Abstract
Aim: This study investigated the proximate and phytochemical composition of Brachystegia eurycoma leaves.
 Methods: Crude ethanol extract of B. eurycoma leaves was obtained by cold extraction method. AOAC method was used for proximate analysis. Phytochemical profiling was done with qualitative phytochemical evaluation and gas chromatography-mass spectrometry (GC/MS) analytical method. Matching and interpretation of the spectral was done with the National Institute standard and Technology (NIST05) library.
 Results: The proximate analysis result showed B. eurycoma leaves to be abundant in parameters evaluated in the order of 31.47±0.43% Carbohydrate > 15.15±0.04% Ash > 14.45±0.15 crude fibre > 13.83±0.32 protein > 13.14±0.22 moisture > 1.97±0.01 fat. Qualitative phytochemical analysis detected alkaloid, saponin, tannin, diterpenes, phenol, quinine, flavonoid, protein, xanthoprotein and cardiac glycoside in the leaves of B. eurycoma. GC/MS data showed that the prevailing volatile bioactive compounds in ethanol leaf extract of B. eurycoma were 3-O-Methyl-d-glucose (13.23%), cis-9-Hexadecenal (10.40%), Desulphosinigrin (10.34%), Phytol (7.58%), Hydroquinone (7.23%), n-Hexadecanoic acid (6.61%), Oleoyl chloride (6.10%), 9,12-Octadecadienoic acid (Z,Z)- (5.89%), Hexadecanoic acid, (2.97%), Benzofuran, 2,3-dihydro-(1.94%), Hexadecanoic acid, 2-hydroxy-1-(hydroxymethyl) (1.92%).
 Conclusion: The result of this preliminary investigation reveals the potentials of B. eurycoma leaves as candidate for food, pharmaceutical, cosmetic and nutraceutical industries.
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