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NUTRIENT EVALUATION AND ELEMENTAL ANALYSIS OF FOUR SELECTED MEDICINAL PLANTS OF KHYBER PAKHTOON KHWA, PAKISTAN

JAVID HUSSAIN^1-4*, FARMAN ULLAH KHAN¹, RIAZ ULLAH¹, ZIA MUHAMMAD¹, NAJEEB U REHMAN¹, ZABTA KHAN SHINWARI³, IHSAN ULLAH KHAN¹, MUHAMMAD ZOHAIB^1-2, IMAD-UD-DIN² AND SYED MURTAZA HUSSAIN¹

Abstract: The study was carried out to assess the nutritional value and mineral contents of four medicinal plants viz., Aerva javanica Burm.f, Calotropis procera Ait. f, Datura alba Nees, and  Nepeta suavis Stapf., which are traditionally used as medicine in the Northwest Pakistan. Proximate analysis of plant sample determines that protein (21.353%) and ash (18.803%) was highest in Datura alba, carbohydrate (70.123 %) in Aerva javanica, energy (398.496 Kcal/100g), fats (12.595%) and fibre (40.150%) was highest in Nepeta suavis, while highest moisture (11.255%) was reported in Calotropis procera. In comparative assessment of the various species, the results showed that Nepeta suavis is the most significant species having higher concentrations of fat, fibre and energy values compared to the other species. The essential elements such as Fe, Cd, Cu, Mn, Pb, Cr, Mg and Na have been analysed using Atomic Absorption Spectrometric method from the medicinal plants in variable range.

¹Department of Chemistry, Kohat University of Science and Technology, Kohat 26000, Pakistan

²Department of Chemistry, Govt Post Graduate College Kohat, Pakistan

³Department of Biotechnology, Quaid-i-Azam University, Pakistan

⁴Department of Biological Sciences and Chemistry, College of Arts and Sciences, University of Nizwa, Oman