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Elemental analysis of medicinal plants from different sites by instrumental neutron activation analysis

Ratna Raju M.*, Madhusudhana Rao P. V., Seshi Reddy T., Raju M. K., Brahmaji Rao J. S., Venkatasubramani C. R.


A study was undertaken to evaluate the inorganic elements for humans in two Indian medicinal plants leaves, namely Sphaeranthus indicus, and Cassia fistula by Instrumental Neutron Activation Analysis (INAA). INAA experiment was performed by using 20 kW KAMINI Reactor at Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam. The emitted gamma rays were measured using gamma ray spectrometer. The concentrations of Al, Br, Ca, Fe, K, La, Mg, Mn, Na, Sc, V and Zn were determined in the selected medicinal plants. The medicinal leaves are using in treatment of various important ailments. The elemental content in selected medicinal leaves is various proportions depending on the soil composition, location of plant specimen and the climate in which the plant grows.


medicinal plants; reactor; HP (Ge) detector; neutron source and gamma assay.

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