background and aims: one of the most common chronic diseases in the world is tooth decay. a variety of bacteria are involved in this disorder of which streptococcus mutants is the most common. essential oils are considered as new natural compounds for use in combating drug-resistant bacteria. this study was aimed to evaluate the antibacterial activity of some essential oils prepared from eucaly...

in the present work, the bioassay screening of the essential oil and various extracts of two plants including fruits of heracleum persicum desf. and rhizomes of zingiber officinale rosc. have been studied with brine shrimp test. there is only one report about cytotoxicity of h. sphondylium in literature and so h. persicum has been used as second selection. at first essentials oil and various ex...

The essential oil of Lippia alba is reported as an antifungal against human pathogenic microorganisms but few articles report its use as an alternative to synthetic fungicides on green mould control. The objective of this study was to determine chemical characteristics of L. alba essential oil and its antifungal activity against green molds as an alternative to synthetic fungicides. Essential o...

Essential oil from Gaultheria procumbens is mainly composed of methylsalicylate (MeSA) (>96%), a compound which can be metabolized in plant tissues to salicylic acid, a phytohormone inducing plant immunity against microbial pathogens. The potential use of G. procumbens essential oil as a biocontrol agent was evaluated on the model plant Arabidopsis thaliana. Expression of a selection of defense...

In order to evaluate the effect of different biological and organic fertilizers on essential oil content of sweet fennel (Foeniculum vulgare Mill), an experiment was conducted at Research field of Faculty of Agriculture, Shahrood University of Technology in 2010. The experiment was conducted in a completely randomized block design with 11 treatments and three replications. The experimental trea...

conclusions the results of the present study show a favorable inhibitory effect of artemisias spicigera essential oil on fungal growth, especially aspergillus species. according to the results, antifungal components of artemisias spicigera in different forms are used to prevent fungal pollution. materials and methods two types of media dichloran 18% glycerol (dg18) agar and dichloran rosebengal...