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This study aimed at analyzing the nutritional potential of a wild edible plant, Trianthema portulacastrum L. widely used in Peshawar, Khyber Pakhtunkhwa, Pakistan. The nutritional composition, vitamins, minerals and heavy elements were analyzed following the standard methods of Association of Official Analytical Chemists (AOAC). The nutritional assessment included determination of moisture, ash, lipid, fiber, protein, carbohydrate and energy. Among the nutrient values, fiber was found to be the highest (430.0 mg/g), followed by ash (348.0 mg/g), total protein (91.9 mg/g), moisture (80.0 mg/g), carbohydrate (30.2 mg/g) and total lipid (20.0 mg/g). The vitamins analyzed were found to have greater value for riboflavin (2.02 mg/g), than retinol (0.81 mg/g). Among the macro minerals, potassium was present in high concentration (51.6 mg/g) than sodium (44.0 mg/g). The trace elements were assessed using atomic absorption spectrophotometer (AAS) and their decreasing order was Fe>Zn>Mn>Ni>Cu. Two toxic metals, Pb and Cd were present in very minute quantities of 0.08 and 0.0006 mg/g, respectively. The results suggest that T. portulacastrum L. is a good source of fiber, proteins, riboflavin, potassium, sodium and iron. Keywords: Peshawar, Association of Official Analytical Chemists (AOAC), Trianthema portulacastrum L., nutritional composition, vitamins, minerals. African Journal of Biotechnology Vol. 12(42), pp. 6079-6085

african journal of biotechnology

Nutritional composition, vitamins, minerals and toxic heavy metals analysis of Trianthema portulacastrum L., a wild edible plant from Peshawar, Khyber Pakhtunkhwa, Pakistan