phytochemicals are good sources of natural antioxidants and have beneficial effects on human health. many of phenolic phytochemicals have shown antimicrobial and antifungal activity. anise hyssop ( agastache foeniculum [pursh] kuntze ) is a perennial aromatic plant of the lamiaceae family with antimicrobial and antifungal properties and useful for gastrointestinal problems. in this investigatio...

microwave-assisted hydrodistillation (mahd) method has been compared with hydrodistillation (hd) conventional technique for extraction of essential oil from achillea millefolium. microwave-assisted hydrodistillation were examined at three levels of microwave powers (300, 500, and 700 w) .   obtained results show that   mahd offers important advantages over hd in terms of energy savings and extr...

The phenolic antioxidants 2,6-ditertiary-butyl paracresol (DBPC) (also known as butylated hydroxytoluene (BHT)) and 2,6-ditertiary-butyl phenol (DBP) are the two most common oxidation inhibitors added to the electrical insulating (transformer) oil and mineral oil based lubricants. The typical recommended value of DBPC and DBP in fresh electrical insulating oil is approximately 0.3% by weight. T...

BACKGROUND Essential oils are used in perfumery and in products for aromatherapy or balneotherapy. Previous studies have shown some to be important contact sensitizers. A practical diagnostic approach, based on the results of a large, central European network and other evidence, is needed. METHODS Data of the Information Network of Departments of Dermatology (IVDK; www.ivdk.org) on all patien...

turmeric is an important herb used as medicines, turmeric is an important herb used as medicine, condiment and cosmetic. its main active compounds are curcuminoids and essential oils. the biomass production, essential oil composition and curcuminoid content of curcuma longa are known to be dependent on the growth and development conditions of rhizome. iran is a major importer of turmeric in the...

essential oils and their components are becoming increasingly popular as naturally occurring antimicrobial agents. in this work the chemical composition and antimicrobial activity of ferula gumosa essential oils were determined. the essential oil components were identified by gc/ms analysis. the minimum inhibitory concentration (mic) of essential oil against five selected pathogenic microorgani...

a bstract background: labor is a stressful situation that may have an adverse impact. aromatherapy is a method to control anxiety and stress of women. this study was conducted to investigate the effect of aromatherapy using essential oil of orange on women’s anxiety during labor.   materials and methods: in this clinical trial study, 100 women during labor were randomly assigned to two groups: ...