a comparative study was made between the acaricidal activities of some essential oils: rosemary (rosmarinus officinalis l.), lavandula (lavandula angustifolia mill.), thyme (thymus vulgaris l.) and ziziphora (ziziphora clinopodioides lam.) on the important mite pest, tetranychus cinnabarinus boisduval, the carmine spider mite, oncut roses during 2010-2012. the sublethal concentrations of ziziph...

Rosmarinic acid (RA), an ester of caffeic acid and 3,4-dihydrophenyllactic acid (Figure 1), is a naturally occurring phenylpropanoid that is commonly found in species of the Boraginaceae family, the subfamily Nepetoideae of the Lamiaceae family, and in lower plants such as ferns and hornworts (Petersen and Simmonds, 2003). RA was first isolated and purified in 1958 from Rosmarinus officinalis b...

Salvia officinalis L. (Lamiaceae) is a perennial woody shrub, cultivated in the Mediterranean countries, mainly to obtain dried leaves used as raw material in medicine, perfumery and food industry. The aim of this paper is to compare the antioxidant properties and the chemical composition of essentials oils obtain by two extraction process: the hydrodistillation and the supercritical carbon dio...

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...

This study explores the use of a photoionization detector (PID) to distinguish varieties rosemary plant, based on their volatile organic compound (VOC) emissions. The aim was be able plant using simple, quick, and inexpensive method. Two were studied, Rosmarinus officinalis L. “Prostratus” “Erectus”. First, PID used detect VOCs emitted by leaves from each variety, subsequently essential oil ext...

the aim of the present research was to study the effect of different concentrations of rosemary (rosmarinus officinalis l.) extract, (0, 10, 12.5, 16.6, 25 and 50) mg/l added to semen extender, on sperm qualitative and quantitative parameters after freezing-thawing process of rooster sperm. 10 ross strain rooster were used. semen samples were collected, 2 times a week. after adding the samples ...

this experiment was conducted to evaluate the effects using of different levels of rosemary hydro-alcoholic extract (rosmarinus officinalis l.) on productive performance and egg quality indicators, in laying hens. the levels of rosemary hydro-alcoholic extract in this experiment were 0, 500, 1000 and 1500ppm. this experiment was conducted in a blok completely randomized design with 160 “hy-line...

this research was carried out to assess the effect of drought stress on head branch dry weight, photosynthesis, essential oil yield and radical scavenging of rosemary (rosmarinus officinalis l.) in islamic azad university, shoushtar branch, iran during 2010-2011.the experiments were carried out using complete randomized block design with four replications and drought stress levels included cont...

in this research, fumigation efficiency, repellency and persistence of citrus essential oils extracted from dried peels of orange, bitter orange and mandarin (cultivars: satsuma, page, clemantin) were investigated against adults of confused flour beetle tribolium confusum duval. the essential oils were extracted by using clevenger apparatus. 40 ml glass container as bioassay chamber and filter ...