Richardia brasiliensis Collected in Southern-Benin: Phytochemical Screening, Antimicrobial Activity  and Toxicity

Chabi-Sika, Kamirou; Sina, Haziz; Boya, Bawa; Bade, Farid; Hounnou, Tryphose; Badoussi, Marius Eric; Adjatin, Arlette; Baba-Moussa, Lamine

doi:10.9734/ajob/2021/v13i430193

Cited by 4 publications

(10 citation statements)

References 14 publications

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“…The presence of metabolites was investigated directly on the plant powder. It is a qualitative analysis based on differential staining and precipitation reactions of the main groups of chemical compounds contained in the plant as described by Houghton and Raman [24] and used by Chabi-Sika et al [16].…”

Section: Phytochemical Screeningmentioning

confidence: 99%

“…The susceptibility of the microorganisms to the two extracts was performed using the Mueller Hinton (MH) solid media diffusion method, as previously described [16]. The sterile discs (Ø=6mm) containing 30 μl of each extract were deposited, under aseptic conditions, on previously inoculated microbial culture dishes.…”

Section: Sensitivity Testmentioning

confidence: 99%

“…In Benin in particular, medicinal plants are used in the composition of pharmacopoeia products. Various medicinal plants are used for their biological properties in the treatment of many infectious pathologies [16]. Among these medicinal plants we can mention Ageratum conyzoides, used in many purposes such as treatment of several infections (genital, urinary, skin, oral, viral and eye) [17].…”

Section: Introductionmentioning

confidence: 99%

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Ethnobotanical Survey and Some Biological Activities of Ageratum conyzoides Collected in Southern-Benin

Chabi-Sika

Sina²,

Boya³

et al. 2023

IJBcRR

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Aims: Ageratum conyzoides L. is a small annual herbaceous highly odorous plant use in traditional medicine. The aim of this study is to evaluate in vitro antioxidant potential, toxicity and antimicrobial activity of aerial part extracts of A. conyzoides on strains potentially involved in vaginal infections. Methodology: An ethnobotanical survey has been carried out on A. conyzoides among ethnobotanists and traditional therapists in fifteen markets in the communes of Abomey- Calavi, Cotonou, Zogbodomey, Bohicon and Abomey in Southern Benin. The phytochemical screening was a qualitative analysis based on staining and precipitation reactions. Antimicrobial activity of A. conyzoides aqueous and ethanolic extracts was evaluated on reference and clinical strains of Staphylococcus aureus, Candida albicans and Escherichia coli using micro dilutions method in wells from. The toxicity of A. conyzoides extracts was determine using Artemia salina larvae, whereas the antiradical activity was evaluated using the Ferric Reducing Antioxidant Power (FRAP) method. Results: The survey showed that the population of Southern-Benin uses A. conyzoides according to different modes of preparation. Also, the administration in the treatment of a variety of pathologies affecting the female reproductive system. The phytochemical screening revealed the presence of flavonoids, tannins, anthocyanins, triterpenes and C- heterosides. The yield of 6.18% for the aqueous extract and 4.32% for the ethanolic extract as recorded. The highest inhibition diameter (24.05 ± 0.5 mm) was obtained using aqueous extract against the clinical S. aureus strain. In contrast, the lowest inhibition diameter (10±0 mm) was obtained against the S. aureus ATCC29213 with the same extract. The Minimum Inhibitory Concentration varied from 2.5 to 5 mg/ml. Both extracts show a bactericidal and fungicidal effect on the different strains studied but the sensitivity of the strains to the aqueous extract is better compared to the ethanolic extract. In addition, the aqueous extracts showed higher antioxidant power compared to the ethanolic extract. No toxicity is revealed for both extracts. Conclusion: The results obtained show that the aqueous and ethanolic extracts of the aerial part of A. conyzoides have antioxidant and antimicrobial properties on strains involved in vaginal infections and do not present a toxicity.

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Section: Phytochemical Screeningmentioning

confidence: 99%

Section: Sensitivity Testmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ethnobotanical Survey and Some Biological Activities of Ageratum conyzoides Collected in Southern-Benin

Chabi-Sika

Sina²,

Boya³

et al. 2023

IJBcRR

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“…Ethanolic and aqueous extracts obtained according to a previously developed method [13] were used in this study. The choice of these types of extracts is based on the way the plant is traditionally used.…”

Section: Obtaining the Extractsmentioning

confidence: 99%

“…The in-vitro antibacterial activity of extracts was demonstrated by solid medium diffusion method with the use of Whatman N°1 paper as previously described by Chabi Sika et al [13]. Thus, a bacterial pre-culture (1 colony in 1 mL of liquid Mueller-Hinton) from the previous day is diluted to obtain turbidity of 0.5 on the Mc Farland scale ( 108 CFU/ml) and reduced to 10 6 CFU/ml in sterile distilled water.…”

Section: Sensitivity Testmentioning

confidence: 99%

Phytochemical Screening and Antimicrobial Activity of Sarcocephalus latifolius Smith Roots Extracts

Chabi-Sika

Sina

Boya

et al. 2022

BJI

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Aims: This work aims to evaluate the antimicrobial activity of Sarcocephalus latifolius extracts. Methodology: Thus, phytochemical screening was qualitatively accessed using colorations or precipitations methods. Ethanolic and aqueous extracts were used to evaluate the antimicrobial activity. The antimicrobial activity, using the diffusion method, was evaluated on eight strains including two reference strains (Streptococcus pneumoniae ATCC 49619 and Pseudomonas aeruginosa ATCC 27853) and six clinically isolated S. pneumoniae and P. aeruginosa strains. The minimum inhibitory concentrations (MIC) and minimum bactericidal concentrations (MBC) were determined by the microdilution method. Results: The phytochemical screening showed the presence of flavonoids, anthocyanins, mucilages, saponosides, C-heterosides and O-heterosides. Antimicrobial activity showed that the ethanolic extract with the lowest MIC (1.25 mg/ml) inhibited reference strains (S. pneumoniae ATCC 49619 and P. aeruginosa ATCC 27853) and clinical isolated S. pneumoniae and P. aeruginosa strains. The largest inhibition diameter (19± 1.33) was obtained with the ethanolic extract against clinical isolated Pseudomonas aeruginosa and (15.5± 1) against the reference one. The aqueous extract inhibited only reference strains. Conclusions: The data of this study indicate that the extracts of S. latifolius present antimicrobial properties. This may justify its traditional use in the treatment of microbial infections.

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Assessment of antimicrobial and anti-biofilm activities of lemongrass and bay leaf extracts on microorganisms from fermented cereal-based porridges in northern Benin

Karimou,

Salami,

Agossou

et al. 2024

Scientific African

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Richardia brasiliensis Collected in Southern-Benin: Phytochemical Screening, Antimicrobial Activity and Toxicity

Cited by 4 publications

References 14 publications

Ethnobotanical Survey and Some Biological Activities of Ageratum conyzoides Collected in Southern-Benin

Ethnobotanical Survey and Some Biological Activities of Ageratum conyzoides Collected in Southern-Benin

Phytochemical Screening and Antimicrobial Activity of Sarcocephalus latifolius Smith Roots Extracts

Assessment of antimicrobial and anti-biofilm activities of lemongrass and bay leaf extracts on microorganisms from fermented cereal-based porridges in northern Benin

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