International Journal of Science and Technology

International Journal of Science and Technology>> Volume 7, Number 2, February 2017

International Journal of Science and Technology

Determination of the Concentration of Potassium in Lippia Multiflora and Bridelia Ferruginea for the Treatment of High Blood Pressure (Hypertension)

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Author L. Tettey-Larbi, L. O. Poku, E. O. Darko, A. Faanu, A. A. Appiah, I. K. Baidoo, R. K. Osei
On Pages 24-27
Volume No. 5
Issue No. 1
Issue Date January 01, 2015
Publishing Date January 01, 2015
Keywords Potassium, INAA, Medicinal Plants, Hypertension


Concentration of Potassium together with three other major essential elements in two medicinal plants used for the treatment of hypertension at the Center of Scientific Research into Plant Medicine (CSRPM), Mampong-Akuapem, Ghana, were determined by instrumental neutron activation analysis (INAA). The medicinal plants were Lippia multiflora and Bridelia ferruginea. Concentrations of Potassium (K) together with Magnesium (Mg), Chlorine (Cl) and Sodium (Na) were determined by short and medium irradiation at the Ghana Research Reactor-1 under an average neutron flux density of 5.01011ncm-2s-1. The elemental concentrations in mg/kg for each case of the medicinal plant samples varied as K > Mg > Cl > Na with Lippia multiflora the highest in each case except for Na as compared to Bridelia ferruginea. Na was found to be about 0.9% of K for Lippia multiflora and about 2.3% of K for Bridelia ferruginea. The variation in the concentration of these elements is due to factors such as the botanical structure and preferential root uptake for such elements which is also influenced by the age of the plant as well as the mineral composition of the soil in which the plant grows, use of fertilizers, irrigation water, ambient and climate conditions. The accuracy of the method was validated by analyzing the standard reference material NIST RM 1547 (Peach leaves) for which most of the elements were within 10% of the reported values.

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