Showing 1-30 of 33 results for "441619"
Smail Aazza et al.
Molecules (Basel, Switzerland), 16(9), 7672-7690 (2011-09-09)
The commercial essential oils of Citrus aurantium L., Cupressus sempervirens L., Eucalyptus globulus Labill., Foeniculum vulgare Mill. and Thymus vulgaris L., isolated by steam distillation by a company of Morocco were evaluated in terms of in vitro antioxidant activity through...
Asa M Jonsson et al.
Environmental science & technology, 40(1), 188-194 (2006-01-26)
The effect of water on the initial secondary organic aerosol (SOA) formation from gas-phase ozonolysis of limonene, delta3-carene, and alpha-pinene (-3 and approximately 1.5 x 10(11) molecule cm(-3) reacted) has been investigated in a flow reactor at controlled relative humidity...
Sonawane, H.R. et al.
Synlett, 875-875 (1993)
Lars Jørgensen et al.
Science (New York, N.Y.), 341(6148), 878-882 (2013-08-03)
Ingenol is a diterpenoid with unique architecture and has derivatives possessing important anticancer activity, including the recently Food and Drug Administration-approved Picato, a first-in-class drug for the treatment of the precancerous skin condition actinic keratosis. Currently, that compound is sourced...
M B Gholivand et al.
Natural product research, 25(17), 1585-1595 (2011-06-07)
This study was designed to examine the chemical composition and in vitro antioxidant activity of essential oil and methanol extracts of Echinophora platyloba from Iran. Gas chromatography (GC) and GC/MS (mass spectrometry; MS) analysis of the essential oil resulted in...
Marghereth Saverini et al.
Journal of photochemistry and photobiology. B, Biology, 108, 8-15 (2012-01-20)
The presence of (±)α-pinene, (+)β-pinene, (+)3-carene, and R-(+)limonene terpenes in wastewater of a citrus transformation factory was detected and analyzed, in a previous study, by using Solid Phase Micro-extraction (SPME) followed by GC analyses. Purpose of that research was to...
Dawn E Hall et al.
The Plant journal : for cell and molecular biology, 65(6), 936-948 (2011-02-18)
Conifers are extremely long-lived plants that have evolved complex chemical defenses in the form of oleoresin terpenoids to resist attack from pathogens and herbivores. In these species, terpenoid diversity is determined by the size and composition of the terpene synthase...
Dulcere, J.-P. et al.
The Journal of Organic Chemistry, 58, 5702-5702 (1993)
Brown, H.C. et al.
The Journal of Organic Chemistry, 53, 2911-2911 (1988)
Min Lu et al.
The New phytologist, 187(3), 859-866 (2010-06-16)
*Recent studies have investigated the relationships between pairs or groups of exotic species to illustrate invasive mechanisms, but most have focused on interactions at a single trophic level. *Here, we conducted pathogenicity tests, analyses of host volatiles and fungal growth...
Lavandula stoechas essential oil from Spain: Aromatic profile determined by gas chromatography-mass spectrometry, antioxidant and lipoxygenase inhibitory bioactivities.
Carrasco A, et al.
Industrial Crops and Products, 73, 16-27 (2015)
Claudia Cano-Ramírez et al.
Journal of chemical ecology, 38(5), 512-524 (2012-05-01)
The bark beetle Dendroctonus rhizophagus is endemic to northwestern Mexico where it kills immature pines < 3 m tall. We report the first investigation of the chemical ecology of this pest of forest regeneration. We used GC-EAD to assess olfactory sensitivity of...
Tao Zhao et al.
Phytochemistry, 71(11-12), 1332-1341 (2010-06-19)
Constitutive and inducible terpene production is involved in conifer resistance against bark beetles and their associated fungi. In this study 72 Norway spruce (Picea abies) were randomly assigned to methyl jasmonate (MJ) application, inoculation with the bluestain fungus Ceratocystis polonica...
Frédéric J Zécri et al.
Bioorganic & medicinal chemistry letters, 20(1), 35-37 (2009-12-04)
High throughput screening and hit to lead optimization led to the identification of 'carene' as a promising scaffold showing selective S1P(1) receptor agonism. In parallel to this work we have established a pharmacophore model for the S1P(1) receptor highlighting the...
Ta-Jung Lu et al.
The Journal of organic chemistry, 76(6), 1621-1633 (2011-02-11)
A novel carene-based alanine-equivalent tricyclic iminolactone 16 has been synthesized via stereoselective dihydroxylation of the double bond, IBX oxidation of the secondary alcohol, esterification of the tertiary alcohol, deprotection of the resulting ester, and subsequent cyclization from commercially available (1S)-(+)-3-carene...
Lukas Schmidt et al.
Analytica chimica acta, 793, 26-36 (2013-08-21)
A gas chromatographic-positive chemical ionisation-tandem mass spectrometric (GC-PCI-MS/MS) method for the simultaneous determination of 10 oxidative metabolites of the monoterpenoid hydrocarbons α-pinene, (R)-limonene, and Δ(3)-carene ((+)-3-carene) in human urine was developed and tested for the monoterpene biomonitoring of the general...
P A Olounladé et al.
Parasitology research, 110(4), 1427-1433 (2011-10-01)
The need for new anthelmintic with no chemical residues is becoming urgent. In a program aiming at the evaluation of plant as sources of new active molecules, the anthelmintic activities of the essential oils (EOs) obtained from either Zanthoxylum zanthoxyloides...
Xiaofeng Zhu et al.
Environmental entomology, 49(3), 586-592 (2020-03-22)
Scolytus schevyrewi Semenov (Coleoptera: Curculionidae: Scolytinae) is native to China and Central Asia. Damage by the adults and larvae weakens local apricot trees (Armeniaca spp.), often causing death to many host trees. In previous studies, freshly cut apricot logs were...
Min Lu et al.
Ecology, 92(11), 2013-2019 (2011-12-15)
Novel genotypes often arise during biological invasions, but their role in invasion success has rarely been elucidated. Here we examined the population genetics and behavior of the fungus, Leptographium procerum, vectored by a highly invasive bark beetle, Dendroctonus valens, to...
Xiu-wei Yang et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 31(8), 663-666 (2006-07-13)
To analyze the constituents of the essential oils from Radix Angelicae Pubescentis planted in a GAP base of the Chinese medica materials, and provide the scientific basis for quality control. The essential oils were extracted by water-steam distillation and separated...
Yan Ma et al.
Physical chemistry chemical physics : PCCP, 11(21), 4184-4197 (2009-05-22)
This paper describes experimental studies aimed at elucidating mechanisms for the formation of low-volatility organic acids in the gas-phase ozonolysis of 3-carene. Experiments were carried out in a static chamber under 'OH-free' conditions. A range of multifunctional acids-which are analogous...
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...
C Cavaleiro et al.
Journal of applied microbiology, 100(6), 1333-1338 (2006-05-16)
The increasing resistance to antifungal compounds and the reduced number of available drugs led us to search therapeutic alternatives among aromatic plants and their essential oils, empirically used by antifungal proprieties. In this work the authors report on the antifungal...
Jong-Geun Jeong et al.
Phytotherapy research : PTR, 22(1), 18-22 (2007-08-10)
Recently, natural products have gained more interest as alternative treatments for metabolic bone disorders and for the maintenance of bone health. In this study, the anabolic activities of 89 natural compounds were evaluated by measuring the amount of newly synthesized...
Latha G Nair et al.
The Journal of organic chemistry, 75(4), 1285-1288 (2010-01-30)
A highly efficient and practical route to 3,4-isopropylidene proline I, starting from (+)-3-carene, was developed. The three continuous stereocenters were constructed using the inherent chirality of the starting natural product 2. The overall yield for the 12-step synthesis is 34%....
Marcela Dvorakova et al.
Molecules (Basel, Switzerland), 16(12), 10541-10555 (2011-12-21)
Biotransformation of (1S)-2-carene and (1S)-3-carene by Picea abies suspension culture led to the formation of oxygenated products. (1S)-2-Carene was transformed slowly and the final product was identified as (1S)-2-caren-4-one. On the other hand, the transformation of (1S)-3-carene was rapid and...
J L Wang et al.
Natural product research, 23(12), 1080-1088 (2009-08-08)
The effects of the monoterpenes of 3-carene, 1,8-cineole, beta-pinene, terpinene and terpinolene on the repellent, contact toxicity of Tribolium castaneum adults and sustaining fumigant toxicity of Sitophilus zeamaise adults were examined. Monoterpene of 1,8-cineole in 20 microL mL(-1) and beta-pinene...
Nicole Lehnert et al.
Journal of biotechnology, 159(4), 329-335 (2011-07-05)
Mycelium of the basidiomycete Pleurotus sapidus known to contain a novel dioxygenase was used for the bioconversion of car-3-ene [I]. After 4h of incubation 25.3mgL(-1) car-3-en-5-one [V], 5.4mgL(-1) car-3-en-2-one [VII], and 7.3mgL(-1) car-2-en-4-one [XV] accumulated as major oxidation products. The...
Enantioselective addition of diethylzinc to aldehydes catalyzed by a ?-amino alcohol derived from (+)-3-carene.
Joshi SN and Malhotra SV.
Tetrahedron Asymmetry, 14(13), 1763-1766 (2003)
Marie Danielsson et al.
BMC plant biology, 11, 154-154 (2011-11-10)
Norway spruce [Picea abies (L.) Karst.] is one of the most important conifer species in Europe. The wood is economically important and infections by wood-rotting fungi cause substantial losses to the industry.The first line of defence in a Norway spruce...

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