Abstract. Bioassay-guided fractionation of extracts from Fructus Gardeniae led to analysis of its bioactive natural products. After infection by influenza virus strain A/FM/1/47-MA in vivo, antiviral activity of the extracts were investigated.The target fraction was orally administered to rats and blood was collected. Activity guided fractionation of pomegranate extract and its antioxidant, antidiabetic and antineurodegenerative properties Article (PDF Available) in Industrial Crops and Products 113:142-149 Acids and Bases. General Formula ACID + BASE H2O + SALT A salt is an ionic compound Comparing Acids to Bases . Naming and Writing Formulas Acids A compound that contains one or more hydrogen atoms and produces hydrogen ions (H+) when dissolved in water Acids consist of an anion and as many H+ as are necessary to make the atom electrically neutral. Many investigations into the structure and function of cells and tissues require the isolation of a particular membrane or subcellular component (organelle). This book covers all the necessary aspects, from breaking up the cells (homogenization), via a variety of separation techniques (the isolation and fractionation chapters), to characterization of the separated organelles. Medicinal plants for the treatment of "nervios", anxiety, and depression in Mexican Traditional Medicine The methanol extract was subjected to a bioassay-guided fractionation, which afforded a rich flavonoid mixture with anxiolytic activity, Un Saber en Integracion, ENEP Zaragoza Prof. Ramzi A. Mothana studied pharmacy at Greifswald-University in Germany and graduated in 1995 and did the PhD at the same University in 1999 in the field of Pharmacognosy-Phytochemsitry. He Bioassay-guided fractionation. A typical protocol to isolate a pure chemical agent from natural origin is, step-by-step separation of extracted components based on differences in their bioassay-guided fractionation physicochemical properties, and assessing the biolog