2017
DOI: 10.4314/bajopas.v10i1.23
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Antibacterial, cytotoxicity and GC-MS analysis of <i>Psidium Guajava</i> extracts

Abstract: Leaves of Psidium guajava was extracted with water, ethanol and chloroform using percolation technique. The extracts were subjected to thin layer chromatography, bioactivity and toxicity studies as well as GC-MS analysis. The TLC chromatogram revealed 3, 4 and 6 bands respectively for the water, ethanolic and chloroform extracts. Contact bio extracts against the tested bacteria showed that, out of the thirteen (13) fractions tested only one (1) showed activity on the test bacteria (Rf3).The fraction was active… Show more

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Cited by 5 publications
(6 citation statements)
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“…c, as the viscosity of the oil increased, the mixing index became higher. It was also observed that the lower the viscosity of the dispersed phase, the more stable was the emulsion . Mohammed et al evaluated the effect of dispersed‐phase viscosity on emulsion stability by using different blended linseed oils with varying viscosities to investigate the droplet size distribution.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…c, as the viscosity of the oil increased, the mixing index became higher. It was also observed that the lower the viscosity of the dispersed phase, the more stable was the emulsion . Mohammed et al evaluated the effect of dispersed‐phase viscosity on emulsion stability by using different blended linseed oils with varying viscosities to investigate the droplet size distribution.…”
Section: Resultsmentioning
confidence: 99%
“…It was also observed that the lower the viscosity of the dispersed phase, the more stable was the emulsion . Mohammed et al evaluated the effect of dispersed‐phase viscosity on emulsion stability by using different blended linseed oils with varying viscosities to investigate the droplet size distribution. It was found that the emulsion with a lower dispersed‐phase viscosity and the initial smaller droplet size formed more stable emulsions, owing to a slower rate of destabilization.…”
Section: Resultsmentioning
confidence: 99%
“…Phenolic compounds are also known for their antiinflammatory 22,23 , antimicrobial [24][25][26] , and antioxidant 27,28 effects. Saponins exhibit a variety of biological activities like anti-inflammatory 29 , hypocholesterolemic 30 and immunestimulating 31 , insecticidal and antimicrobial properties 32 , antidiabetic 33 , cytotoxic 34 and central nervous system activities 35,36 . Tannins have been reported to have various physiological effects like anti-irritant, antiparasitic effects 37 .…”
Section: Resultsmentioning
confidence: 99%
“…This test was intensified by weighing 0.5grams of each of the aqueous, ethanol and N-hexane extracts separately and mixed with 5ml of distilled water in a test tube and was vigorously shaken. The formation of stable foam is an indication of the presence of Saponins [11,16].…”
Section: Test For Saponinsmentioning
confidence: 99%