Antimicrobial Activity Of Morinda Lucida And Dialium Guineense Leaves On Some Bacterial Pathogens

OTUEKERE ONYINYECHI EUCHARIA | 54 pages (9573 words) | Projects

ABSTRACT

The antimicrobial activity of the extracts of the leaves of Morinda lucida and Dialium guineense were investigated to ascertain their inhibitory activities against some bacterial pathogens. The aqueous and methanolic extracts of both plants were tested against Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi, Enterococcus faecalis and Staphylococcus aureus using the Agar well diffusion method. The methanolic crude leaf extracts of both plants, inhibited the growth of the organisms, but only the aqueous extract of Dialium guineense showed antimicrobial activity. The diameter zones of inhibition ranged from 7mm to 15mm. The Minimum inhibitory concentrations (MIC) of the extracts were determined using the broth dilution method and ranged from 25 to 50mg/ml. The phytochemical analysis carried out on both plant leaves showed that they contained Alkaloids, Flavonoids, Saponins and Terpenoids. The percentage phytochemical constituents of the leaves of Morinda lucida and Dialium guineense were as follows; Alkaloid (0.64-1.70%), Terpenoid (1.52-1.78%), Saponin (1.92-2.04%) and Flavonoid (0.84-1.58%). The results obtained indicated that the leaves of the plants have antimicrobial activities and can be utilized in the treatment of some ailments.

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APA

OTUEKERE, E (2022). Antimicrobial Activity Of Morinda Lucida And Dialium Guineense Leaves On Some Bacterial Pathogens. Mouau.afribary.org: Retrieved Nov 15, 2024, from https://repository.mouau.edu.ng/work/view/antimicrobial-activity-of-morinda-lucida-and-dialium-guineense-leaves-on-some-bacterial-pathogens-7-2

MLA 8th

EUCHARIA, OTUEKERE. "Antimicrobial Activity Of Morinda Lucida And Dialium Guineense Leaves On Some Bacterial Pathogens" Mouau.afribary.org. Mouau.afribary.org, 22 Feb. 2022, https://repository.mouau.edu.ng/work/view/antimicrobial-activity-of-morinda-lucida-and-dialium-guineense-leaves-on-some-bacterial-pathogens-7-2. Accessed 15 Nov. 2024.

MLA7

EUCHARIA, OTUEKERE. "Antimicrobial Activity Of Morinda Lucida And Dialium Guineense Leaves On Some Bacterial Pathogens". Mouau.afribary.org, Mouau.afribary.org, 22 Feb. 2022. Web. 15 Nov. 2024. < https://repository.mouau.edu.ng/work/view/antimicrobial-activity-of-morinda-lucida-and-dialium-guineense-leaves-on-some-bacterial-pathogens-7-2 >.

Chicago

EUCHARIA, OTUEKERE. "Antimicrobial Activity Of Morinda Lucida And Dialium Guineense Leaves On Some Bacterial Pathogens" Mouau.afribary.org (2022). Accessed 15 Nov. 2024. https://repository.mouau.edu.ng/work/view/antimicrobial-activity-of-morinda-lucida-and-dialium-guineense-leaves-on-some-bacterial-pathogens-7-2

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