background there is an interest in finding new and safe antioxidants from natural sources such as medicinal plants. objectives the aim of this study was to evaluate the antioxidant activity of ten iranian medicinal plants extracts. materials and methods for antioxidant activity, the radical scavenging activity, reducing power and phenolic contents of ethanol plant extracts were determined. gall...

no doubt, damage and losses inflicted by callosobruchus maculatus to stored products in general and chickpea in particular can be significant. the objective of this work was to evaluate the effect of the verbascum sinuatum powder on c. maculatus oviposition behavior in chickpea under laboratory conditions (30 °c, 60% relative humidity). powder of mullein plant (v. sinuatum) caused reduction in ...

The article contains new information about the locations of rare and spreading species flowering plants in Western Siberia Southern Ural (Kurgan Region, Chelyabinsk Tomsk Republic Altai). Among them, four (Bidens frondosa L., Lappula intermedia (Ledeb.) Popov, Melica altissima Verbascum lychnitis L.) are reported as for three (Aquilegia vulgaris Dianthus barbatus Lepidium sativumL.) Altai, two ...

The lyophilized venom of the spider Paracoelotes birulai (Araneidae: Amaurobiidae) has been analyzed. A no. of acylpolyamines were found and sepd. By online coupled high-performance liq. chromatog. and atm.-pressure chem.-ionization mass spectrometry, the structures of the three most abundant compds. PB 490 (N-(16-guanidino-4-hydroxy-4,8,12-triazahexadecyl)-2-(4-hydroxyindol-3-yl)acetamide), PB...

A 12-year-old girl presented with a history of scattered, pruritic papules and vesicles every summer for the last 5 years. The dermatitis appeared on exposed areas of her skin, and her father associated contact with plants at a camp with the eruption. She had a personal history of eczema, and in the past had had positive prick test reactions to commonallergens, but shewas free of rhinitis sympt...