نتایج جستجو برای: distillation using a clevenger
تعداد نتایج: 14087660 فیلتر نتایج به سال:
The objective of this study was to evaluate the antifungal activity of essential oil (EO) of Eucalyptus camaldulensis Dehnh. against five Fusarium spp. commonly associated with maize. The essential oil had been extracted by steam distillation in a modified Clevenger-type apparatus from leaves of E. camaldulensis and their chemical composition characterized by gas chromatography mass spectrometr...
The use of antibiotics in agriculture is limited when compared to their applications in human and veterinary medicine. On the other hand, the use of antimicrobials in agriculture contributes to the drug resistance of human pathogens and has stimulated the search for new antibiotics from natural products. Essential oils have been shown to exert several biological activities including antibacteri...
BACKGROUND Malaria and leishmaniasis are two most significant parasitic diseases which are endemic in Iran. Over the past decades, interest in botanical repellents has increased as a result of safety to human. The comparative efficacy of essential oils of two native plants, myrtle (Myrtus communis) and marigold (Calendula officinalis) collected from natural habitats at southern Iran was compare...
BACKGROUND Using special lotions and repellent sprays on skin is one of the effective methods to prevent Arthropods biting which was verified in this study. METHODS Essential oils of four plants (Satureja khuzestanica, Salvia sclarea, Lavendula officinalis and Myrtus communis) were separately extracted by Clevenger used hydro distillation method. Then separated solutions with 10%, 20% and 40%...
root-knot nematodes (meloidogyne spp.) are one of the most important plant parasitic nematodes which cause damage to crops. in recent years, using of medicinal plants has been considered to many scientists as effective methods for controlling nematodes. in this study, essential oils of ecalyptus spp., dorema ammoniacum and ferula galbanifula were tested against the root-knot nematode (meloidogy...
Background & Aim: Melissa officinalis L. (lemon balm) a valuable medicinal plant in herbal medicine is native to the eastern Mediterranean region and western Asia. It is a traditional herbal medicine, which enjoys contemporary usage as a mild sedative, spasmolytic and antibacterial agent. The objective of this study was to assess the effects of climate on quality and q...
background & aim: thyme is common named thymus vulgaris l. belongs to lamiaceae family. thyme is a most important medicinal plant that was used in pharmaceutical, food, cosmetics hygienic industries in most of developed countries. experimental: determine optimum of harvest time this plant was done in a random block design with three replications was conducted in field islamic azad universi...
Introduction: Melaleuca is a Myrtaceous genus of flowering plants about 290 species, distributed throughout Indonesia, Papua New Guinea, Australia, and Caledonia. Objective: To identify the chemical composition essential oils from leaves, twigs fruits M. quinquenervia cultivated as ornamental in Costa Rica. Methods: The were obtained through steam distillation process Clevenger type apparatus. ...
rosmarinus officinalis is one of the most important medicinal and aromatic plants around the world. essential oil as a weapon against biotic and abiotic stresses plays an important role in essential oil bearing plants. in this study the essential oil content and constituent of plants containing bacterium-gall on the shoots and crown was compared with non-contaminated plants. essential oil perce...
Introduction: The aim of this research was to determine the anxiolytic and antidepressant-like effects essential oils from Foeniculum vulgare aerial parts seeds. Methods: were extracted by hydro-distillation using a modified Clevenger-type apparatus chemical composition performed Gas chromatography with flame-ionization detection (GC-FID) chromatography-mass spectrometry (GC–MS). Furthermore, a...
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