نتایج جستجو برای: essential oils distillation hypericum androsaemum
تعداد نتایج: 384396 فیلتر نتایج به سال:
tomato fusarium wilt, caused by fusarium oxysporum f. sp. lycopersici (fol), is one of the most important diseases of tomato in iran and in the whole world. recently, in order to reduce hazardous effects of chemical pesticides, these days, attempts have been made to use safer methods for controlling plant pathogens. therefore, using antifungal plant materials has been highly regarded during pas...
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 effi- cacy of essential oils of two native plants, myrtle ( myrtus communis ) and marigold ( calendula officinalis ) collected from natural habitats at southern iran was ...
To investigate the chemical composition and insecticidal activity of the essential oils of certain Chinese medicinal herbs and spices, the essential oils were extracted from the stem barks, leaves, and fruits of Cinnamomum camphora (L.) Presl, which were found to possess strong fumigant toxicity against Tribolium castaneum and Lasioderma serricorne adults. The essential oils of the plants were ...
the essential oils obtained by hydrodistillation (hd), steam distillation (sd) and solvent free microwave extraction (sfme) from the stems and flowers of tanacetum tenuisectum (boiss.) podl., which is endemic to iran,were analyzed by gc and gc/ms.camphor (26.9 %, 27.2% and 25.5%), borneol (12.6%, 11.5% and 7.6%) and 1, 8-cineole (7.9%, 13.2% and 11.3%) were the main constituents of the hd, sd a...
BACKGROUND The plants belonging to the Ocimum genus of the Lamiaceae family are considered to be a rich source of essential oils which have expressed biological activity and use in different area of human activity. There is a great variety of chemotypes within the same basil species. Essential oils from three different cultivars of basil, O. basilicum var. purpureum, O. basilicum var. thyrsiflo...
The objective of this study was to determine the chemical composition and antibacterial activity of essential oils (EOs) of Tagetes minuta against three phytopathogenic bacteria Pseudomonas savastanoi pv. phaseolicola, Xanthomonas axonopodis pv. phaseoli, and Xanthomonas axonopodis pv. manihotis. The essential oils were extracted using steam distillation method in a modified Clevenger-type appa...
Background & Aim: Essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. Essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. Experimental: Essential oil are obtained by several isolation methods, such as hydrodistillation (HD...
objective: origanum vulgare l. is rarely cultivated in iran but it is the only species of the origanum genus growing wild in this country. o.vulgare l. is widely spread all over the country. in this study, parameters of content, composition and antioxidant activity of the essential oils of domestic and wild iranian oregano populations were compared with one another. materials and methods: the ...
Essential oils are considered as very complex natural mixtures containing numerous components at quite various concentrations. Lythrum salicaria has not been previously subjected to examination of its volatile oil. The present study was carried out to evaluate the essential oil composition of the flowering aerial parts of the plant by using conventionally hydro-distillation (HD) and microwave a...
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%...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید