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Synergistic antimicrobial activity of essential oils mixture of Moringa oleifera, Cinnamomum verum and Nigella sativa against Staphylococcus aureus using L-optimal mixture design.
AMB Express
January 2025
Department of Agriculture Economics, Faculty of Agriculture, Ain Shams University, Cairo, 11241, Egypt.
The urgent need to address the growing problem of antimicrobial resistance in multidrug-resistant bacteria requires the development of pioneering approaches to treatment. The present study aims to evaluate the antimicrobial potential of the essential oils (EOs) of Moringa oleifera (moringa), Cinnamomum verum (cinnamon), and Nigella sativa (black seed) and the synergistic effect of the mixture of these oils against Staphylococcus aureus MCC 1351. Statistical modeling revealed cinnamon oil had the highest individual antimicrobial potency, followed by black seed oil.
View Article and Find Full Text PDFEnvironmentally-friendly rGO/Mn nanocomposites for efficient removal of tetracycline and its degradation pathway.
J Environ Manage
January 2025
Fujian Province Key Laboratory of Pollution Control and Resource Reuse, College of Environmental and Resource Science, Fujian Normal University, Fuzhou, 350007, Fujian Province, China. Electronic address:
Since the widespread use of antibiotics, the residues of antibiotics have frequently been detected in various water sources, making antibiotic pollution an urgent environmental issue. In this paper, one-step green synthetic reduced graphene/manganese nanoparticles (rGO/Mn NPs) composites have been utilized as a novel environmentally-friendly catalyst for tetracycline (TC) removal. The results demonstrated that rGO/Mn NPs exhibit excellent adsorption performance for TC, and can efficiently activate sodium persulfate (PDS) to oxidize and degrade TC.
View Article and Find Full Text PDFPotent antibacterial and cytotoxic bioactive compounds from endophytic fungi Diaporthe sp. associated with Salacia intermedia.
Arch Microbiol
January 2025
Research Center for Pharmaceutical Ingredients and Traditional Medicine, National Research and Innovation Agency (BRIN), KST B.J. Habibie, Serpong, South Tangerang, 15314, Indonesia.
Antibacterial screening of endophytic fungi from Salacia intermedia identified Diaporthe longicolla as a potent strain exhibiting good activity against multidrug-resistant Staphylococcus aureus and Pseudomonas aeruginosa, with an MIC of 39.1 µg/mL. Scale-up fermentation and chromatographic purification of this strain yielded three known compounds, which were cytochalasin J (1), cytochalasin H (2), and dicerandrol C (3), as identified by liquid chromatography - high mass resolution mass spectrometry (LC-HRMS) and nuclear magnetic resonance (NMR) spectroscopy.
View Article and Find Full Text PDFPhase I trial comparing bile acid and short-chain fatty acid alterations in stool collected from human subjects treated with omadacycline or vancomycin.
Antimicrob Agents Chemother
January 2025
Department of Pharmacy Practice and Translational Research, University of Houston College of Pharmacy, Houston, Texas, USA.
Unlabelled: Omadacycline, an aminomethylcycline tetracycline, has a low propensity to cause infection (CDI) in clinical trials. Omadacycline exhibited a reduced bactericidal effect compared with vancomycin on key microorganisms implicated in bile acid homeostasis and short-chain fatty acids (SCFAs), key components of CDI pathogenesis. The purpose of this study was to assess bile acid and SCFA changes in stool samples from healthy volunteers given omadacycline or vancomycin.
View Article and Find Full Text PDFResidual antibiotics in milk samples: Assessing the risk and prevalence in Bangladesh.
Heliyon
January 2025
Institute of Nutrition and Food Science, University of Dhaka, Dhaka, Bangladesh.
The study aimed to analyze five commonly used veterinary antibiotics: tetracycline (TC), oxytetracycline (OTC), doxycycline (DOX), chlortetracycline (CTC), and enrofloxacin (ENR) in different types of milk samples, risk estimation, and to investigate the correlation between the presence of multiple antibiotic residues. About 27 milk samples, such as raw milk from collection centers, processed milk from processing plants, pasteurized, UHT, and flavored milk from retail stores, were examined using RP-HPLC against five veterinary antibiotics in Dhaka, Bangladesh. The correlation between antibiotics was analyzed using Pearson's correlation test.
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