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The α-Cyclodextrin/Moringin Complex: A New Promising Antimicrobial Agent against Staphylococcus aureus
Letizia Romeo1, Veronica Lanza Cariccio2, Renato Iori3
1IRCCS Centro Neurolesi "Bonino-Pulejo", Via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy. letizia.romeo@hotmail.it.
Molecules (Basel, Switzerland)
|August 24, 2018
Summary
Moringin (MOR) complexed with alpha-cyclodextrin (α-CD) shows antimicrobial activity against Staphylococcus aureus. This MOR/α-CD complex is effective against antibiotic-resistant strains, offering a potential new therapeutic strategy.
Area of Science:
- Pharmacology
- Microbiology
- Natural Products Chemistry
Background:
- Antimicrobial resistance (AMR) is a significant global health threat, necessitating novel therapeutic agents.
- Moringin (MOR), derived from Moringa oleifera seeds, presents a potential alternative to conventional antibiotics due to its isothiocyanate structure.
Purpose of the Study:
- To evaluate the antimicrobial efficacy of moringin conjugated with alpha-cyclodextrin (MOR/α-CD).
- To assess the potential of MOR/α-CD as a therapeutic agent against antibiotic-resistant bacteria, specifically Staphylococcus aureus.
Main Methods:
- Preparation and characterization of MOR/α-CD complex.
- Determination of minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) against S. aureus reference strains.
- Evaluation of MOR/α-CD activity against erythromycin-induced clindamycin-resistant S. aureus (erm(A) gene).
Main Results:
- MOR/α-CD demonstrated significant antimicrobial activity against S. aureus reference strains.
- MIC was determined to be 0.5 mg/mL and MBC was 1 mg/mL, indicating bacteriostatic and bactericidal effects.
- MOR/α-CD exhibited bactericidal activity against a clindamycin-resistant S. aureus strain (ATCC BAA-977).
Conclusions:
- MOR/α-CD possesses notable antimicrobial properties against S. aureus.
- The complex shows promise as a potential therapeutic agent for combating strains with clindamycin-resistance phenotypes.
- Further research into MOR/α-CD could lead to new strategies against challenging bacterial infections.
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