Essential Oils and Aromatic Plants -

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Résumé :
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Sommaire:
Quantitative aspects of flavour analysis by equilibrium and dynamic headspace gas chromatography with capillary columns.- Quantitative headspace gas chromatography in the analysis of volatile oils and aromatic plants.- Concentration of odorous headspace volatiles.- Sensory evaluation of flavour and fragrance compounds after headspace sampling, capillary chromatography and thermal conductivity detection.- GLC of the headspace after concentration on Tenax GC and of the essential oils of apples, fresh celery, fresh lovage, honeysuckle and ginger powder.- Headspace technique as a versatile complementary tool to increase knowledge about constituents of domestic or exotic flowers and fruits.- Handling, quick optimization and choice of column wall material in capillary gas chromatography.- Gas Chromatographic characterization of frequently occurring sesquiterpenes in essential oils.- Progress in isolation techniques for essential oil constituents.- The influence of isolation conditions on the composition of essential oils containing linalool and linalyl acetate.- Determination of the enantiomeric composition of natural flavouring agents by 1H-NMR spectroscopy.- Determination of the enantiomeric composition of synthetic flavouring agents by 1H-NMR spectroscopy.- Constituents of the essential oil of Salvia stenophylla - first identification of (+)-epi-?-bisabolol in nature.- GC-MS analysis of the essential oil of Meriandra benghalensis.- Essential oils of Israeli wild species of Labiatae.- Studies on the composition of essential oils of 'cineolic eucalyptus'.- Biology and essential oil of Humulus lupulus var. neomexicanus.- Sesquiterpenes and other volatile metabolites from liquid cultures of ceratocystis populina (Ascomycota) - Essential oil compounds from fungi.- Effect of drying and freeze-drying on the aroma of dill - Anethum graveolens CV mammut.- Differences in the yield of plant material, essential oils and their main components during the life cycle of Origanum vulgare L..- Comparative studies on growth and volatile oil contents of some induced mutants of Origanum majorana.- Formation of essential oil in clary sage under different conditions.- Influence of ecological factors on the content and composition of the essential oil in Salvia officinalis.- Composition of the essential oil of Origanum majorana grown in different localities in Turkey.- Composition and antimicrobial activity of the essential oil of Ducrosia anethifolia.- Effects and side-effects of essential oils.- Arzneipflanzen im Spiegel niederl?ndischer Malerei.