ABSTRACT
The crude extract of Aloe Vera
gel was investigated with the aim of determining the antimicrobial activity,
the best solvent to be used for extraction and the organism that is most
susceptible to the crude Aloe vera gel extract. Ethanol, Methanol and Aqueous
(hot) were used as solvents for extraction. Although aqueous extract had the
highest yield (19.0g) after extraction as compared to ethanol (18.40g) and
methanol (18.20g), ethanol was still regarded as the best solvent for
extraction. The susceptibility of Escherichia coli, Staphylococcus aureus and
Candida albicans to the crude extracts of Aloe vera gel was determined by agar
well diffusion method. Gentamycin was used as positive control while
dimethylsulphoxide (DMSO) was used as a negative control. The ethanol extract
inhibited the growth of Escherichia coli, Staphylococcus aureus and Candida
albicans with zones of inhibition of 6, 5, and 4mm respectively while aqueous
extract had zones of inhibition of 6, 4 and 3mm respectively. The methanol
extract inhibited the growth of Escherichia coli (3mm) only. The ethanol
extract gave a better minimum inhibitory concentration (MIC) (0.125, 0.125 and
0.50mg/ml) than aqueous extract (0.25, 0.25 and 0.5mg/ml) and methanol extract
(0.50, 0.00 and 0.OOmg/ml) on Escherichia coli, Staphylococcus aureus and
Candida albicans respectively. The study revealed that ethanol and aqueous
extracts of aloe vera gel was susceptible to the three pathogens and also lend
more weight to general acceptability of these crude extracts for therapeutic
purposes.
GODSON, E (2022). Antimicrobial Effects Of Aloe Vera On Some Human Pathogens. Mouau.afribary.org: Retrieved Nov 14, 2024, from https://repository.mouau.edu.ng/work/view/antimicrobial-effects-of-aloe-vera-on-some-human-pathogens-7-2
EZIOKWU, GODSON. "Antimicrobial Effects Of Aloe Vera On Some Human Pathogens" Mouau.afribary.org. Mouau.afribary.org, 08 Dec. 2022, https://repository.mouau.edu.ng/work/view/antimicrobial-effects-of-aloe-vera-on-some-human-pathogens-7-2. Accessed 14 Nov. 2024.
EZIOKWU, GODSON. "Antimicrobial Effects Of Aloe Vera On Some Human Pathogens". Mouau.afribary.org, Mouau.afribary.org, 08 Dec. 2022. Web. 14 Nov. 2024. < https://repository.mouau.edu.ng/work/view/antimicrobial-effects-of-aloe-vera-on-some-human-pathogens-7-2 >.
EZIOKWU, GODSON. "Antimicrobial Effects Of Aloe Vera On Some Human Pathogens" Mouau.afribary.org (2022). Accessed 14 Nov. 2024. https://repository.mouau.edu.ng/work/view/antimicrobial-effects-of-aloe-vera-on-some-human-pathogens-7-2