Background and objectives: Plant essential oils are sometimes considered for use as antimicrobial agents in foods and medicines and they could be combined with other antimicrobial agents to strengthen the effect and/or reduce the required dose. This study was conducted to determine the chemical composition of the Ocimum basilicum, Salvia officinalis and Trachyspermum ammi essential oils and eva...

Background and objectives: Antibiotics resistance and unpleasant side effects of AChE inhibitors have led to an increased interest in herbs as potential sources. Ferula aucheri (Syn: Dorema aucheri) an indigenous species of Ferula (Apiaceae) grows in Iran and is used as food and medicinal plant. The present study was aimed to identify the oil composit...

The use of natural products with curative aims is a common practice in any culture worldwide. It is mainly due to the activity of some extracts that they contain (terpens, essential oils, coumarines, flavonoids, etc.). The main aim of this chapter is to describe the techniques that allow evaluating the antimicrobial activity of plants extracts and their essential oils against bacteria and fungi...

In this study, Penicillium digitatum, the causes of green mould disease of orange fruits, were isolated from infected fruit in Bam city. Antifungal activity of three different plant essential oils Eucalyptus camaldulensis, Zataria multiflora, Myrtus communis at 50, 100, 150 and 200 ppm concentration, have been evaluated. MIC (minimum inhibitory concentration) and growth inhibi...

Plectranthus is one of the most representative genera of Lamiaceae family. In this study, the essential oils from Plectranthus amboinicus, Plectranthus ornatus, and Plectranthus barbatus were investigated for their chemical composition and antimicrobial and modulatory activities. The major components found were carvacrol (54.4%-P. amboinicus) and eugenol (22.9%-P. ornatus e 25.1%-P. barbatus). ...

BACKGROUND Since ancient times, various infectious diseases have been treated using herbal drugs. Today, efforts regarding the discovery of the effectual components of plants possessing antimicrobial properties are advanced. Herbal essential oils are widely used for treatment of various diseases, and they play an important role in health care considerations. METHODS The antibacterial activity...

The essential oils of Phyllostachys heterocycla cv. Pubescens, Phyllostachys heterocycla cv. Gracilis, Phyllostachys heterocycla cv. Heterocycla and Phyllostachys kwangsiensis leaves were obtained by steam distillation. Their chemical components were separated and identified by gas chromatography/mass spectrometry (GC/MS). Meanwhile, the effect of scavenging free radicals of essential oil was a...

Background: Pulicaria gnaphalodes, Ducrosia anethifolia, Trachyspermum copticum, Foeniculum vulgare Mill and Majorana hortensis Minch are widely used as herbal plants in traditional medicine and they have been reported to have a variety of therapeutic effects. This study was carried out to evaluate the antimicrobial effects of essential oils (EOs) extracted from these medicinal herbs against si...

the essential oils of branchlets and fruits of juniperus excelsa subsp. excelsa and juniperus excelsa subsp. polycarpos were examined for their antioxidant activity. the compositions of the essential oils were studied by gc and gc-ms. to evaluation the antioxidants activity of the volatile oils, pure components and positive controls at different concentrations, thin-layer chromatography (tlc) s...