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Lillian M Franklin et al.
Journal of agricultural and food chemistry, 65(12), 2549-2563 (2017-03-14)
In almonds, there is no standard method for detecting oxidative changes and little data correlating consumer perception with chemical markers of rancidity. To address this, we measured peroxide values (PV), free fatty acid values (FFAs), conjugated dienes, tocopherols, headspace volatiles
Jie Li et al.
Clinica chimica acta; international journal of clinical chemistry, 436, 59-67 (2014-05-13)
Breast cancer (BC) remains the most commonly diagnosed malignancy in women. We investigated 4 straight aldehydes in the exhaled breath as potential early BC diagnostic biomarkers. End-tailed breath were collected by Bio-VOC® sampler and assayed by gas chromatography-mass spectrometry. Kruskal-Wallis
R C Araneda et al.
Nature neuroscience, 3(12), 1248-1255 (2000-12-02)
An odor perception is the brain's interpretation of the activation pattern of many peripheral sensory neurons that are differentially sensitive to a wide variety of odors. The sensitivity of these neurons is determined by which of the thousand or so
JianCai Zhu et al.
Journal of agricultural and food chemistry, 63(34), 7499-7510 (2015-08-11)
The aroma profile of oolong tea infusions (Dongdingwulong, DDWL; Tieguanyin, TGY; Dahongpao, DHP) were investigated in this study. Gas chromatography-olfactometry (GC-O) with the method of aroma intensity (AI) was employed to investigate the aroma-active compounds in tea infusions. The results
Martin Globisch et al.
Journal of agricultural and food chemistry, 62(33), 8500-8507 (2014-07-30)
Hexanal, 2-heptenal, and nonanal were identified as relevant reaction products formed in the course of the lipid peroxidation of heated peanut oil. For the identification of potential amino acid side chain adducts, kinetic studies between N(α)-benzoylglycyl-l-lysine as a model for
Satori A Marchitti et al.
Biochemical and biophysical research communications, 356(3), 792-798 (2007-03-27)
Aldehyde dehydrogenases (ALDHs) are critical enzymes in the metabolism of endogenous and exogenous aldehydes. The human genome contains 19 putatively functional ALDH genes; ALDH3B1 belongs to the ALDH3 family. While recent studies have linked the ALDH3B1 locus to schizophrenia, nothing
Philipp Denk et al.
Analytical and bioanalytical chemistry, 410(14), 3395-3404 (2018-04-07)
Elastic therapeutic tapes are an important tool in the field of physical therapy and medicine. These tapes contain types of adhesive. However, sensory evaluations revealed the release of pronounced and irritating odors of the tapes. Negative odors were, amongst others
Siliang Wu et al.
Food chemistry, 342, 128381-128381 (2020-10-25)
The key aroma compounds of six commercially available dry-cured Spanish mackerel (Scomberomorus niphonius, DCSM) were identified using electronic nose (E-nose), gas chromatography-olfactometry (GC-O), and two-dimensional gas chromatography-time-of-flight mass spectrometry (GC × GC-TOFMS). A total of 38-55 aroma compounds were identified, and 21-26
Tomoyasu Taguchi et al.
Bioscience, biotechnology, and biochemistry, 77(1), 138-144 (2013-01-08)
The effects of 16 aliphatic aldehydes with 3-10 carbons on the growth and patulin production of Penicillium expansum were examined. When P. expansum spores were inoculated into apple juice broth, some alkenals, including 2-propenal, (E)-2-butenal, (E)-2-pentenal, and (E)-2-hexenal, inhibited fungal
Jairo Torres Magalhães-Junior et al.
Analytical and bioanalytical chemistry, 406(26), 6691-6700 (2014-08-31)
Visceral leishmaniasis (VL) is a zoonosis whose etiologic agent in the Americas is Leishmania infantum, and dogs are the main host. Research and innovation in diagnostic techniques are essential to improve the surveillance and control of VL in endemic areas.
Vera Minak-Bernero et al.
Biotechnology and bioengineering, 87(2), 170-177 (2004-07-06)
We report a novel method for the rapid, sensitive, and quantitative detection of alkanes, alcohols, and aldehydes that relies on the reaction of bacterial luciferase with an aldehyde, resulting in the emission of light. Primary alcohols with corresponding aldehydes that
Ricardo C Araneda et al.
The Journal of physiology, 555(Pt 3), 743-756 (2004-01-16)
Several lines of evidence suggest that odorants are recognized through a combinatorial process in the olfactory system; a single odorant is recognized by multiple receptors and multiple odorants are recognized by the same receptor. However few details of how this
Yong Jie Li et al.
Environmental science & technology, 42(19), 7138-7145 (2008-10-23)
Atmospheric accretion reactions of octanal with sulfuric acid as a catalyst were investigated in bulk liquid-liquid experiments and gas-particle experiments. In bulk studies, trioxane, alpha,beta-unsaturated aldehyde, and trialkyl benzene were identified by gas chromatography-mass spectrometry as major reaction products with
Matthieu Dacher et al.
PloS one, 3(10), e3513-e3513 (2008-10-24)
Restrained worker honey bees are a valuable model for studying the behavioral and neural bases of olfactory plasticity. The proboscis extension response (PER; the proboscis is the mouthpart of honey bees) is released in response to sucrose stimulation. If sucrose
Arianna De Mori et al.
International journal of molecular sciences, 21(7) (2020-04-01)
In this work, we prepared silver nanowires (AgNWs) via the polyol method in the presence or absence of single wall carbon nanotubes (CNTs) and tested their physicochemical, antibacterial and cytotoxic properties. Results showed that the introduction of CNTs lead to
Linda Schreiner et al.
Analytical and bioanalytical chemistry, 412(5), 1137-1149 (2020-01-12)
The significance of wood odors beyond flavoring effects for barbecues and wine aged in barrels has recently been under discussion. Wood has an immense influence on our physical and mental condition through our palate, such as positive health and mood-stimulating
Mariel A Kerr et al.
Nature neuroscience, 9(4), 484-486 (2006-03-21)
Primary olfactory sensory neurons (OSNs) impart both molecular and functional organization to the olfactory bulb. Because OSNs can be selectively activated by odorants in vivo, we sought to determine whether odorant experience alters the cellular dynamics of specific OSNs or
J E Song et al.
Experimental & applied acarology, 76(3), 355-363 (2018-10-22)
Acaricidal activities of the active component isolated from Melissa officinalis oil and its structural analogues against Tyrophagus putrescentiae were evaluated using fumigant and contact bioassays. The structure of 3,7-dimethyl-2,6-octadienal purified from M. officinalis oil was elucidated with EI-MS, 1H- and
Roberto Romani et al.
Insects, 10(6) (2019-06-19)
Sitophilus zeamais (Motschulsky) is considered as one of the most destructive foodstuff pests. Due to their efficiency, low toxicity for mammalians and low environmental impact, plant-derived essential oils (EOs) are promising tools for pest control. In particular, the OEs extracted
Steven Crossley et al.
Science (New York, N.Y.), 327(5961), 68-72 (2010-01-02)
A recoverable catalyst that simultaneously stabilizes emulsions would be highly advantageous in streamlining processes such as biomass refining, in which the immiscibility and thermal instability of crude products greatly complicates purification procedures. Here, we report a family of solid catalysts
Nicoletta Faraone et al.
Insects, 11(8) (2020-08-08)
Blacklegged ticks, Ixodes scapularis, represent a significant public health concern due to their vectoring of tick-borne disease. Despite their medical importance, there is still limited knowledge of the chemosensory system of this species, and thus a poor understanding of host-seeking
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
ShuLing Wang et al.
Analytica chimica acta, 900, 67-75 (2015-11-18)
In this paper, polypyrrole/graphene (PPy/G) composite coating was prepared by a facile electrochemical polymerization strategy on the inner surface of a stainless steel (SS) tube. Based on the coating tube, a novel online in-tube solid-phase microextraction -high performance liquid chromatography
Minh Q Nguyen et al.
PloS one, 7(7), e41899-e41899 (2012-08-01)
In mammals, odorants are detected by a large family of receptors that are each expressed in just a small subset of olfactory sensory neurons (OSNs). Here we describe a strain of transgenic mice engineered to express an octanal receptor in
Huan Liu et al.
Journal of agricultural and food chemistry, 67(20), 5847-5856 (2019-05-03)
The dominant aroma compounds in the breast skin and breast muscle of Beijing roasted duck were investigated by gas chromatography-olfactometry-mass spectrometry (GC-O-MS), odor-activity values, and aroma recombination. The results demonstrated that a total of 42 aroma compounds were identified in
I W Liaw et al.
Journal of food science, 76(8), C1188-C1194 (2012-03-16)
The flavor and flavor stability of fresh and stored liquid Cheddar and Mozzarella wheys were compared. Pasteurized, fat separated, and unseparated Cheddar and Mozzarella wheys were manufactured in triplicate and evaluated immediately or stored for 72 h at 3 °C.
Takuya Kitamura et al.
The Biochemical journal, 465(1), 79-87 (2014-10-07)
Aldehyde dehydrogenases (ALDHs) catalyse the conversion of toxic aldehydes into non-toxic carboxylic acids. Of the 21 ALDHs in mice, it is the ALDH3 family members (ALDH3A1, ALDH3A2, ALDH3B1, ALDH3B2 and ALDH3B3) that are responsible for the removal of lipid-derived aldehydes.
J Enrique Cometto-Muñiz et al.
Chemical senses, 35(4), 289-299 (2010-03-02)
We have measured concentration detection (i.e., psychometric) functions to determine the odor detectability of homologous aliphatic aldehydes (propanal, butanal, hexanal, octanal, and nonanal) and helional. Subjects (16 < or = n < or = 18) used a 3-alternative forced-choice procedure
An eco-compatible pathway to new hydrotropes from tetraols.
Herbinski A A, et al.
Green Chemistry (2018)
M-K Song et al.
Human & experimental toxicology, 33(7), 710-721 (2013-10-17)
Inhalation is an important route of aldehyde exposure, and lung is one of the main targets of aldehyde toxicity. Octanal is distributed ubiquitously in the environment and is a component of indoor air pollutants. We investigated whether octanal exposure enhances
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