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The knowledge of the chemical composition of unpopular sources of edible oils has become paramount to supplement the usage of widely known vegetable oils. In this study, the gas chromatographic quantification of fatty acids and phytochemicals was carried out, and the physicochemical and micronutrient composition of Duranta repens leaf and seed oil were evaluated using standard methods. The leaf oils contained significantly higher (p < 0.05) peroxide, iodine and thiobarbituric acid values, refractive index, and moisture contents, while the saponification value, specific gravity, melting point and pH were significantly higher in the seed oil. The seed oils contained higher Mg, K, Na and vitamin K contents while the leaf oil contained higher Fe, vitamin A and vitamin D contents. The occurrence of the fatty acids were as follows: palmitic > oleic > myristic > stearic > capric > linoleic > lauric > palmitoleic for the seed oil, while for the leaf oil linoleic > palmitoleic > oleic > stearic > palmitic > myristic > capric > lauric > myristoleic. The major phytochemical constituents of the seed oils were catechin (68.12 ug/ml), saponin (44.03 ug/ml), rutin (32.89 ug/ml), linamarin (22.66 ug/ml) and tannins (19.62 ug/ml), while kaempherol (84.05 ug/ml), rutin (62.26 ug/ml) and saponins (45.63 ug/ml) were mostly predominant in the leaf oil. Spartein, anthocyanins and phytates were among the least phytochemicals in composition, for both samples. These chemical properties evaluated, suggest that Duranta repens seed oil is more suitable for industrial and therapeutic purposes

Characterization of oils fromDuranta repensleaf and seed