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Showing 1-30 of 45 results for "E15701" within Papers
D Labbe et al.
Chemical senses, 32(3), 205-214 (2006-11-03)
The impact of olfactory perception on sweetness was explored in a model solution using odorants at subthreshold concentrations. First, the impact of 6 odorants, previously described in the literature as congruent with sweetness, was investigated at suprathreshold level in a
Stéphanie Rollero et al.
Applied microbiology and biotechnology, 99(5), 2291-2304 (2014-11-22)
Volatile compounds produced by yeast during fermentation greatly influence the organoleptic qualities of wine. We developed a model to predict the combined effects of initial nitrogen and phytosterol content and fermentation temperature on the production of volatile compounds. We used
Pascal Fuchsmann et al.
Journal of agricultural and food chemistry, 63(34), 7511-7521 (2015-08-01)
To establish the odor profiles of three differently fabricated commercial Swiss Tilsit cheeses, analyses were conducted using headspace solid-phase microextraction gas chromatography-mass spectrometry/pulsed flame photometric detection and gas chromatography-olfactometry to identify and quantitate volatile compounds. In addition, odor quality and
Boriana Atanasova et al.
Chemical senses, 30(3), 209-217 (2005-03-03)
The qualitative perceptual interactions in three binary mixtures of wine odorants were studied: isoamyl acetate (fruity note)/whisky lactone (woody note), ethyl butyrate (fruity note)/whisky lactone (woody note) and ethyl butyrate (fruity note)/guaiacol (woody note). For each binary mixture, the perceived
Valentina Canuti et al.
Journal of agricultural and food chemistry, 67(9), 2647-2659 (2019-02-14)
Sangiovese is the most widespread Italian red cultivar and constitutes the basis of internationally known wines such as Chianti and Brunello di Montalcino. Outside of Europe, Argentina is the largest producer, followed by the United States. This study sought to
Penelope A Lind et al.
Biochimica et biophysica acta, 1702(1), 103-110 (2004-09-29)
It has been generally accepted that enzyme activity requires a minimal hydration of about 0.2 g H2O g(-1) protein. This fits well with evidence that hydration above this level is associated with the onset of intramolecular motions. The influence of
Dieter Wicher et al.
Nature, 452(7190), 1007-1011 (2008-04-15)
From worm to man, many odorant signals are perceived by the binding of volatile ligands to odorant receptors that belong to the G-protein-coupled receptor (GPCR) family. They couple to heterotrimeric G-proteins, most of which induce cAMP production. This second messenger
Pablo M Cometto et al.
The journal of physical chemistry. A, 113(40), 10745-10752 (2009-09-15)
Kinetics of the reactions of OH radicals and Cl atoms with four saturated esters have been investigated. Rate coefficients for the gas-phase reactions of OH radicals with ethyl propanoate (k(1)), n-propyl propanoate (k(2)), methyl 2-methylpropanoate (k(3)), and ethyl n-butanoate (k(4))
Esterification activity and operational stability of Candida rugosa lipase immobilized in polyurethane foams in the production of ethyl butyrate.
Pires-Cabral P, et al.
Biochemical Engineering Journal, 48(2), 246-252 (2010)
Eduardo Coelho et al.
Food chemistry, 323, 126826-126826 (2020-04-27)
During beer ageing, endogenous barrel microbes grow spontaneously and transform wort/beer composition, being Dekkera bruxellensis and Saccharomyces cerevisiae among the main contributors to the chemical and sensory profile of aged beer. This work aims at the application of multi-starter cultures
Amélie Slegers et al.
Molecules (Basel, Switzerland), 20(6), 10980-11016 (2015-06-18)
Developed from crosses between Vitis vinifera and North American Vitis species, interspecific hybrid grape varieties are becoming economically significant in northern areas, where they are now extensively grown for wine production. However, the varietal differences between interspecific hybrids are not
Megan B Turner et al.
Biomacromolecules, 6(5), 2497-2502 (2005-09-13)
Preparation of cellulose-polyamine composite films and beads, which provide high loading of primary amines on the surface allowing direct one-step bioconjugation of active species, is reported using an ionic liquid (IL) dissolution and regeneration process. Films and bead architectures were
Georgia Lytra et al.
Food chemistry, 194, 196-200 (2015-10-17)
Our study focused on variations in wine aroma perception and molecular composition during tasting over a period of 30min. In parallel, dynamic analytical and sensory methods were applied to study changes in the wines' molecular and aromatic evolution. Dynamic sensory
Salvatore Guarino et al.
Pest management science, 67(1), 77-81 (2010-10-19)
The red palm weevil (RPW), Rhynchophorus ferrugineus Olivier, accidentally introduced into the European countries facing the Mediterranean basin, is becoming the most serious pest for ornamental palms in the urban environment. In the present work, tests were conducted on the
Pingxi Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(46), 16592-16597 (2014-10-29)
Insect repellents are important prophylactic tools for travelers and populations living in endemic areas of malaria, dengue, encephalitis, and other vector-borne diseases. DEET (N,N-diethyl-3-methylbenzamide) is a 6-decade-old synthetic repellent, which is still considered the gold standard of mosquito repellents. Mosquitoes
Eric S Folker et al.
Development (Cambridge, England), 139(20), 3827-3837 (2012-09-07)
Various muscle diseases present with aberrant muscle cell morphologies characterized by smaller myofibers with mispositioned nuclei. The mechanisms that normally control these processes, whether they are linked, and their contribution to muscle weakness in disease, are not known. We examined
Kaitlin S Carlson et al.
Journal of neurophysiology, 111(10), 2109-2123 (2014-03-07)
The olfactory tubercle (OT), a trilaminar structure located in the basal forebrain of mammals, is thought to play an important role in olfaction. While evidence has accumulated regarding the contributions of the OT to odor information processing, studies exploring the
Vrushali Dandavate et al.
Bioresource technology, 100(13), 3374-3381 (2009-03-17)
Burkholderia multivorans V2 (BMV2) isolated from soil was found to produce an extracellular solvent tolerant lipase (6.477 U/mL). This lipase exhibited maximum stability in n-hexane retaining about 97.8% activity for 24h. After performing statistical optimization of medium components for lipase
Paweł Mochalski et al.
Cell biochemistry and biophysics, 71(1), 323-329 (2014-08-16)
Gas chromatography with mass spectrometric detection combined with head-space needle trap extraction as the pre-concentration technique was applied to identify and quantify volatile organic compounds released or metabolised by human umbilical vein endothelial cells. Amongst the consumed species there were
Andres Garcia et al.
Advanced materials (Deerfield Beach, Fla.), 24(39), 5368-5373 (2012-08-14)
The influence of protonation reactions between poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) and a thiadiazolo[3,4-c]pyridine small-molecule donor are reported; these result in poor solar-cell performance due to a barrier for charge extraction. The use of a NiO(x) contact eliminates such deleterious chemical interactions and
Aidan Kiely et al.
Journal of neuroscience methods, 159(2), 189-194 (2006-08-22)
Olfactory receptors (ORs) are seven transmembrane proteins that are responsible for the transduction of volatiles into neuronal signals. Their low sequence homology means that the prediction of ligands for ORs based on extrapolation from empirical data of other ORs is
Chi-Chung Li et al.
Journal of colloid and interface science, 315(1), 297-306 (2007-08-04)
Approximately 90% of all ophthalmic drug formulations are now applied as eye-drops. While eye-drops are convenient and well accepted by patients, about 95% of the drug contained in the drops is lost due to absorption through the conjunctiva or through
Gracia López-Carballo et al.
Journal of agricultural and food chemistry, 53(18), 7212-7216 (2005-09-01)
The ethylene-vinyl alcohol copolymers (EVOHs) are well-known high oxygen barrier materials that are being used successfully in the design of packaging structures for oxygen-sensitive food or pharmaceutical products. Recently, there has been increasing interest in using EVOH materials to provide
Julia L Semmelhack et al.
Nature, 459(7244), 218-223 (2009-04-28)
Fruitflies show robust attraction to food odours, which usually excite several glomeruli. To understand how the representation of such odours leads to behaviour, we used genetic tools to dissect the contribution of each activated glomerulus. Apple cider vinegar triggers robust
Laura L Holden et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 136, 110945-110945 (2019-11-13)
Since 2007, electronic cigarette (e-cigarette) sales in the U.S. have surpassed those of tobacco cigarettes. This is due, in part, to manufacturer's claims that they are a safer alternative to tobacco cigarettes. However, formaldehyde, acrolein, and diacetyl have been detected
Mirela Kopjar et al.
Journal of the science of food and agriculture, 90(8), 1285-1292 (2010-05-18)
Partition coefficients give an indication of the retention of aroma compounds by the food matrix. Data in the literature are obtained by various methods, under various conditions and expressed in various units, and it is thus difficult to compare the
B Wang et al.
Journal of dairy science, 103(5), 4164-4173 (2020-03-17)
Kurut is a traditional acid-coagulated cheese from the northwest region of China. Using gas chromatography olfactometry and aroma extract dilution analysis, we identified 21 potent odorants from kurut within the flavor dilution factor range of 8 to 256. We developed
Kenta Asahina et al.
Journal of biology, 8(1), 9-9 (2009-01-28)
Most odors are perceived to have the same quality over a large concentration range, but the neural mechanisms that permit concentration-invariant olfactory perception are unknown. In larvae of the vinegar fly Drosophila melanogaster, odors are sensed by an array of
Geraldine Savary et al.
Journal of agricultural and food chemistry, 54(3), 665-671 (2006-02-02)
Diffusion-ordered spectroscopy (DOSY)-pulsed field gradient (PGF) nuclear magnetic resonance (NMR) spectroscopy was used to measure self-diffusion coefficients of aroma molecules in model fruit preparations. The impact of the sucrose content on aroma diffusion was specifically investigated, and the relationship with
Suhyoung Bahk et al.
BMC biology, 14(1), 83-83 (2016-10-01)
Like most animals, insects rely on their olfactory systems for finding food and mates and in avoiding noxious chemicals and predators. Most insect olfactory neurons express an odorant-specific odorant receptor (OR) along with Orco, the olfactory co-receptor. Orco binds ORs
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