Triterpenoids of antibacterial extracts from the leaves of Bersama abyssinica Fresen (Francoaceae)
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Danielle Sinkam Gozo
Abstract
Phytochemical screening of the three extracts (acetone, ethanol and methanol) from Bersama abyssinica leaves revealed the presence of triterpenes, phenolic compounds and coumarins. The evaluation of the total phenolic content was achieved using the method of Folin–Ciocalteu allowed us to say that the acetone extract has the highest content of 41.73 mg EAG/g EX. Fractionation of this extract led to the isolation of two triterpenoids, namely ursolic acid (compound BE1) and its glucoside (compound BE2). Evaluation of antibacterial activity was carried out on three bacterial strains: Escherichia coli, Staphylococcus aureus and Clostridium perfringens using the method of diffusion in a solid medium. Results indicated that the three strains were sensitive to all extracts. Three strains were sensitive to the BE1 and two strains (E. coli and S. aureus) to the BE2. These results may justify the traditional use of parts of B. abyssinica in the treatment of some intestinal diseases.
Acknowledgements
Our thanks go to the head of the Laboratory of Microbiology and Food Biotechnology of the National Advanced School of Agro-Industrial Sciences (ENSAI), University of Ngaoundere, Cameroon.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: None declared.
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Articles in the same Issue
- Frontmatter
- Reviews
- Modern analytical approach in biopolymer characterization
- Development of nanocellulose fiber reinforced starch biopolymer composites: a review
- Recent developments in sago starch thermoplastic bio-composites
- Mechanical degradation of sugar palm crystalline nanocellulose reinforced thermoplastic sugar palm starch (TPS)/poly (lactic acid) (PLA) blend bionanocomposites in aqueous environments
- Computational design of the novel building blocks for the metal-organic frameworks based on the organic ligand protected Cu4 cluster
- Highly functional nanocellulose-reinforced thermoplastic starch-based nanocomposites
- Spectral peak areas do not vary according to spectral averaging scheme used in functional MRS experiments at 3 T with interleaved visual stimulation
- Triterpenoids of antibacterial extracts from the leaves of Bersama abyssinica Fresen (Francoaceae)
- Immediate effects of atrazine application on soil organic carbon and selected macronutrients and amelioration by sawdust biochar pretreatment
- Process configuration of combined ozonolysis and anaerobic digestion for wastewater treatment
- Concentration levels and risk assessment of organochlorine and organophosphate pesticide residue in selected cereals and legumes sold in Anambra State, south-eastern Nigeria
- XRD and cytotoxicity assay of submitted nanomaterial industrial samples in the Philippines
- Comparative study of the photocatalytic degradation of tetracycline under visible light irradiation using Bi24O31Br11-anchored carbonaceous and silicates catalyst support
- Xanthoangelol, geranilated chalcone compound, isolation from pudau leaves (Artocarpus kemando Miq.) as antibacterial and anticancer
- Barley thermoplastic starch nanocomposite films reinforced with nanocellulose
- Integration of chemo- and bio-catalysis to intensify bioprocesses
- Fabrication of starch-based packaging materials
- Potato thermoplastic starch nanocomposite films reinforced with nanocellulose
- Review on sago thermoplastic starch composite films reinforced with nanocellulose
- Wheat thermoplastic starch composite films reinforced with nanocellulose
- Synergistic effect in bimetallic gold catalysts: recent trends and prospects
- Simultaneous removal of methylene blue, copper Cu(II), and cadmium Cd(II) from synthetic wastewater using fennel-based adsorbents
- The investigation of the physical properties of an electrical porcelain insulator manufactured from locally sourced materials
- Concentration evaluation and risk assessment of pesticide residues in selected vegetables sold in major markets of Port Harcourt South-South Nigeria
- Detection of iodine in aqueous extract of plants through modified Mohr’s method
- Exploration of bioactive compounds from Mangifera indica (Mango) as probable inhibitors of thymidylate synthase and nuclear factor kappa-B (NF-Κb) in colorectal cancer management
- A new sphingoid derivative from Acacia hockii De Wild (Fabaceae) with antimicrobial and insecticidal properties
- Protection of wood against bio-attack and research of new effective and environmental friendly fungicides
- Computational investigation of Arbutus serratifolia Salisb molecules as new potential SARS-CoV-2 inhibitors
- Exploring the solvation of water molecules around radioactive elements in nuclear waste water treatment
Articles in the same Issue
- Frontmatter
- Reviews
- Modern analytical approach in biopolymer characterization
- Development of nanocellulose fiber reinforced starch biopolymer composites: a review
- Recent developments in sago starch thermoplastic bio-composites
- Mechanical degradation of sugar palm crystalline nanocellulose reinforced thermoplastic sugar palm starch (TPS)/poly (lactic acid) (PLA) blend bionanocomposites in aqueous environments
- Computational design of the novel building blocks for the metal-organic frameworks based on the organic ligand protected Cu4 cluster
- Highly functional nanocellulose-reinforced thermoplastic starch-based nanocomposites
- Spectral peak areas do not vary according to spectral averaging scheme used in functional MRS experiments at 3 T with interleaved visual stimulation
- Triterpenoids of antibacterial extracts from the leaves of Bersama abyssinica Fresen (Francoaceae)
- Immediate effects of atrazine application on soil organic carbon and selected macronutrients and amelioration by sawdust biochar pretreatment
- Process configuration of combined ozonolysis and anaerobic digestion for wastewater treatment
- Concentration levels and risk assessment of organochlorine and organophosphate pesticide residue in selected cereals and legumes sold in Anambra State, south-eastern Nigeria
- XRD and cytotoxicity assay of submitted nanomaterial industrial samples in the Philippines
- Comparative study of the photocatalytic degradation of tetracycline under visible light irradiation using Bi24O31Br11-anchored carbonaceous and silicates catalyst support
- Xanthoangelol, geranilated chalcone compound, isolation from pudau leaves (Artocarpus kemando Miq.) as antibacterial and anticancer
- Barley thermoplastic starch nanocomposite films reinforced with nanocellulose
- Integration of chemo- and bio-catalysis to intensify bioprocesses
- Fabrication of starch-based packaging materials
- Potato thermoplastic starch nanocomposite films reinforced with nanocellulose
- Review on sago thermoplastic starch composite films reinforced with nanocellulose
- Wheat thermoplastic starch composite films reinforced with nanocellulose
- Synergistic effect in bimetallic gold catalysts: recent trends and prospects
- Simultaneous removal of methylene blue, copper Cu(II), and cadmium Cd(II) from synthetic wastewater using fennel-based adsorbents
- The investigation of the physical properties of an electrical porcelain insulator manufactured from locally sourced materials
- Concentration evaluation and risk assessment of pesticide residues in selected vegetables sold in major markets of Port Harcourt South-South Nigeria
- Detection of iodine in aqueous extract of plants through modified Mohr’s method
- Exploration of bioactive compounds from Mangifera indica (Mango) as probable inhibitors of thymidylate synthase and nuclear factor kappa-B (NF-Κb) in colorectal cancer management
- A new sphingoid derivative from Acacia hockii De Wild (Fabaceae) with antimicrobial and insecticidal properties
- Protection of wood against bio-attack and research of new effective and environmental friendly fungicides
- Computational investigation of Arbutus serratifolia Salisb molecules as new potential SARS-CoV-2 inhibitors
- Exploring the solvation of water molecules around radioactive elements in nuclear waste water treatment
