧学院,青海西宁810016 [2]青海省家畜改良中心,青海西宁810003 |
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摘 要: | [目的]通过测定中草药益母草中5种微量元素含量,以期阐明益母草的作用机理及其鉴定提供依据。[方法]采用微波消解-火焰原子吸收光谱法测定益母草中5种微量元素Fe、Cu、Mn、Zn和Pb的含量。[结果]在各自的浓度范围内,各元素浓度与吸光度均呈良好的线性关系,相关系数R均大于0.999 1;益母草中Fe、Cu、Mn、Zn和Pb的含量分别为4.18、4.13、8.49、8.34和2.92μg/kg。[结论]该方法准确,可靠,可用于中草药益母草中5种微量元素的含量测定。
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关 键 词: | 微波消解 火焰原子吸收光谱法 益母草(HERBA LEONURI) 微量元素 |
Determination of 5 Trace Elements Concent in Leenurus Heterophyllus Sweet |
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Affiliation: | LI Sheng-fang( 1.Faculty of Agriculture and Animal Sciences, Qinghai University, Xining, Qinghai 810016;) |
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Abstract: | [Objective] The determination of trace elements in Leenurus Heterophyllus Sweet,to provide a basis to elucidate the action mechanism and identification of Leenurus Heterophyllus Sweet.[Method] 5 kinds of trace element Fe,Cu,Mn,Zn,Pb were determinated in Leenurus Heterophyllus Sweet by Microwave digestion treatment and flame atomic absorption spectrophotometry.[Result] Fe,Cu,Mn,Zn,Pb content in Leenurus Heterophyllus Sweet were 4.18 μg/kg,4.13 μg/kg,8.49 μg/kg,8.34 μg/kg,2.92 μg/kg,respectively. |
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Keywords: | Microwave digestion Flame atomic absorption spectrophotometry Leenurus Heterophyllus Sweet Trace element |
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