International Research Journal of Natural Sciences (IRJNS)

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Phytochemical, Antimicrobial and Gc/Ms Analysis of the Root of Stachytarpheta Cayennensis (L .Vahl) Grown in Eastern Nigeria


Stachytarpheta cayennensis is a plant full of phytonutrient, it has been applied by many  traditional healers to treat host of diseases. Its full constituents have not been fully documented. The phytochemical screening of the root of this plant revealed the presence of alkaloids, tannins, saponins, glycosides, steroids and phenols. The antimicrobial analysis on selected human pathogens; Streptococcus specie, Staphylococcus aureus, Klebsiella, Proteus specie and Pseudomonas specie showed that the extract was only sensitive to Proteus specie having a diameter of inhibition of 4mm at concentration of 240mg/cm3 and minimum inhibition concentration of 120mg/cm3. The spectrum obtained from the GC/MS analysis showed ten peaks at M/z 128 ,220,242,256,252,270,256, 296, 282 and 281 corresponding to molecular formulas of C10H8 for Cyclopentyl cycloheptene, C15H24  for Butylated hydroxyl toluene, C16H320  for Hexadecanoic acid, C16H28O2 for 11-tetradecyl-1-ol acetate, C17H38O2 for Hexadecanoic acid methyl ester,C16H32O2 for n-hexadecanoic acid  C19H34O2  for 9-octadecenoic acid methyl ester, C18H34O2 for  octadec-9-enoic acid and C18H35NO for 9-octadecenamide respectively. 9-octadecenamide (Oleamide) is useful for the treatment of insomnia. Oleamide accumulates in the cerebrospinal fluid during sleep deprivation and thus induces sleep in animals. It may be a potential medicinal treatment for mood and sleep disorders

Keywords: Human Pathogens, Phytonutrients, Stachytarpheta Cayennensis, phytochemicals

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