background: satureja sahandica is a perennial plant of the family lamiaceae and an aromatic plant of iran flora with its essential oil components used in culinary, medicinal, and perfume industries. objective: to identify components of s. sahandica planted in qazvin condition. methods: aerial parts of s. sahandica were collected from a research farm (qazvin agriculture and natural resources res...

background & aim: staphylococcus aureus is one of the bacterial pathogens and the most important factor in hospitalized infections in human community. this bacterium is becoming resistance to chemical drugs quickly. lots of countries are trying to find new compositions as a suitable replacement for these antibiotics. the aim of this study was antibacterial activity and chemical composition ...

Thymus daenensis is a medicinal plant endemic to semi-arid regions of Iran. A field experiment using a randomized complete block design with four replications was conducted to evaluate the effect of 20, 50 and 80% soil water depletion on morpho-physiological traits, essential oil content and composition and water use efficiency of T. daenensis during 2010-2011. Water stress reduced growth, ...

  Background: Oliveria decumbens Vent. is an endemic plant of Flora Iranica that grows in high temperature areas of south and west of Iran. It is used for indigestion, diarrhea, abdominal pain and fever in traditional medicine.   Objective: In this investigation, chemical composition and antimicrobial effects of Oliveria decumbens has been studied.   Methods: The essential oil of aerial parts o...

this study was designed to examine bioactive compounds of the thyme-enriched corn oil and to determine the antioxidant activity of its methanolic extract. volatile compounds composition was investigated by gas chromatography-mass spectrometry (gc-ms), whereas phenolic compounds analysis was performed by reversed-phase high-performance liquid chromatography (rp-hplc). antioxidant activities of t...

b a ckground: the efficacy of essential oil of chenopodium ambrosioides flowering aerial parts and its three main active ingredients was evaluated against blattella germanica male adults. m e t hods: composition of essential oil was determined by gc-ms. topical application bioassay was used to evalu- ate contact toxicity of essential oil and three main components. fumigant toxicity of essential...

the leaves of four cultivated eucalyptus species, eucalyptus microtheca var. microtheca f. muell., eucalyptus spathulata, eucalyptus largiflorens and eucalyptus torquata were collected in spring from kashan and isfahan provinces (central region of iran). after drying the plant materials in shade, their essential oils were obtained by hydro-distillation. the oils were analyzed by capillary gas c...