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Filename: drivers/Session_files_driver.php
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Background And Aims: Alternative therapy for Helicobacter pylori eradication from natural products is gaining much attention. This study sought to isolate and characterize the fraction responsible for the antibacterial activity in Goldcrest (GC) n-hexane extract.
Methods: Thin-layer chromatography (TLC) of the extract was carried out on Silica gel plates to determine the presence of chemical compounds, which were separated and partially purified by column chromatography. The obtained fractions GCCL, GCF2, GCF3 and GCF4 were tested for anti-H. pylori activity using the broth microdilution method. Volatile compounds in the active fractions were identified by gas chromatography-mass spectrometry (GC-MS) analysis. MINITAB was used for statistical analysis at 95% confidence interval.
Results: The best antibacterial activity was exhibited by GCF3 (5 mg/mL), which was composed of many compounds with known antimicrobial and antioxidant properties. A total of 16 volatile compounds were identified from fractions GCF2, GCF3 and GCF4 into the following families; alcohol, ketone, aliphatic acid, benzene compound, hydrocarbon, furan and pyran derivatives.
Conclusions: The demonstration of antibacterial activity by the column fractions of GC n-hexane extract may provide new lead molecules that could serve as selective agents for H. pylori chemotherapy and control.
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http://dx.doi.org/10.1016/j.arcmed.2012.04.006 | DOI Listing |
Vet Anim Sci
March 2025
Research Institute of Organic Agriculture (FiBL), Ackerstrasse 113, 5070, Frick, Switzerland.
Herbs rich in secondary metabolites may possess beneficial properties in livestock nutrition and health. 49 Polygonaceae species of European mountain regions were included in a qualitative systematic review based on the methodological framework of the PRISMA statement. 174 relevant publications were identified.
View Article and Find Full Text PDFFront Immunol
December 2024
Department of Experimental Medicine, University of Rome "Tor Vergata", Rome, Italy.
Introduction: Fungi, including , may be a trigger or exacerbate psoriasis, especially in difficult to treat (DTT) areas, through the activation of IL-17/23 axis.
Methods: In this study, seventy patients with DDT psoriasis were enrolled to evaluate species and/or other opportunistic fungi colonization rate at baseline (T0) and the impact of apremilast on fungal load, clinical outcome, serum cytokine levels and biochemical serum profile of patients after 16, 24 and 52 weeks of treatment.
Results: In our population, 33 (47%) patients were colonized by spp.
Front Chem
December 2024
Chemistry Department, NanoStruc Research Group, Faculty of Science, Helwan University, Cairo, Egypt.
Introduction: This study investigates the synthesis of silver nanoparticles (Ag NPs) using Helianthemum lippii extract and evaluates their photoprotective, anti-hemolytic, antibacterial, and anti-inflammatory properties compared to various extract fractions, including total aqueous extract (AE), flavonoid monoglycosides (FMG), flavonoid diglycosides/triglycosides (FDG/FTG), tannins (TN), and anthocyanins (AC). Helianthemum lippii is rich in bioactive compounds such as caffeic acid, p-coumaric acid, and gallic acid, known for their therapeutic potential. This study aims to determine whether embedding these phytochemicals into Ag NPs enhances their biomedical applications compared to the natural extract fractions.
View Article and Find Full Text PDFHeliyon
December 2024
Department of Biochemistry and Molecular Biology, Rajshahi University, Rajshahi, 6205, Bangladesh.
Global efforts have been made to address environmental and health concerns by promoting and adopting renewable natural resources. This study investigated the role of bagasse-based wood vinegar to synthesize and stabilize silver nanoparticles. We present a simple bottom-up approach to produce silver nanoparticles using the green reducing agent.
View Article and Find Full Text PDFJ Biomed Mater Res A
January 2025
Institute for Fiber Engineering and Science (IFES), Interdisciplinary Cluster for Cutting Edge Research (ICCER), Shinshu University, Ueda, Japan.
This study aimed to develop polyvinyl alcohol (PVA) and kappa-carrageenan (κCA) biocomposite films using a Pickering emulsion technique for wound care applications. Juniper essential oil and modified sepiolite were incorporated to enhance functionality, with films prepared via solvent casting and characterized for structural, thermal, and mechanical properties. The PCOS-2 film exhibited the highest mechanical performance, with Young's modulus of 6.
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