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Natural Product Research Part A
Year: 2012  |  Volume: 26  |  Issue: 2  |  Page No.: 161 - 166

Determination of trace elements in Rheum moorcroftianum by AAS

Pramod Singh, Jagmohan S. Negi, M.S.M. Rawat and Geeta Joshi nee Pant    

Abstract: Micro and macro elements such as Zn, Cu, Mn, Fe, Co, Na, K, Ca and Li were detected from Rheum moorcroftianum Royle, a plant used in folk medicines. Altitudinal and seasonal variation of these trace elements in cultivated and wild roots and leaves of R. moorcroftianum were quantified by atomic absorption spectroscopy. The highest concentrations of Zn, Cu, Mn, Fe, Co, Na, K, Ca and Li were found to be 376.0 ± 0.9, 83.0 ± 4.6, 322.0 ± 6.0, 920.0 ± 1.9, 72.0 ± 1.5, 402.0 ± 7.8, 10,235.0 ± 7.0, 12,336.0 ± 2.6 and 59.9 ± 0.3  mg kg−1, respectively, in all the samples analysed.

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