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Showing 1-30 of 35 results for "64643" within Papers
Mohammad Moradi et al.
Phytochemical analysis : PCA, 23(4), 379-386 (2011-11-10)
Headspace solid-phase microextraction (HS-SPME) and headspace single-drop microextraction (HS-SDME) methods have never been used for the extraction and analysis of the volatile compounds of Myrtus communis. For that reason, in this work, these two techniques were compared with the traditional
H T Skiri et al.
The Journal of experimental biology, 208(Pt 4), 787-796 (2005-02-08)
The importance of olfactory learning in host plant selection is well demonstrated in insects, including the heliothine moths. In the present study olfactory conditioning of the proboscis extension response was performed to determine the moths' ability to learn and discriminate
Akbar Esmaeili et al.
Chemistry Central journal, 5, 26-26 (2011-05-26)
Dihydrolinalool and terpineol are sources of fragrances that provide a unique volatile terpenoid alcohol of low toxicity and thus are widely used in the perfumery industry, in folk medicine, and in aromatherapy. They are important chemical constituents of the essential
Daekyun Kim et al.
The journal of physical chemistry. A, 115(4), 500-506 (2010-12-21)
The rate constants for the gas-phase reactions of hydroxyl radicals and ozone with the biogenic hydrocarbons β-ocimene, β-myrcene, and α- and β-farnesene were measured using the relative rate technique over the temperature ranges 313-423 (for OH) and 298-318 K (for
Dejun Hao et al.
Se pu = Chinese journal of chromatography, 24(2), 185-187 (2006-07-13)
Volatile oils in leaves of three cypress species were extracted by hydrodistillation method and analyzed by gas chromatography/mass spectrometry. Sixty-four constituents were separated and identified. The majority of the components were found to be monoterpenes and sesquiterpenes. There were 33
Mohammad Bagher Hassanpouraghdam
Natural product research, 25(6), 634-639 (2011-03-17)
Cupressus arizonica Greene is an aromatic evergreen coniferous plant with great importance in urban horticulture and in the pharmaceutical and fragrance industries. The hydrodistilled volatile fruit oil of cultivated C. arizonica from northwest Iran was analysed by GC/MS. Forty-three components
Bénédicta G H Kpadonou Kpoviessi et al.
Journal of ethnopharmacology, 155(3), 1417-1423 (2014-07-25)
Different parts of Ocimum gratissimum Linn are largely used in folk medicine for the treatment of many diseases, some of which related to parasitical infections as fevers and headaches. In order to validate their use and to clarify the plant
M Sidharthan et al.
Journal of environmental biology, 28(1), 39-43 (2007-08-28)
Screening of test chemicals or formulations for antifouling (AF) activity is important to get first hand information on their nontoxic repelling activities. Especially spores of a fouling alga, Ulva pertusa were used in this study to test the AF efficiency
Johannes Stökl et al.
Proceedings. Biological sciences, 278(1709), 1216-1222 (2010-10-15)
Most insects are dependent on chemical communication for activities such as mate finding or host location. Several plants, and especially orchids, mimic insect semiochemicals to attract insects for unrewarded pollination. Here, we present a new case of pheromone mimicry found
Seon-Mi Seo et al.
Pesticide biochemistry and physiology, 113, 55-61 (2014-07-24)
This study investigated the fumigant toxicity of 4 Asteraceae plant essential oils and their constituents against the Japanese termite Reticulitermes speratus Kolbe. Fumigant toxicity varied with plant essential oils or constituents, exposure time, and concentration. Among the tested essential oils
Wagner A Bernardes et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 65(9-10), 588-593 (2010-12-09)
The essential oil of Rosmarinus officinalis L. (rosemary) was obtained by hydro-distillation and analysed by gas chromatography-mass spectrometry. Sixty-two constituents were identified, representing 98.06% of the total oil content. Oxygenated monoterpenes were the predominant components. The rosemary oil was characterized
Pedro M Santos et al.
Proteomics, 9(22), 5101-5111 (2009-10-03)
Beta-myrcene, a monoterpene widely used as a fragrance and flavoring additive, also possesses analgesic, anti-mutagenic, and tyrosinase inhibitory properties. In order to get insights into the molecular mechanisms underlying the ability of Pseudomonas sp. M1 to catabolize beta-myrcene, an expression
Yan Yvon et al.
Journal of food science, 77(8), H184-H191 (2012-08-07)
Six essential oils (EOs), Juniperus phoenicea (leaves and berries), Thymus capitatus, Lauris nobilis, Melaleuca armillaris, and Eucalyptus gracilis, were screened for their antioxidant and antihypertensive activity as well as their chemical compositions. We identified and quantified 24 compounds (representing 99.8%
Irene Terry et al.
Science (New York, N.Y.), 318(5847), 70-70 (2007-10-06)
The reproductive organs of some plants self-heat, release scent, and attract pollinators. The relations among these processes are not well understood, especially in the more ancient, nonflowering gymnosperm lineages. We describe the influence of plant volatiles in an obligate pollination
Johannes Niebler et al.
Phytochemistry, 109, 66-75 (2014-12-04)
Frankincense has been known, traded and used throughout the ages for its exceptional aroma properties, and is still commonly used in both secular and religious settings to convey a pleasant odor. Surprisingly, the odoriferous principle(s) underlying its unique odor profile
Josep-Salvador Blanch et al.
Physiologia plantarum, 131(2), 211-225 (2008-02-07)
We studied the effects of water stress, fertilization and time course on foliar volatile terpene emission rates by Quercus ilex and Pinus halepensis in a garden experiment. The terpenes mostly emitted by both species were alpha-pinene, beta-pinene, beta-myrcene and Delta(3)-carene.
Christian Zorzetto et al.
Fitoterapia, 100, 95-109 (2014-12-03)
In the present work we carried out a phytochemical and biological investigation on three Hypericum species, i.e. Hypericum reflexum, Hypericum canariense and Hypericum grandifolium, from the Canary Islands where they are traditionally used as diuretic, wound healing, vermifuge, sedative and
Osman Ciftci et al.
Toxicology and industrial health, 27(5), 447-453 (2011-01-20)
The aim of this study was to investigate the effectiveness of curcumin, β-myrcene (myrcene) and 1,8-cineole (cineole) on antioxidant defense system in rats given a persistent environmental pollutant (2,3,7,8-tetrachlorodibenzo-p-dioxin, TCDD). Rats (n = 112) were divided randomly into 8 equal
Guddadarangavvanahally K Jayaprakasha et al.
Planta medica, 78(10), 974-980 (2012-06-08)
Fresh Nagami kumquats (Fortunella margarita) were subjected to hydrodistillation using a Clevenger-type apparatus to obtain volatile oil. The chemical composition of the volatile oil was analyzed by GC-MS using Rtx-5 Sil MS and DB Wax columns. A total of 25
National Toxicology Program technical report series, (557)(557), 1-163 (2011-03-19)
Beta-myrcene, an acyclic unsubstituted monoterpene, and the essential oils which contain it are used as intermediates in the production of terpene alcohols (geraniol, nerol, and linalool), which, in turn, serve as intermediates in the production of aroma and flavor chemicals.
Ram Swaroop Verma et al.
Natural product research, 26(14), 1358-1362 (2011-10-21)
Essential oils derived from six different phenophases, namely early vegetative stage, late vegetative stage, early flowering stage, full flowering stage (FFS), late flowering stage and seed shattering stage of Origanum vulgare L. grown in Kumaon region of Uttarakhand, India were
A Rivoal et al.
Chemosphere, 78(8), 942-949 (2010-01-23)
The large amount of volatile organic compound (VOC) emitted by vegetation modifies air quality contributing to both tropospheric ozone and secondary organic aerosol production. A better understanding of the factors controlling VOC emissions by vegetation is mandatory in order to
Guang-Xian Cai et al.
Natural product research, 26(19), 1796-1798 (2011-10-20)
Essential oils from the fruit of two species of Evodia rutaecarpa from China (Evodia rutaecarpa (Juss.) Benth. var. officinalis (Dode) Huang and Evodia rutaecarpa (Juss.) Benth.) have been obtained by hydrodistillation and analysed by gas chromatography-mass spectrometry in order to
Mark L Thompson et al.
Applied microbiology and biotechnology, 85(3), 721-730 (2009-08-27)
The biocatalytic generation of high-value chemicals from abundant, cheap and renewable feedstocks is an area of great contemporary interest. A strain of Rhodococcus erythropolis designated MLT1 was isolated by selective enrichment from the soil surrounding hop plants, using the abundant
Biljana Nikolić et al.
Chemistry & biodiversity, 4(5), 905-916 (2007-05-19)
The essential-oil compositions of Pinus heldreichii Christ. from Montenegro and Serbia are reported at the population level. Whitebark pine is a sub-endemic high-mountain Balkan pine relict of an anthropogenically reduced area, with large morphological diversity and insufficiently clear taxonomic position.
Luana Quassinti et al.
Fitoterapia, 97, 133-141 (2014-06-14)
Smyrnium olusatrum (Apiaceae), well known as wild celery, is a biennal celery-scented plant used for many centuries as a vegetable, then abandoned after the introduction of celery. In the present work, the essential oil obtained from inflorescences and the amounts
Ulrich Krings et al.
Applied microbiology and biotechnology, 78(3), 533-541 (2008-01-16)
The conversion of beta-myrcene to the furanoid flavour compound perillene by Pleurotus ostreatus was investigated using trideutero beta-myrcene, trideutero alpha-(Z)-acaridiol and non-labeled 1,2- and 3,10-epoxy-beta-myrcene, alpha,alpha-acarilactol, and perillene as substrates. Myrcene diols were formed from the cleavage of myrcene epoxides
In vitro inhibition of CYP2B1 monooxygenase by ?-myrcene and other monoterpenoid compounds
De-Oliveira X.A.CA, et al.
Toxicology Letters, 92(1), 39-46 (1997)
Frauke Lüddeke et al.
BMC microbiology, 12, 192-192 (2012-09-06)
Monoterpenes present a large and versatile group of unsaturated hydrocarbons of plant origin with widespread use in the fragrance as well as food industry. The anaerobic β-myrcene degradation pathway in Castellaniella defragrans strain 65Phen differs from well known aerobic, monooxygenase-containing
Frauke Lüddeke et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 66(7-8), 409-412 (2011-09-29)
The linalool dehydratase-isomerase from Castellaniella defragrans strain 65Phen catalyzes in the thermodynamically unfavourable direction the hydration of betamyrcene to linalool and further the isomerization to geraniol, the initial steps in anaerobic beta-myrcene biodegradation. We have now investigated the stereochemistry of
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