This study was conducted to evaluate the phytochemical contents and antimalarial properties of the oils extracted from the leaves of Malaysian Plectranthus amboinicus in mice infected with Plasmodium berghei. The essential oils were extracted and prepared by using steam distillation technique and subjected to phytochemical screening by using GC-MS. Antimalarial activity of different extract dos...

The seeds of three Eucalyptus species (Myrtaceae) (Origin: Australia), including:, Eucalyptus loxophleba Benth., Eucalyptus microtheca F.Muell.  and Eucalyptus largiflorens F.Muell. were cultivated in 1993-1994 at two research stations (Shushtar and Dezful) in Khuzistan province (western south region of Iran) and a research station (Kashan) in Isfahan province (Central region of Iran). These sp...

Background: The genus Thymus is a perennial and aromatic plant and belongs to Lamiaceae family. The essential oils of these plants are used for the treatment of mouth and throat mucosal inflammation, catarrh and respiratory disorders and as antioxidant and antiseptic. Objective: The purpose of this study was to compare chemical composition of the essential oils derived from aromatic waters of ...

background and objectives : doogh is an iranian preferred dairy drink, especially in warm seasons. blowing by yeasts is a common occurring spoilage when this product is kept outside the refrigerator in warm temperature. natural additives such as herbal essential oils, which also induce the desired flavor and color, may solve this problem and retard yeast growth. spearmint, pennyroyal and some o...

Background: Klebsiella pneumoniae is one of the most important bacteria that cause nosocomial infections. This opportunistic pathogen has a high potential for antibiotic resistance and can generate a thick layer of biofilm. Nowadays, antibiotic resistant strains are emerging and widely spreading worldwide. Thus, it is necessary to combat drug-resistant strains through the use of novel drugs (su...

We developed wine formulations containing plant essential oils and oil compounds effective against foodborne pathogenic bacteria Escherichia coli O157:H7 and Salmonella enterica. HPLC was used to determine maximum solubility of antimicrobials in wines as well as amounts of antimicrobials extracted by wines from commercial oregano and thyme leaves. Activity of essential oils (cinnamon, lemongras...

 Background: The rice weevil, Sitophilus oryzae and rice moth, Corcyra cephalonica are major and cosmopolitan insect. Adults of S. oryzae (male and female) and both larvae are insatiable feeders on a great variety of grains. Objective: This study was conducted to estimate the insecticidal effect of essential oils from peppermint, Mentha piperita L. and black pepper, Piper nigrum L. ag...

many food products are perishable by nature and require protection from spoilage during their preparation, storage and distribution to give them desired shelf-life. because food products are now often sold in areas of the world far distant from their production sites, the need for extended safe shelf-life for these products has also expanded. currently, there is a strong debate about the safety...