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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 ar...Read More
Physiology of deletion mutants in the anaerobic β-myrcene degradation pathway in Castellaniella defragrans.
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...Read More
Inhibition of prostate cancer (LNCaP) cell proliferation by volatile components from Nagami kumquats.
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 G...Read More
Comparison of headspace solid-phase microextraction, headspace single-drop microextraction and hydrodistillation for chemical screening of volatiles in Myrtus communis L.
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 com...Read More
The linalool dehydratase-isomerase from Castellaniella defragrans strain 65Phen catalyzes in the thermodynamically unfavourable direction the hydration of betamyrcene to linalool and further the isome...Read More
NTP technical report on the toxicology and carcinogenesis studies of beta-myrcene (CAS No. 123-35-3) in F344/N rats and B6C3F1 mice (Gavage studies).
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 t...Read More
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 o...Read More
Repellent activity of essential oils and some of their individual constituents against Tribolium castaneum herbst.
A tool for integrated pest management is the use of essential oils (EOs) and plant extracts. In this study, EOs from Tagetes lucida , Lepechinia betonicifolia , Lippia alba , Cananga odorata , and Ros...Read More
Antioxidative effects of curcumin, β-myrcene and 1,8-cineole against 2,3,7,8-tetrachlorodibenzo-p-dioxin-induced oxidative stress in rats liver.
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 ...Read More
Rate constants for the gas-phase reactions of OH and O3 with β-ocimene, β-myrcene, and α- and β-farnesene as a function of temperature.
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 tech...Read More
Antibacterial activity of the essential oil from Rosmarinus officinalis and its major components against oral pathogens.
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 ...Read More
Smells like aphids: orchid flowers mimic aphid alarm pheromones to attract hoverflies for pollination.
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 un...Read More
Environmental control of terpene emissions from Cistus monspeliensis L. in natural Mediterranean shrublands.
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 ...Read More
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Biotransformation of beta-myrcene to geraniol by a strain of Rhodococcus erythropolis isolated by selective enrichment from hop plants.
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 is...Read More
A labeling study on the formation of perillene by submerged cultured oyster mushroom, Pleurotus ostreatus.
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...Read More
Variability of the needle essential oils of Pinus heldreichii from different populations in Montenegro and Serbia.
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 anth...Read More
[Analysis of volatile constituents in leaves of three cypress species by gas chromatography/mass spectrometry].
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....Read More
Associative learning of plant odorants activating the same or different receptor neurones in the moth Heliothis virescens.
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 res...Read More
Relation between chemical composition or antioxidant activity and antihypertensive activity for six essential oils.
Six essential oils (EOs), Juniperus phoenicea (leaves and berries), Thymus capitatus, Lauris nobilis, Melaleuca armillaris, and Eucalyptus gracilis, were screened for their antioxidant and antihyperte...Read More
Volatile constituents of Origanum vulgare L., 'thymol' chemotype: variability in North India during plant ontogeny.
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...Read More
Comparative analysis of essential oil components of Evodia rutaecarpa (Juss.) Benth. var. officinalis (Dode) Huang and Evodia rutaecarpa (Juss.) Benth.
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...Read More
[Bioactivity and chemical composition of essential oil from Zanthoxylum beecheyanum var. alatum leaves against Culex pipens quinquefasciatus (Diptera: Culicidae)].
The repellent activity of steam-distilled essential oil from Zanthoxlum beecheyamum var. alatum fresh leaves against Culex pipens quinquefasciatus was evaluated according to the Laboratory Efficacy Cr...Read More
Sensitivity of terpene emissions to drought and fertilization in terpene-storing Pinus halepensis and non-storing Quercus ilex.
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...Read More
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 gymn...Read More
Influence of five organic antifouling candidates on spore attachment and germination of a fouling alga Ulva pertusa.
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 p...Read More
Surfactants, aromatic and isoprenoid compounds, and fatty acid biosynthesis inhibitors suppress Staphylococcus aureus production of toxic shock syndrome toxin 1.
Menstrual toxic shock syndrome is a rare but potentially life-threatening illness manifest through the actions of Staphylococcus aureus toxic shock syndrome toxin 1 (TSST-1). Previous studies have sho...Read More