ICP-AES法测定广西中药白花丹不同部位常量及微量元素  

Analysis of Macroelements and Microelements in Chinese Traditional Medicine Plumbago Zeylanica Linn by ICP-AES

作　　者：谭明雄[1,2,3] 陈振锋[2] 王恒山[2] 刘延成[2] 梁宏[1,2] 

机构地区：[1]中南大学化学化工学院,湖南长沙410083 [2]广西师范大学化学化工学院、药用资源化学与药物分子工程省部共建教育部重点实验室,广西桂林541004 [3]玉林师范学院化学与生物系,广西玉林537000

出　　处：《光谱学与光谱分析》2009年第4期1112-1114,共3页Spectroscopy and Spectral Analysis

基　　金：国家自然科学基金地区基金联合项目(30460153);“973”计划前期研究专项项目(2007CB516805)资助

摘　　要：采用电感耦合等离子体发射光谱法(ICP-AES)分析广西中药白花丹根、茎、叶3个部位的20种常量及微量元素。结果显示,白花丹中除了含人体必需的常量元素K,Ca,Na,Mg外,还有Zn,Fe,Mn,Cr,Co等必需的微量元素和其他元素Mo,Sb,Bi,Cd,Sr,Pb,Cd,As等。各元素的含量在白花丹的根,茎,叶中分布不同,在叶和根中的含量比较丰富,与白花丹的抗菌,抗肿瘤及抗氧化活性的药用有效部位在根部和叶部的结果一致,如Na,K,Ca,Zn,Fe,Mn,Sr,Cu,Co等含量在叶中含量最高,根次之。在许多抗癌中药中,Zn,Mn,Fe的含量通常比较高,Cr,Sr,Cu的含量也至关重要,作为传统抗癌中药的白花丹中就含有丰富的Zn,Mn,Fe和一定量的Sr,Cr,Cu元素,测定结果为探讨中草药中常量、微量元素与生物活性之间的相互协同关系提供了有用的数据,也为更好地开发和利用白花丹药用资源提供理论依据。Twenty macroelements and mieroelements were analyzed in the leaves, stems and roots of Plumbago zeylanica Linn from Guangxi by inductively coupled plasma atomic emission spectrometry （ICP-AES）. Four macroelements, Na, K, Ca and Mg, five essential mieroelements, Zn, Fe, Mn, Cr and Co, and eight other elements, Mo, Sb, Bi, Cd, Sr, Pb, Cd and As, were detected in all samples. The contents of the elements are varied in different parts of P. zeylanica. For all the determined elements, the contents in the leaves and roots are relatively higher as compared to those in the stems and it is in concurrence with the active parts of Plumbago zeylanica for the cure of antioxidant and anticancer drugs, as the elements Na, K, Ca, Zn, Fe, Mm Sr, Cu and Co are the highest in leaves, followed by those is in roots. Many anticancer herbs usually show comparatively rich Zn, Mn, Fe, as well as Cr, Sr and Cu. Plumbago zeylanica exists with abundant Zn, Mn and Fe and a certain amount of Cr, Sr and Cu. The results would provide useful data for discussing the relationship between the elements in Chinese traditional medicine and its activities, and could be useful for the exploitation of the Chinese traditional medicinal resources.

关 键 词：白花丹 常量和微量元素 ICP-AES 

分 类 号：O657.3[理学—分析化学]