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...

background & aim: the lamiaceae family is one of the largest and most distinctive families of flowering plants, with about 220 genera and almost 4000 species worldwide. the genus stachys is one of the largest representative genera of the lamiaceae family and includes about 300 species, in the subtropical and tropical regions of both hemispheres. in iran this genus is represented by 34 speci...

background & aim: myrtle (myrtus communis l.), is an important medicinal plant that is used for pharmacological uses and conservation of environments (for example preventing the soil erosion) regards to its specific condition habitat.experimental: in this research, phytochemical variations of the essential oils from different populations of myrtle collected from fars (saydan, cheshme-ali, a...

(1) Background: Natural antioxidants are health products found in many plants and may have a therapeutic effect on various diseases caused by oxidative stress. The purpose of this research is the antioxidant analysis some kefir samples enriched with volatile oils extracted from three aromatic plants; (2) Methods: were lavender, fennel mint. Four made: encapsulated lavender oil, mint oil control...

intoduction essential oils (eos) are important aromatic components of herbs and spices which are complex mixtures of secondary plant metabolites consisting of low-boiling-phenylpropenes and terpenes. their biological activities have been known and utilized since ancient times in perfumery, food preservation, flavoring, and medicine. some of their biological activities include antibacterial, ant...

Background/Aim. Although essential oil-containing mouth rinses have some advantages, it is not well-known what effects they on the bond strength of universal resin adhesives system to enamel. The aim study was evaluate effect rinse enamel adhesive system. Methods. ninety-six bovine incisors were used. teeth divided into four different groups according control group and 3 rinses: Group I (Contro...