The purpose of this study was to examine the effect of single and repeated oral administration of the aqueous extract of Spergularia purpurea (SP) at a dose of 10mg/kg in normal and streptozotocin-induced diabetic rats. In normal rats, the aqueous extract of SP induced a significant decrease of the plasma cholesterol concentrations 6h after a single oral administration (P<0.05) and 2 weeks after repeated oral administration (P<0.05). The plasma triglycerides levels increased significantly 6h after a single oral administration (P<0.05) and decreased 2 weeks after repeated oral administration (P<0.05). In diabetic rats, SP treatment caused a significant decrease of plasma cholesterol levels after a single (P<0.01) and repeated (P<0.01) oral administration. A significant increase of triglycerides levels was observed 6h after a single oral administration of the SP aqueous extract (P<0.01). One week after repeated oral administration of SP aqueous extract, the plasma triglycerides levels were significantly decreased (P<0.005) and still dropped after 2 weeks (P<0.01). On the other hand, the repeated oral administration of SP aqueous extract caused a significant decrease of body weight after 2 weeks of treatment in both normal (P<0.001) and diabetic (P<0.01) rats. We conclude that the aqueous extract of SP exhibits a cholesterol and body weight-lowering activities in both normal and severe hyperglycaemic rats.
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http://dx.doi.org/10.1016/s0378-8741(03)00102-8 | DOI Listing |
Proc Natl Acad Sci U S A
January 2025
Department of Chemistry, University of California, Berkeley, CA 94720.
Combining Deep-UV second harmonic generation spectroscopy with molecular simulations, we confirm and quantify the specific adsorption of guanidinium cations to the air-water interface. Using a Langmuir analysis of measurements at multiple concentrations, we extract the Gibbs free energy of adsorption, finding it larger than typical thermal energies. Molecular simulations clarify the role of polarizability in tuning the thermodynamics of adsorption, and establish the preferential parallel alignment of guanidinium at the air-water interface.
View Article and Find Full Text PDFNanomaterials (Basel)
January 2025
King Abdullah Institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.
We aimed to synthesize silver nanoparticles (AgNPs) using (cardamom) extracts and assess the cytotoxicity and genotoxicity of the cardamom extract, -AgNPs, and the insecticide ATCBRA-commonly used for pest control-on the root system of (broad bean). The chemical composition of the aqueous cardamom extract was identified and quantified using GC-MS, revealing a variety of bioactive compounds also present in cardamom essential oil. These included α-terpinyl acetate (21.
View Article and Find Full Text PDFEndocr Metab Immune Disord Drug Targets
January 2025
DDR Research Clinic, Caserta, Italy.
Background: Curcumin is a polyphenolic compound derived from the food spice turmeric that has received interest from the medical and scientific world for its role in the management of several conditions. Clinical studies, in humans, have shown that ingested Curcumin is safe even at high doses (12 g/day), but it has poor bioavailability primarily due to poor absorption and rapid metabolism and elimination. Several strategies have been implemented to improve the bioavailability of Curcumin, for example, the combination of piperine in a complex with Curcumin, or the usage of formulations with phospholipid or liposomal complexes.
View Article and Find Full Text PDFJ Complement Integr Med
January 2025
PKFokam Institute of Excellence, Yaoundé, Cameroon.
Objectives: Hochst, belonging to the family, is known for its ethnomedicinal values, particularly in treating various diseases in Africa. This study aimed to investigate the antibacterial, antioxidant, and cytotoxic properties of stem bark extracts, with a specific focus on assessing their bioactive potential and identifying active compounds via TLC bioautography.
Methods: The antimicrobial activity was assessed using the agar well diffusion method against selected clinical strains.
Sci Rep
January 2025
Department of Ophthalmology, Inselspital, Bern University Hospital, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.
To describe the management and clinical course of 12 cases of pseudophakic aqueous misdirection syndrome (AMS). Twelve eyes of 12 Patients diagnosed with pseudophakic AMS between 2021 and 2022 were included. Best-corrected visual acuity, refraction, intraocular pressure (IOP), anti-glaucomatous medication, spectral domain ocular coherence tomography (SD-OCT) and postoperative complications were evaluated.
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