Related Experiment Video
Updated: May 29, 2026

The Adjuvant Efficacy of Angong Niuhuang Pill in the Treatment of Viral Encephalitis: A Meta-Analysis of Randomized Controlled Trials
Published on: April 19, 2024
Neutralizing effects of Nectandra angustifolia extracts against Bothrops neuwiedi snake venom
Ana M Torres1, Francisco J Camargo, Gabriela A L Ricciardi
1Laboratorio Dr. Gustavo A. Fester, Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Nordeste, Av. Libertad 5470, (3400), Corrientes, Argentina.
Abstract:
Leaves extracts and essential oil of Nectandra angustifolia were explored for the first time for neutralization of Bothrops neuwiedi diporus snake venom. The ethanol extract was the most active and inhibited both venom activities (hemolytic and coagulant), while the oil was only active on the coagulant activity. These observations confirmed that certain medicinal plants from Corrientes and Chaco Provinces possess significant snake venom neutralizing capacity and need further examination for their active constituents. Analysis by GC and GC-MS of the essential oil and the enantiomeric excess found for alpha-pinene, beta-pinene and limonene allowed a better characterization of this species.
More Related Videos
07:49Measuring Changes in Tactile Sensitivity in the Hind Paw of Mice Using an Electronic von Frey Apparatus
Published on: December 19, 2013
10:31A Liposome Membrane Permeability Assay for Investigating the Effects of Phosphatidylinositol Phosphate Groups on Membranotropic Action of Venom PLA2
Published on: September 26, 2025
Related Concept Videos
Nondepolarizing (Competitive) Neuromuscular Blockers: Mechanism of Action
Competitive antagonists prevent acetylcholine from binding to its receptor, inhibiting membrane depolarization. Without conformational changes or intrinsic...
Chemotherapy-Induced Nausea and Vomiting: Neurokinin-1 Receptor Antagonists
Directly Acting Muscle Relaxants: Dantrolene and Botulinum Toxin
The binding of dantrolene to the RYR1...
Antidotes
Specific antidotes operate by inhibiting the enzymes that control biochemical pathways, reducing the production of harmful metabolites.
An example of an antidote is atropine, which counteracts the detrimental effects of cholinesterase inhibitors. It achieves this by deactivating muscarinic receptors,...
Physical Properties of Amines
Antianginal Drugs: Nitrates and β-Blockers
Organic nitrates, such as nitroglycerin, play a pivotal role. Once metabolized, they liberate nitric oxide, a molecular marvel. Nitric oxide triggers guanylyl cyclase and augments cGMP production. This biochemical cascade orchestrates the relaxation of vascular smooth muscles, ushering in vasodilation and enhancing coronary blood flow. Administered...