用仪器中子活化分析和原子吸收光谱技术测定印度药用植物中常量、微量营养素和微量元素浓度

R. Lokhande, P. Singare, Mahadeo L. Andhale, R. Acharya, A. Nair, A. Reddy
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引用次数: 7

摘要

采用仪器中子活化分析(INAA)和原子吸收光谱(AAS)技术,对印度阿育吠陀体系中常用的不同药用植物的特定部位(果实和种子)进行了18种元素(K、Mn、Na、Fe、Zn、Cu、Co、Br、Sm、Cl、La、Al、Cr、Ca、Cd、Ni、Pb和Hg)的分析。样品在核反应堆中用热中子辐照,用效率校准的高分辨率高纯锗(HPGe)探测器用γ射线能谱法测定其诱导活度。大多数药用植物被发现富含所研究的一种或多种元素。讨论了药用植物中不同部位的元素含量及其对人体的生物学作用。期望有关元素浓度的实验数据将有助于合成新的阿育吠陀药物,以控制和治疗各种疾病。
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Determination of macro, micro nutrient and trace element concentrations in Indian medicinal plants using instrumental neutron activation analysis and atomic absorption spectroscopy techniques
Specific parts (fruits and seeds) of different medicinal plants often used in Indian Ayurvedic system were analysed for 18 elements (K, Mn, Na, Fe, Zn, Cu, Co, Br, Sm, Cl, La, Al, Cr, Ca Cd, Ni, Pb and Hg) by employing instrumental neutron activation analysis (INAA) and atomic absorption spectroscopy (AAS) techniques. The samples were irradiated with thermal neutrons in a nuclear reactor and the induced activities were counted by γ-ray spectrometry using efficiency calibrated high-resolution high purity germanium (HPGe) detector. Most of the medicinal plants were found to be rich in one or more of the elements under study. The elemental concentration in different part of medicinal plants and their biological effects on human being are discussed. It is expected that the experimental data on the elemental concentrations will be helpful in the synthesis of new Ayurvedic drugs for the control and cure of various diseases.
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