نتایج جستجو برای: distillation using a clevenger
تعداد نتایج: 14087660 فیلتر نتایج به سال:
Introduction: Plants are a rich source of phenolic compounds that as natural antioxidants prevent oxidative stress and are very good for health. Ziziphora clinopodioides belongs to Lamiaceae family and its aerial parts are used in pharmaceutical and food industries. It is effective in the treatment of heart disorders, cold, depression, diarrhea, coughing, migraine and...
The essential oil and methanol extract of the fruit Zanthoxylum armatum DC were extracted by hydro-distillation in Clevenger apparatus cold percolation technique respectively their chemical biological studies performed. compositions analyzed GC-MS analysis. most abundant ingredient was Linalool (75.31%) followed E-methyl cinnamate (11.73%) limonene (9.45%). nature functional groups present perf...
Essential oils from 23 species of plants comprising 14 genera and 4 plant families were obtained by Clevenger-type water distillation. The major compounds in these essential oils were identified with GC-MS and their insecticidal activity against adult turnip aphids, Lipaphis pseudobrassicae (Davis), tested with dosage-mortality bioassays. We examined mortality only for viviparous adults because...
background: satureja sahandica is a perennial plant of the family lamiaceae and an aromatic plant of iran flora with its essential oil components used in culinary, medicinal, and perfume industries. objective: to identify components of s. sahandica planted in qazvin condition. methods: aerial parts of s. sahandica were collected from a research farm (qazvin agriculture and natural resources res...
Introduction: The objective of this investigation was to evaluate the effect Rosmarinus officinalis essential oil on anxiety, depression, and sleep quality. Methods: oils were extracted by hydro-distillation using a modified Clevenger-type apparatus chemical composition performed Gas chromatography with flame ionization detection (GC-FID) mass spectrometry (GC–MS). Furthermore, quasi-experiment...
the aim of this study is investigating the effect of teaching “metacognitive strategies” on the way which scientific information retrieval workes by the using of google scholar searching machine on the students of ms in the psycology & education faculty of allameh tabatabayi university in 2007-2008 academic year. the statistical community was the students of ms in psychology & education facult...
sagebrush genus (artemisia scoparia) is the one of the most important genus of asteraceae family. it has numerous values because of medicine properties. sagebrush genus has numerous application in traditional medicine from ancient times. in this research, the isolation and identification of essential oil and antibacterial activity of artemisia scoparia have been studied. samples were collected ...
background & aim: secondary metabolites with bioactive and functional properties in essence of aromatic plants can be useful for improvement of quality and persistence of food as natural preservative. the aim of this study was to evaluate the in vitro antibacterial of essential oils of some of the medicinal plants collected from chaharmahal va bakhtiari province, iran. experimental: the e...
The Piper betle (Tamil: vetrilai) is a glabrous climbing vine belonging to the family Piperaceae . Essential oil from vellaikodi variety of Piper betle L leaves (Piperaceae) was extracted by hydro-distillation method in a clevenger type apparatus. The essential oil thus obtained was analyzed by gas chromatography and gas chromatography – mass spectroscopy. Sixty five components were identified ...
b a ckground: using special lotions and repellent sprays on skin is one of the effective methods to prevent arthropods biting which was verified in this study. m e t hods: 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%...
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