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Mouffok A, Boublia A, Bellouche D, Zed SD, Tabhirt N, Alam M, Ernst B, Benguerba Y. Investigating the synergistic effects of apple vinegar and deep eutectic solvent as natural antibiotics: an experimental and COSMO-RS analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-22. [PMID: 38965904 DOI: 10.1080/09603123.2024.2370391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 06/17/2024] [Indexed: 07/06/2024]
Abstract
The present investigation examines the antimicrobial and antifungal characteristics of natural deep eutectic solvents (NADES) and apple vinegar in relation to a diverse array of bacterial and fungal strains. The clinical bacterial strains, including gram-negative and gram-positive, and the fungal pathogen Candida albicans, were subjected to solid medium diffusion to determine the inhibitory effects of these compounds. The results show that NADES has superior antimicrobial and antifungal action compared to apple vinegar. The observed inhibitory zones for apple vinegar and NADES varied in length from 16.5 to 24.2 and 16 to 52.5 mm, respectively. The results obtained indicate that no synergy is observed for this mixture (50% AV + 50% NADES). The range of values for bactericidal concentrations (MBC) and minimal inhibitory concentrations (MIC) was 0.0125 to 0.2 and 0.0125 to 0.4 µl/ml, respectively. Antibacterial and antifungal chemicals may be found in apple vinegar and NADES, with NADES offering environmentally safe substitutes for traditional antibiotics. Additional investigation is suggested to refine these compounds for a wide range of bacteria, which could create antimicrobial solutions that are both highly effective and specifically targeted, thereby offering extensive potential in medicine and the environment.
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Affiliation(s)
- Abdenacer Mouffok
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Abir Boublia
- Laboratoire de Physico-Chimie des Hauts Polymères (LPCHP), Département de Génie des Procédés, Faculté de Technologie, Université Ferhat ABBAS Sétif-1, Sétif, Algeria
| | - Djedjiga Bellouche
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Siadj Dounia Zed
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Narimen Tabhirt
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Manawwer Alam
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Yacine Benguerba
- Laboratoire de Biopharmacie Et Pharmacotechnie (LPBT), Ferhat ABBAS University of Setif, Setif, Algeria
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Kim P, Weeraratna C, Nemšák S, Dias N, Lemmens AK, Wilson KR, Ahmed M. Interfacial Nanostructure and Hydrogen Bond Networks of Choline Chloride and Glycerol Mixtures Probed with X-ray and Vibrational Spectroscopies. J Phys Chem Lett 2024; 15:3002-3010. [PMID: 38457923 DOI: 10.1021/acs.jpclett.4c00052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2024]
Abstract
The molecular distribution at the liquid-vapor interface and evolution of the hydrogen bond interactions in mixtures of glycerol and choline chloride are investigated using X-ray photoelectron spectroscopy (XPS) and Raman spectroscopy. Nanoscale depth profiles of supersaturated deep eutectic solvent (DES) mixtures up to ∼2 nm measured by ambient-pressure XPS show the enhancement of choline cation (Ch+) concentration by a factor of 2 at the liquid-vapor interface compared to the bulk. In addition, Raman spectral analysis of a wide range of DES mixtures reveals the conversion of gauche-conformer Ch+ into the anti-conformer in relatively lower ChCl concentrations. Finally, the depletion of Ch+ from the interface (probing depth = 0.4 nm) is demonstrated by aerosol-based velocity map imaging XPS measurements of glyceline and water mixtures. The nanostructure of liquid-vapor interfaces and structural rearrangement by hydration can provide critical insight into the molecular origin of the deep eutectic behavior and gas-capturing application of DESs.
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Affiliation(s)
- Pyeongeun Kim
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Chaya Weeraratna
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Slavomír Nemšák
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Physics and Astronomy, University of California Davis, Davis, California 95616, United States
| | - Nureshan Dias
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Alexander K Lemmens
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Kevin R Wilson
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Musahid Ahmed
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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Liquid structure of a water-based, hydrophobic and natural deep eutectic solvent: the case of thymol-water. A Molecular Dynamics study. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.121151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Chai K, Lu X, Zhou Y, Liu H, Wang G, Jing Z, Zhu F, Han L. Hydrogen bonds in aqueous choline chloride solutions by DFT calculations and X-ray scattering. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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