essential oils and their components are becoming increasingly popular as naturally occurring antimicrobial agents. in this work the chemical composition and antimicrobial activity of ferula gumosa essential oils were determined. the essential oil components were identified by gc/ms analysis. the minimum inhibitory concentration (mic) of essential oil against five selected pathogenic microorgani...

a bstract background: labor is a stressful situation that may have an adverse impact. aromatherapy is a method to control anxiety and stress of women. this study was conducted to investigate the effect of aromatherapy using essential oil of orange on women’s anxiety during labor.   materials and methods: in this clinical trial study, 100 women during labor were randomly assigned to two groups: ...

background & aim: salvia hydrangea is one of the medicinal plants belonging to lamiaceae family. medicinal plants can be marketed as fresh or dried products; however aromatic plants are often dried before extraction to reduce moisture content. the aim of this study was to evaluate the impact of different drying methods on qualitative and quantitative changes in essential oil of sage. experiment...

b a ckground: using special lotions and repellent sprays on skin is one of the effective methods to prevent arthropods biting which was verified in this study. m e t hods: essential oils of four plants ( satureja khuzestanica, salvia sclarea , lavendula officinalis and myrtus communis ) were separately extracted by clevenger used hydro distillation method. then separated solutions with 10%, 20%...

chemical composition of the essential oils extracted from the leaves, stems, flowers and seeds of  heracleum rechingeri manden. were analyzed by gc and gc/ms. twenty-four components were characterized for the leaf oil with octyl acetate(47.2%), octanol(15.2%) and e-caryophyllen (5.7%) as the main constituents. 25 compounds were identified in the stem oil with elemicin (65.3%), octyl acetate (13...

evaluation of essential oil yield, morphological and phenological traits of seven populations of twochamomilespecies )matricaria aurea and m. recutita), were carried out using randomized completely blocks design (rcbd) in three replications in alborz research station in karaj, iran during 2011-2012. data were collected for 12 morphological and phenological traits. analysis of variance showed si...

plant essential oils are natural products extracted from plants and because of their antimicrobial properties can be used as natural additives in foods. they are also useful for decontamination of food-borne pathogens and can be a safe additive in foods. the antimicrobial activities of essential oils belonging to saturiea hortensis, thymus vulgaris, mentha polegium, cuminum cyminum, lavandula o...

the objective of the present study was to investigate the effect of different doses of some 7 natural semi-arid medicinal plants’ essential oils on in vitro ruminal digestion and fermentation patterns of a mid-forage (alfalfa hay: concentrates, 1:1) diet. treatments consisted of either basal diet alone (control) or added with 35, 70, 140 or 280 µl l-1 of coriander, oregano, caraway, cumin, cinn...

in order to study the influence of compost and biofertilizer on yield and essential oil of dill (anethum graveolens l.), an experiment was conducted as factorial experiment in the base of randomized complete blocks design with eight treatments and three replications at research field of agriculture company of ran in firouzkuh of iran in 2012. the factors were compost in four levels (0, 5, 10 an...

the essential oils of zataria multiflora (labiatae) from four regions of iran were investigated by glc and gc-ms methods. the main constituents were carvacrol, thymol, linalool and p-cymene. the percentage of the constituents (in dry and wet plant) of different regions have been compared. antibacterial and antifungal effects of these essential oils have been studied. the essential oil with high...