Red flour beetle, Tribolium castaneum Herbst (Coleoptera: Tenebrionidae) is one of the major insect pests stored grains. Due to export legislation and zero-tolerance for live insects in trade commodities, extensive use synthetic insecticides practice eliminate pest infestations from lots. Currently, only acceptable chemical be used grain phosphine but due its excessive usage, are becomin...

Neurological effects of Valeriana officinalis have been recognized for many years. In this study, the anticonvulsant activity of methanolic extract of the plant were investigated in mice. Picrotoxin with doses of 6 and 12.5 mg/kg were used for induction of seizures. The effects of different doses of methanolic extract of the plant on the variation of beginning time of seizures, the incidence of...

The effects of two valerian extracts (aqueous and hydroalcoholic) were investigated through [(3)H]Glutamate ([(3)H]Glu) and [(3)H]Fluorowillardine ([(3)H]FW) receptor binding assays using rat synaptic membranes in presence of different receptor ligands. In addition, the extract stability was monitored spectrophotometrically. Both extracts demonstrated interaction with ionotropic glutamate recep...