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N Inglik et al.
Laboratornoe delo, (8)(8), 24-27 (1989-01-01)
The developed gas-chromatographic vapour-phase analysis of volatile components of biological fluids has been used to study the urine volatile organic compounds (VOC) in normal subjects and patients with diabetes mellitus. The results have permitted the detection of a normal urine
Süleyman Gül et al.
Bulletin of environmental contamination and toxicology, 88(5), 666-671 (2012-02-09)
The aim of this study was to determine the chemical composition of Urtica dioica essential oil, and to evaluate its cytotoxic and genotoxic effects, using cytogenetic tests such as the cytokinesis-block micronucleus assay and chromosomal aberration analysis in human lymphocyte
Mengyang Xuan et al.
Organic letters, 14(21), 5492-5495 (2012-10-26)
The total synthesis of the cAMP signaling pathway activator (-)-alotaketal A is reported. A convergent approach to the unusual alotane sesterterpenoid skeleton was employed, exploiting a remarkable LiDBB-mediated coupling of an (R)-carvone-derived δ-lactone with an allyl bromide side chain, followed
Qin Kang et al.
Biochemical and biophysical research communications, 459(3), 498-503 (2015-03-10)
Transient receptor potential (TRP) channels in the spinal dorsal horn lamina II (substantia gelatinosa; SG), which are involved in the modulation of nociceptive transmission, have not yet been fully examined in property. Activation of the TRP channels by various plant-derived
Fábia Valéria M Souza et al.
Fitoterapia, 85, 20-24 (2012-10-30)
(-)-Carvone is a monoterpene ketone found in spearmint (Mentha spicata var. crispa) essential oil that is widely used as an odor and flavor additive. An intestinal antispasmodic effect was recently reported for (-)-carvone, and it has been shown to be
Zen and the art of molecules.
Michelle Francl
Nature chemistry, 4(3), 142-144 (2012-02-23)
Haishen Yang et al.
Organic letters, 13(14), 3670-3673 (2011-06-17)
A highly efficient route was developed to synthesize (-)-8-epigrosheimin in four steps from aldehyde 2 based on a substrate-controlled method. The key steps of the synthesis included (1) a stereo- and regioselective allylation addition, (2) an intramolecular translactonization, and (3)
I Hahn et al.
Journal of theoretical biology, 167(2), 115-128 (1994-03-21)
A theoretical model of olfaction involving all the major mechanisms in the mass transport of odorant molecules from inspired air to the olfactory receptors is developed. The mechanisms included are: (i) convective bulk flow of odorant molecules to the olfactory
Peter Hewitson et al.
Journal of chromatography. A, 1218(36), 6072-6078 (2011-05-17)
Intermittent counter-current extraction (ICcE) has proved itself as a method for splitting compounds into streams and/or concentrating compounds in the column. In this paper a model mixture sample based on a modified GUESSmix (containing salicin, caffeine, aspirin, coumarin, salicylic acid
Giorgio Tibaldi et al.
Journal of the science of food and agriculture, 93(3), 580-586 (2012-09-01)
The objectives of this work were to evaluate the phytomass yield, essential oil (EO) content and EO yield of Mentha spicata L. var. rubra, M. spicata L. var. viridis and Calamintha nepeta Savi in Piedmont (Italy), and to study how
Alessandra Bertoli et al.
Acta biochimica Polonica, 58(4), 581-587 (2011-12-17)
In vitro plantlets and callus of M. longifolia were established and their volatile constituents characterized by GC-MS analysis of their headspaces (HSs) and essential oils (EOs). Significant quali-quantitative differences were found in the aromatic fingerprints in comparison with the M.
Profile of volatile metabolites in human urine.
A Zlatkis et al.
Clinical chemistry, 17(7), 592-594 (1971-07-01)
Sonja Rentzsch et al.
Planta, 235(1), 137-151 (2011-08-23)
Gibberellins (GA) are involved in bud dormancy release in several species. We show here that GA-treatment released bud dormancy, initiated bud sprouting and promoted sprout growth of excised potato tuber bud discs ('eyes'). Monoterpenes from peppermint oil (PMO) and S-(+)-carvone
C Morcia et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 29(3), 415-422 (2012-01-20)
The aim of this study was to examine the effect of five naturally occurring compounds from essential oils on 10 different species of mycotoxigenic fungi involved in several plant diseases. The antifungal activities of terpinen-4-ol, eugenol, carvone, 1,8-cineole (eucalyptol) and
Catarina L Silva et al.
Talanta, 89, 360-368 (2012-01-31)
A sensitive assay to identify volatile organic metabolites (VOMs) as biomarkers that can accurately diagnose the onset of breast cancer using non-invasively collected clinical specimens is ideal for early detection. Therefore the aim of this study was to establish the
Carmen Barba et al.
Chirality, 24(5), 420-426 (2012-04-21)
Enantiomeric composition of selected chiral compounds present in complex mixtures is determined by using the online coupling of reversed-phase liquid chromatography (LC) to gas chromatography (GC) and mass spectrometry. Integration of sample preparation into GC analysis, in a completely automated
Yao Kang et al.
Chemical communications (Cambridge, England), 47(17), 4950-4952 (2011-03-29)
Special asymmetric crystallization of porous framework materials from achiral precursors under urothermal conditions is successfully achieved by using an enantiopure liquid as a co-solvent and chirality induction agent, which provides a new strategy for the synthesis of homochiral porous materials
Jian Chen et al.
Natural product communications, 7(5), 655-657 (2012-07-18)
GC-MS analyses of the volatile constituents obtained by solid phase microextraction (SPME) of two Gynura species, i.e., G. divaricata and G. bicolor, collected from Nanjing and Nanping areas in the east of China, enabled the identification of more than 50
Contact urticaria caused by carvone in toothpaste.
Christer Hansson et al.
Contact dermatitis, 65(6), 362-364 (2011-11-15)
Marta Goretti et al.
Bioresource technology, 121, 290-297 (2012-08-04)
Response surface methodology was applied in optimizing the asymmetric bioreduction of (4S)-(+)-carvone to dihydrocarvone (with low incidence of unsought side reactions) by using whole-cells of Cryptococcus gastricus. A factorial design (2(5)) including five independent variables was performed: X(1)=incubation time; X(2)=pH;
M Govindarajan et al.
Parasitology research, 110(5), 2023-2032 (2011-12-06)
Mosquitoes are blood-feeding insects and serve as the most important vectors for spreading human diseases such as malaria, yellow fever, dengue fever, and filariasis. The continued use of synthetic insecticides has resulted in resistance in mosquitoes. Synthetic insecticides are toxic
Philipp Klahn et al.
Organic letters, 14(5), 1250-1253 (2012-02-14)
The total synthesis of (+)-cyperolone, an eudesmane-derived sesquiterpenoid from Cyperus rotundus, is described. The de novo synthesis was accomplished via a 15 step sequence starting from (R)-(-)-carvone. The synthetic route features a platinum-catalyzed cycloisomerization to rapidly construct the bicyclic core
Hee Jin Kim et al.
Organic letters, 13(10), 2682-2685 (2011-04-23)
Selective deoxygenation of allylic alcohol can be successfully carried out by the formation of alkoxyalkyl ether (EE or MOM), followed by Pd(dppe)Cl(2)-catalyzed reduction with LiBHEt(3). (+)-S-Lavandulol has been efficiently synthesized by the application of this protocol to the diol derived
Jason Lambert et al.
The Journal of chemical physics, 136(11), 114512-114512 (2012-03-27)
The optical rotatory dispersion (ORD) and circular dichroism of the conformationally flexible carvone molecule has been investigated in 17 solvents and compared with results from calculations for the "free" (gas phase) molecule. The G3 method was used to determine the
Yehua Jin et al.
Organic & biomolecular chemistry, 10(28), 5452-5455 (2012-06-20)
A stereocontrolled total synthesis of (-)-terpestacin has been achieved starting from (R)-(-)-carvone as a chiral pool and (E,E)-farnesol via a highly convergent approach. Thus, (R)-(-)-carvone was transformed into the cyclopentanone segment through a series of high yielding operations with the
Raul Conde et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 18(14), 1197-1201 (2011-08-02)
There is no universally accepted and effective prophylaxis of migraine headache episodes. Thus we aimed to investigate the effects of Lippia alba (Mill.) N. E. Brown, an herb with many effects on central nervous system, on pain frequency and intensity
V Y Hatano et al.
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas, 45(3), 238-243 (2012-02-24)
Lippia alba (Mill.) N.E. Brown (Verbenaceae) is widely used in different regions of Central and South America as a tranquilizer. The plant's anxiolytic properties, however, merit investigation. The present study evaluated the effects of repeated daily (14 days) intraperitoneal (ip)
Elissavet E Anagnostaki et al.
Organic letters, 15(1), 152-155 (2012-12-22)
The synthesis of hydroxyelemane 5 from (R)-carvone and its utilization as a common synthetic scaffold to produce structurally diverse germacrane and guaiane sesquiterpenes are described. A highly enantio- and stereoselective biomimetic tandem oxy-Cope/ene rearrangement was used as the key reaction
J L Bicas et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 49(7), 1610-1615 (2011-05-05)
α-Terpineol is a relatively cheap and abundant aroma compound. It is widely used in food, cosmetics, and household products. Many of its monoterpene counterparts have been applied in antiproliferative assays, leading to promising results in the prevention or even treatment
Hisahiro Hagiwara
Natural product communications, 8(7), 935-948 (2013-08-29)
This review article is focused on the total syntheses of heterocyclic sesquiterpenoids starting from carvone since 1996.
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