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Chemical characterization of Eucalyptus (Eucalyptus globulus) leaf essential oil and evaluation of its antifungal, antibacterial and antioxidant activities.
Cell Mol Biol (Noisy-le-grand)
January 2025
Laboratory of Cellular Toxicology, Faculty of Science, Department of Biology, Badji Mokhtar University, Annaba, Algeria.
This study investigates the chemical composition of the essential oil (EO) extracted by hydrodistillation from dry Eucalyptus leaves (Eucalyptus globulus) and its antifungal, antibacterial and antioxidant potential. The Eucalyptus leaves were harvested in the commune of Seraïdi (north-eastern Algeria). Chemical analysis carried out by chromatography coupled with mass spectrophotometry (GC-SM) revealed the presence of 20 molecules representing approximately 100% of the overall component, with a yield of 1.
View Article and Find Full Text PDFAn investigation of antiproliferative and antioxidant properties of crude extracts from Sedum nicaeense All. (Crassulaceae).
Pak J Pharm Sci
January 2025
Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan.
This study evaluated the antioxidant and antiproliferative effects of aqueous, ethanolic and methanolic extracts of Sedum nicaeense flowers and leaves. The MTT assay assessed cytotoxicity against colorectal cancer cells (Caco-2, HCT-116), breast cancer cells (T47D, MCF-7) and normal fibroblasts (MRC-5), while the ferric-reducing antioxidant power (FRAP) assay measured antioxidant capacity. Essential oils from flowers and leaves were analyzed using gas chromatography-mass spectrometry (GC-MS).
View Article and Find Full Text PDFAnalysis of Chemical Components of Penicillium chrysogenum Crude Extract Using Liquid Chromatography Coupled With Q-Exactive Orbitrap Mass Spectrometry Combined With GNPS Molecular Networking.
Rapid Commun Mass Spectrom
April 2025
School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin, Tianjin, China.
A Chinese isolate of the fungus Penicillium chrysogenum was analyzed using liquid chromatography coupled with Q-Exactive Orbitrap mass spectrometry combined with Global Natural Products Social Networking (GNPS) on culture condition leading to the rapid identification of 20 secondary metabolites. Among them are eight polyketones, two phthalides, six diketopiperazine alkaloids, and others. A meleagrine network was examined and proposed as a promising candidate for new natural products.
View Article and Find Full Text PDFMetabolomic Analysis of Patients With Patent Foramen Ovale and Migraine Using Liquid Chromatography-Mass Spectrometry Technology.
Rapid Commun Mass Spectrom
March 2025
Department of Cardiology, Xinjiang Traditional Chinese Medicine Hospital, Xinjiang, China.
Objective: This study aims to examine the changes in metabolic profiles in patients with patent foramen ovale (PFO) and migraine, as well as in patients with isolated migraine, before and after surgical intervention using metabolomics.
Methods: Patients were categorized into four groups: the simple migraine (SM) group, the PFO with migraine preoperative group (PRE), the PFO with migraine postoperative Day 3 group (POST_3d), and the PFO with migraine postoperative Day 30 group (POST_30d). Untargeted metabolomics using liquid chromatography-mass spectrometry (LC-MS) were employed to identify differential metabolites across these groups.
Multiclass Steroid Profiling in Short-Finned Pilot Whale Blubber Using Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).
Rapid Commun Mass Spectrom
March 2025
Chemical Sciences Division, National Institute of Standards and Technology, Charleston, South Carolina, USA.
Rationale: Wildlife scientists are quantifying steroid hormones in a growing number of tissues and employing novel methods that must undergo validation before application. This study tested the accuracy and precision of liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods for use on blubber samples from short-finned pilot whales (Globicephala macrorhynchus). We expanded upon a method for corticosteroid quantification by adding analytes and optimizing internal standard (IS) application.
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