background: ferula gummosa boiss. is a medicinal and economical plant belonging to apiaceae family. it is a native herb of iran and is in serious danger of extinction. objective: gamma irradiation is an environmental stress and can consider as a new tool to change the content of secondary metabolites in medicinal plants. the effect of gamma irradiation on phenolic content and radical scavenging...

OBJECTIVES The usage of medicinal plants as natural antimicrobial agents has grown in many fields including dental medicine. The aim of this in vitro study was three-fold: (i) to determine the chemical compositions of the Ferula gummosa essential oil (FGEO), (ii) to compare the antimicrobial efficacy of the oil with sodium hypochlorite (NaOCl) and chlorhexidine (CHX), (iii) to assess the toxic ...

Abstract Solid-phase microextraction (SPME) is an analytical method for of analytes, in which the analytes bind to sorbent on surface SPME fiber. Many types chemical agents are used as sorbent; however, many these sorbents cause secondary contamination or not cost-effective. Here, aqueous extract Ferula gummosa was evaluated potential source simultaneous morphine and codeine. For this purpose, ...

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...

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...