نتایج جستجو برای: oils volatile

تعداد نتایج: 62581  

2012
Chantana Aromdee

Many herbal medicines pertain characteristic odour which indicates the volatility of some compositions. Most of the volatiles constituents have low molecular weight, typically, monoterpenes, sesquiterpenes and phenylpropanes and their oxygenated derivatives (Harnone, 1998). Some herbs contain high content of volatile oils from which the oil themseleves are used as drugs, for example eucalyptus ...

Journal: :Natural product communications 2014
Charles Santhanaraju Vairappan Thilahgavani Nagappan Julius Kulip

The essential oil composition of six species of wild Cinnamomum found in Borneo was investigated. The oils were obtained from bark by hydrodistillation and the volatile chemical profile was obtained via Gas Chromatography-Mass Spectrometry (GCMS). A total of 65 volatile constituents were identified, where the essential oils of the studied specimens contained high contents of oxygenated monoterp...

آنی, محسن, صفری, محمدرضا, عسگری, صدیقه, نادری, غلامعلی,

          For several years , scientists tried to find antioxidant compounds that    inhibit the low density lipoprotein(LDL) oxidation reaction but have no    destructive effects. Vitamin C and vitamin E can inhibit LDL oxidation.    Volatile oils posses herbal sources and because of lipophilic properties can &nbs...

2012
Amar Zellagui Noueddine Gherraf Salah Rhouati

UNLABELLED BACKGROUND The biological importance of members of genus Ferula promoted us to investigate the leaves of Ferula vesceritensis Coss et Dur. (endemic plant) previously not investigated. This study presents the chemical composition and antibacterial activities of the hydrodistilled oils. RESULTS Volatile components of the leaves of F. vesceritensis have been studied by gas chromato...

Journal: :Scientific American 1881

Journal: :Molecules 2017
Lourdes García-Vico Angjelina Belaj Araceli Sánchez-Ortiz José M Martínez-Rivas Ana G Pérez Carlos Sanz

Virgin olive oil (VOO) is the only food product requiring official sensory analysis to be classified in commercial categories, in which the evaluation of the aroma plays a very important role. The selection of parents, with the aim of obtaining new cultivars with improved oil aroma, is of paramount importance in olive breeding programs. We have assessed the volatile fraction by headspace-solid-...

Journal: :NIPPON KAGAKU KAISHI 1935

2014
Diana Obistioiu Romeo T Cristina Ivo Schmerold Remigius Chizzola Klaus Stolze Ileana Nichita Viorica Chiurciu

BACKGROUND A large number of essential oils is reported to have significant activity against Candida albicans. But the different chemical composition influences the degree of their activity. The intention of this study was to investigate the chemical composition and the activity against Candida albicans of volatile oils obtained from Artemisia dracunculus, A. abrotanum, A. absinthium and A. vul...

Journal: :Archives of disease in childhood 1953
J O CRAIG

The volatile oils play an important part in accidental poisoning in childhood, as can be seen from the figures quoted in a recent review (Craig and Fraser, 1953). The purpose of the present paper is to draw attention to the dangers of this form of poisoning, on which the recent literature is scanty, to suggest measures for its treatment and control, and to consider any points which may be appli...

1998
R.N Yadava Deepak Barsainya

The percentage composition and antimicrobial activity of the essential oil obtained from the flowers of Anisomeles indica (L) are described in this paper.

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