background and objectives: pseudomonas aeruginosa is a gram-negative, aerobic bacterium found in water and soil. it is a normal flora in skin and gastrointestinal tract of human beings. p. aeruginosa as an opportunistic pathogen involved in nosocomial infections having multiple pathogenic factors and shows high rate of resistance to different antibiotics. the aim of this study was to identify t...

introduction: oxidative degradation of lipids is a major factor limiting the shelf life of foods. the free radical reaction of lipid peroxidation is generally responsible for the deterioration of fatty foods. in general, use of synthetic antioxidants during the manufacturing process are applied to prevent fat oxidative and rancidity while their carcinogenic effects have been approved. since the...

Quantitative N,N,N',N'-tetramethyl-p-phenylenediamine (TMPD) oxidase and superoxide dismutase (SOD) analyses were performed on representative organisms of the family Azotobacteraceae. Azotobacter vinelandii, Azotobacter chroococcum, Azotobacter paspali, and Derxia gummosa exhibited high quantitative TMPD oxidase activities, and their extracts possessed very active and electrophoretically homoge...

Galbanic acid, a sesquiterpene coumarin from Ferula szowitsiana roots, was investigated for its potentiating effect on the antimicrobial activity of antibiotics as well as ethidium bromide, in 6 multidrug resistance (MDR) clinical isolates of Staphylococcus aureus. Galbanic acid had inhibitory effect on none of the isolated bacteria tested (up to 800 μg /ml). The MIC range of ciprofloxacin, tet...

Renal cell carcinoma (RCC) is one of most fatal cancers. In most patients It is resistant to chemotherapy. Ferula gummosa gum, Scutellaria lindbergii, Kelussia odoratissima and Artemisia kopetdaghensis are herbs that there are some cytotoxic activity reports about them. In this study cytotoxic and apoptotic activity of these four extracts on RCC cell line (ACHN) were evaluated and compared.ACHN...

Renal cell carcinoma (RCC) is one of most fatal cancers. In most patients It is resistant to chemotherapy. Ferula gummosa gum, Scutellaria lindbergii, Kelussia odoratissima and Artemisia kopetdaghensis are herbs that there are some cytotoxic activity reports about them. In this study cytotoxic and apoptotic activity of these four extracts on RCC cell line (ACHN) were evaluated and compared.ACHN...