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Kazutoku Ohta et al.
Journal of chromatography. A, 997(1-2), 107-116 (2003-07-02)
The application of C7 aliphatic carboxylic acids (heptanoic, 2-methylhexanoic, 5-methylhexanoic and 2,2-dimethyl-n-valeric acids) as eluents in ion-exclusion chromatography with conductimetric detection for C1-C6 aliphatic carboxylic acids (formic, acetic, propionic, isobutyric, butyric, isovaleric, valeric, isocaproic and caproic acids) was carried out
Fumiyuki Kobayashi et al.
Journal of agricultural and food chemistry, 62(48), 11722-11729 (2014-11-14)
To determine optimal temperature of a two-stage system of low pressure carbon dioxide microbubbles (MB-CO2) for inactivating enzymes in unpasteurized sake (UPS), the effect of two-stage MB-CO2 containing a heating coil at various temperatures on the inactivation of the α-glucosidase
Christina Preston et al.
Journal of agricultural and food chemistry, 51(27), 8027-8031 (2003-12-24)
By use of extracts prepared by liquid-liquid separation of the volatiles from self-prepared juices of pineapple fruits (Ananas comosus) (n = 14) as well as commercial pineapple recovery aromas/water phases (n = 3), on-line capillary gas chromatography-isotope ratio mass spectrometry
Brian D Fitz et al.
Journal of chromatography. A, 1392, 82-90 (2015-03-31)
Low thermal mass gas chromatography (LTM-GC) was evaluated for rapid, high peak capacity separations with three injection methods: liquid, headspace solid phase micro-extraction (HS-SPME), and direct vapor. An Agilent LTM equipped with a short microbore capillary column was operated at
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
Noboru Takiguchi et al.
Chemical senses, 33(3), 283-290 (2008-01-08)
We examined performance of mice in discrimination of liquor odors by Y-maze behavioral assays. Thirsty mice were initially trained to choose the odor of a red wine in the Y-maze. After successful training (>70% concordance for each trained mouse), 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
Teun Dekker et al.
Current biology : CB, 16(1), 101-109 (2006-01-13)
Olfaction in the fruit fly Drosophila melanogaster is increasingly understood, from ligand-receptor-neuron combinations to their axonal projection patterns into the antennal lobe . Drosophila thus offers an excellent opportunity to study the evolutionary and ecological dynamics of olfactory systems. We
J P Winpenny et al.
The Journal of physiology, 456, 1-17 (1992-10-01)
1. A two-microelectrode voltage clamp was used to determine the effects of n-butanol, n-hexanol, n-octanol, n-decanol and methyl hexanoate on a transient potassium (IA) current in identified Helix aspersa neurones. Experiments were carried out at a temperature of 10-12 degrees
O Chukwumerije et al.
The Journal of investigative dermatology, 93(3), 349-352 (1989-09-01)
The efficacy of the methyl esters of medium chain n-alkyl fatty acids as penetration enhancers was evaluated in vitro using various animal and human skins with minoxidil as the test drug. Both methyl nonanoate and methyl caprate at a 10%
David M Obenland et al.
Journal of agricultural and food chemistry, 51(11), 3367-3371 (2003-05-15)
Volatile emissions of navel orange (Citrus sinensis L. Osbeck cv. Washington) fruit were evaluated as a means for predicting and gauging freeze damage. The fruits were subjected to -5 or -7 degrees C treatments in a laboratory freezer for various
P K Richgels et al.
Chemical senses, 37(3), 229-240 (2011-11-01)
Chemoreception is a principle modality by which organisms gain information from their environment, and extensive variation in odor-mediated behavior has been documented within and among species. To examine the mechanisms by which sensory systems mediate these responses, we ask to
Supriyadi et al.
Bioscience, biotechnology, and biochemistry, 67(6), 1267-1271 (2003-07-05)
The methyl esters of carboxylic acids are characteristic olfactory volatile compounds for the sweet aroma of snake fruit, (Salacca edulis, Reinw) cv. Pondoh. Although methanol was not detected as a volatile constituent, the crude enzymes showed activity to synthesize the
Irene Ibba et al.
Die Naturwissenschaften, 97(12), 1059-1066 (2010-10-26)
The olfactory circuitry of Drosophila melanogaster is becoming increasingly clear. However, how olfactory processing translates into appropriate behavioral responses is still poorly understood. Using a sibling species approach, we tested how a perturbation in the olfactory circuitry affects odor preference.
J C Knight et al.
Journal of the American Mosquito Control Association, 7(1), 37-41 (1991-03-01)
Evidence is reviewed for a dose-dependent reversal of response in mosquito oviposition, in which a compound that attracts or stimulates oviposition may repel or deter oviposition at a higher concentration. On the basis of a review of structure-activity relationships in
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