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Topic: Ethyl oleate


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In the News (Mon 28 Dec 09)

  
  Ethyl Oleate USP BP Edetate Calcium Disodium, USP Edetate Disodium, Dihydrate, USP Edetic Acid, NF Epinephrine ...
Ethyl Acetate, NF Ethyl Acetate, NF 4 x 4 L
Ethyl Oleate USP NF Ethyl Orange Sodium Salt
Please click on the first letter of the name of your chemical below.
www.vgdusa.com /chemicals_e.htm   (101 words)

  
  CORK Bibliography: Maternal Drinking
Results: Ethyl oleate was the FAEE that correlated most strongly with maternal self-reported drinking, especially with the average ounces of absolute alcohol ingested per drinking day.
Ethyl oleate was most strongly related to drinking in the second and third trimesters (Pearson r =.55 and.40, respectively).
Ethyl stearate, oleate, and linoleate were below the limit of detection in >80% of all samples, whereas ethyl laurate and palmitate were detected in >50% of the samples.
www.projectcork.org /bibliographies/data/Bibliography_Maternal_Drinking.html   (5609 words)

  
 Rhosgobel: Radagast's home
When they analyzed the amount of ethyl oleate in specific body parts, they found an even larger difference: the crops of foraging bees had ~30 times the amount of ethyl oleate than the crops of nurse bees (levels in all other body parts were statistically similar).
The finding that foragers have high ethyl oleate levels in their crops suggests an extremely simple mechanism of transfer for the pheromone: when returning foragers transfer collected nectar to other workers, they also transfer the pheromone.
In hives that were fed candy with ethyl oleate, young bee maturation to foragers was delayed by approximately 2 days compared to hives fed candy that did not contain ethyl oleate (from ~18 days to ~20 days).
rhosgobel.blogspot.com /2004/12/bee-fountain-of-youth.html   (763 words)

  
 Dorlands Medical Dictionary   (Site not responding. Last check: 2007-11-01)
ethyl butyrate,   the butyric acid ester of ethyl alcohol, with the odor of pineapple, used in flavoring extracts and as a solvent.
ethyl oleate, [NF]  a mobile, practically colorless liquid consisting of esters of ethyl alcohol and high-molecular-weight fatty acids; used as a vehicle for pharmaceutical preparations.
ethyl orange,   a dye, the sodium salt of diethylaniline-azo-benzene-sulfonic acid; used as an indicator, being turned red by acids and yellow by alkalis.
merckmedicus.com /ppdocs/us/common/dorlands/dorland/dmd-e-028.htm   (1806 words)

  
 Fatty acid ethyl esters and HepG2 cells: intracellular synthesis and release from the cells -- Kabakibi et al. 39 (8): ...
Ethyl oleate was isolated from the cells and quantified to measure cellular FAEE (filled bars) and isolated from the medium to measure medium FAEE (open bars).
Ethyl oleate was extracted from the cells (A) and from the medium (B), and quantified as described under Materials and Methods.
Ethyl oleate was isolated from the medium (A) and the cells (B) and quantified as described under Materials and Methods.
www.jlr.org /cgi/content/full/39/8/1568   (9700 words)

  
 United States Patent Application: 0020032171   (Site not responding. Last check: 2007-11-01)
The pharmaceutical composition of claim 52, wherein the ester is selected from the group consisting of ethyl propionate, tributylcitrate, acetyl triethylcitrate, acetyl tributyl citrate, triethylcitrate, ethyl oleate, ethyl caprylate, ethyl butyrate, triacetin, propylene glycol monoacetate, propylene glycol diacetate,.epsilon.-caprolactone and isomers thereof,.delta.-valerolactone and isomers thereof,.beta.-butyrolactone and isomers thereof, and mixtures thereof.
The pharmaceutical composition of claim 51, wherein the solubilizer is selected from the group consisting of triacetin, triethylcitrate, ethyl oleate, ethyl caprylate, dimethylacetamide, N-methylpyrrolidone, N-hydroxyethylpyrrolidone, polyvinylpyrrolidone, hydroxypropyl methylcellulose, hydroxypropyl cyclodextrins, ethanol, polyethylene glycol 200-600, glycofurol, transcutol, propylene glycol, dimethyl isosorbide and mixtures thereof.
The pharmaceutical composition of claim 132, wherein the ester is selected from the group consisting of ethyl propionate, tributylcitrate, acetyl triethylcitrate, acetyl tributyl citrate, triethylcitrate, ethyl oleate, ethyl caprylate, ethyl butyrate, triacetin, propylene glycol monoacetate, propylene glycol diacetate,.epsilon.-caprolactone and isomers thereof,.delta.-valerolactone and isomers thereof,.beta.-butyrolactone and isomers thereof, and mixtures thereof.
appft1.uspto.gov /netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=/netahtml/PTO/search-adv.html&r=1&f=G&l=50&d=PG01&p=1&S1=20020032171&OS=20020032171&RS=20020032171   (10146 words)

  
 Ethyl oleate Definition / Ethyl oleate Research   (Site not responding. Last check: 2007-11-01)
"Ethyl" was additionally the common designation in North America for high-performance commercial gasoline containing lead in the mid 20th century.
Ethyl oleate is a suitable solvent for steroids and other lipophilic drugs.
Ethyl oleate is a surrogate for ester-based SBF, and represents a.
www.elresearch.com /Ethyl_oleate   (99 words)

  
 Satiety from fat? Adverse effects of intestinal infusion of sodium oleate -- Ramirez et al. 273 (5): 1779 -- AJP - ...
oleate is due to adverse effects of the infusion on the intestine.
of Intralipid (1.4%), or a mixture of 51 mM sodium oleate and
An intestinal segment in anesthetized rats was perfused for 12 min with saline, 51 mM sodium oleate, 1.4% Intralipid, or sodium oleate + Intralipid.
ajpregu.physiology.org /cgi/content/full/273/5/R1779   (4490 words)

  
 Good Hivekeeping   (Site not responding. Last check: 2007-11-01)
Their results demonstrate that the fatty acid ethyl oleate is a pheromone in the process and that it operates in a negative fashion—ethyl oleate slows down worker maturation rate.
Thirty times more ethyl oleate was present in forager crops compared with quantities found in the crops of nurse bees.
Under conditions when the forager population drops, ethyl oleate transfer also drops, and more nurses are “promoted” to forager status to pick up the slack.
www.acs.org /portal/a/c/s/1/feature_ent.html?id=c373e902489408158f6a17245d830100   (601 words)

  
 Fatty Acid Ethyl Esters in Hair as Markers of Alcohol Consumption. Segmental Hair Analysis of Alcoholics, Social ...
ethyl palmitate, ethyl oleate, and ethyl stearate) and the corresponding
palmitate, ethyl oleate, and ethyl stearate in the proximal
Laposata M. Fatty acid ethyl esters: short-term and long-term serum markers of ethanol intake.
www.clinchem.org /cgi/content/full/47/12/2114   (4019 words)

  
 Detecting the Biodegradation of Synthetic-Based Drilling Mud Fluids Using Cellular Fatty Acids Analysis of ...   (Site not responding. Last check: 2007-11-01)
A marine sediment was spiked with the surrogate SBF, ethyl oleate or hexadecene, in the presence or absence of a specific inhibitor of sulfate reducing activity, molybdate.
A sulfate reducing mixed culture capable of growth on ethyl oleate was enriched from marine sediment.
Oleic acid is a product of ethyl oleate hydrolysis, and therefore, oleic acid would be readily available to the ethyl oleate grown cells.
www.eih.uh.edu /publications/01annrep/roberts.htm   (759 words)

  
 FR Doc 04-3029
Additionally, there is concern that Oleate could be applied to sun- dried Natural raisins, and that the raisins could be represented as Oleates to circumvent the volume regulations that are typically in effect for Naturals.
First, the commenter contends that the Oleate varietal type was first created in 1981 through informal rulemaking, and that the rationale for creating the Oleate varietal [[Page 6917]] type in 1981 is the same as today for maintaining the varietal type (46 FR 39120; July 31, 1981).
In 1981, Oleates were considered relatively new to the U.S. industry and were developed to reduce the time required to sun-dry raisins and reduce problems associated with untimely rains.
a257.g.akamaitech.net /7/257/2422/14mar20010800/edocket.access.gpo.gov/2004/04-3029.htm   (4862 words)

  
 Molecule of the Month - Ethyl Acetate
Ethyl acetate is a member of the ester family.
Ethyl acetate itself is a colourless liquid at room temperature with a pleasant "fruity" smell, b.p.
Ethyl acetate is traditionally synthesised from by heating ethanol with ethanoic acid in the presence of a catalytic amount of a strong acid such as sulphuric acid (the "Fischer" method).
www.chm.bris.ac.uk /motm/ethylacetate/ethylacetateh.htm   (1390 words)

  
 Bee learning and communication - Wikipedia, the free encyclopedia
Younger bees play a role inside the hive while older bees play a role outside the hive mostly as foragers.
Huang's team found that forager bees gather and carry a chemical called ethyl oleate in the stomach.
As forager bees die off less of the ethyl oleate is available and nurse bees more quickly mature to become foragers.
en.wikipedia.org /wiki/Bee_learning_and_communication   (1229 words)

  
 Fatty Acid Ethyl Esters, Nonoxidative Metabolites of Ethanol, Accelerate the Kinetics of Activation of the Human Brain ...
Fatty Acid Ethyl Esters, Nonoxidative Metabolites of Ethanol, Accelerate the Kinetics of Activation of the Human Brain Delayed Rectifier K
Fatty acid ethyl esters are the major nonoxidative metabolite of ethanol in humans and represent the predominant ethanol metabolite
The conversion of oleic acid to ethyl oleate by Sf9 cells was examined by incubating Sf9 cells with 60 µCi of[9,10-
www.jbc.org /cgi/content/full/271/51/32519   (2739 words)

  
 APStracts 4:0304R, 1997.   (Site not responding. Last check: 2007-11-01)
Infusions of 25 or 51 mM sodium oleate (neutralized oleic acid) markedly and rapidly increased LDH activity, whereas infusions of saline had little or no effect.
Similarly, infusion of ethyl oleate or free (non-neutralized) oleic acid neither increased luminal LDH activity nor suppressed food intake.
The results strongly suggest that the suppression of food intake induced by intraintestinal infusion of sodium oleate is due to the injurious effects of this unphysiological form of the fatty acid.
www.uth.tmc.edu /apstracts/1997/regulatory/August/304R.html   (148 words)

  
 CORK Bibliography: Fetal Alcohol Exposure
Caprara D. Fatty acid ethyl esters and hair analysis: Biomarkers for alcohol consumption and their possible application in the diagnosis of FASD.
The measurement of fatty acid ethyl esters (FAEE) in neonatal meconium is a novel test to confirm prenatal ethanol exposure.
Isolated placental cotyledons were perfused with a mixture of four FAEE (palmitic, stearic, oleic, and linoleic acid ethyl esters) commonly detected in the meconium of neonates exposed to ethanol in utero, and the transfer of FAEE to the fetal unit was investigated in the absence and presence of albumin.
www.projectcork.org /bibliographies/data/Bibliography_FetalAlcoholExposure.html   (11662 words)

  
 [No title]   (Site not responding. Last check: 2007-11-01)
Scientists have investigated an ester of an unsaturated acid called ethyl oleate.
The body makes this from oleic acid, a natural fatty acid, and the ethanol ("alcohol") from drinks; fatty acid ethyl esters are the major metabolites of ethanol in neural tissues.
They found that ethyl oleate speeds up the release of potassium ions from brain cells, which in turn slows down the release of neurotransmitters that the body uses to pass on messages.
www.tlchm.bris.ac.uk /motm/ethylacetate/unsat.htm   (155 words)

  
 Markers to Detect Drinking During Pregnancy   (Site not responding. Last check: 2007-11-01)
In meconium samples from infants born to nonalcoholic mothers, the presence of one FAEE, ethyl linoleate, was associated with higher weekly levels of alcohol use (based on self-report) during the month prior to pregnancy, in the first trimester, and overall.
In further studies, researchers found that the quantities of two of the FAEEs, ethyl oleate and ethyl linoleate, correlated with the mothers reported drinking in a dose-dependent manner.
Ethyl glucuronide can be detected in the blood, urine, and hair.
www.niaaa.nih.gov /publications/arh25-3/210-218.htm   (5667 words)

  
 Patent 6,077,528
[Preparation of acrylic copolymer A] 2-Ethylhexyl acrylate (95 parts) and acrylic acid (5 parts) were copolymerized in ethyl acetate under an inert gas atmosphere to prepare an acrylic copolymer A solution.
[Preparation of acrylic copolymer B] 2-Ethylhexyl acrylate (72 parts), N-vinyl 2-pyrrolidone (25 parts) and acrylic acid (3 parts) were copolymerized in ethyl acetate under an inert gas atmosphere to prepare an acrylic copolymer B solution.
The acrylic copolymer was recovered, re-dissolved in ethyl acetate and used.
www.pharmcast.com /Patents/062000OG/6077528_Percutaneous062000.htm   (2890 words)

  
 My Bees
After many dead ends, the group came upon a crucial difference between forager bees and nurse bees: Forager bees carry a mother load of a chemical called ethyl oleate in the abdominal reservoir in which they store nectar.
The forager bees feed the chemical to the worker bees, and the ethyl oleate keeps them in a teenage state, sort of like being grounded to watch the younger siblings.
Eliminate ethyl oleate and the bees mature into foragers.
www.my-bees.com /printarticle24.html   (763 words)

  
 Red blood cell fatty acid ethyl esters: a significant component of fatty acid ethyl esters in the blood -- Best et al. ...
Pancreatic injury induced by fatty acid ethyl ester, a nonoxidative metabolite of alcohol.
Fatty acid ethyl esters in the blood as markers for ethanol intake.
The hydrolysis of fatty acid ethyl esters in low-density lipoproteins by red blood cells, white blood cells and platelets.
www.jlr.org /cgi/content/full/44/3/612   (4658 words)

  
 Patent 4338446
Preferred embodiments are those of formula I where R is hydrogen, methyl or ethyl, R' is carbamyl or aminocarbamyl and PY is 4-pyridinyl or 3-pyridinyl.
The filtrate was basified with 10% aqueous potassium carbonate and the alkaline mixture was extracted with chloroform and the chloroform extract heated in vacuo to remove the solvent.
Alternatively, the lactate or hydrochloride acid-addition salt of ethyl 2,3-dihydro-2-methyl-3-oxo-6-(4-pyridinyl)-4-pyridazinecarboxylate is conveniently prepared in aqueous solution by adding to water with stirring molar equivalent quantities each of ethyl 2,3-dihydro-2-methyl-3-oxo-6-(4-pyridinyl)-4-pyridazinecarboxylate and lactic acid or hydrochloric acid, respectively.
www.freepatentsonline.com /4338446.html   (6467 words)

  
 Grow-Slow Potion: Pheromone keeps bee youngsters youthful: Science News Online, Dec. 4, 2004   (Site not responding. Last check: 2007-11-01)
That pheromone turns out to include ethyl oleate, possibly conveyed to the teens during mouth-to-mouth food transfer, Robinson and an international team of colleagues report in an upcoming Proceedings of the National Academy of Sciences.
At least five lines of chemical inquiry dead-ended before the researchers focused on ethyl oleate as a potential pheromone component, Robinson says.
The researchers fed candy laced with ethyl oleate to bees from two of three age-matched colonies.
www.sciencenews.org /articles/20041204/fob2.asp   (614 words)

  
 Stratford-upon-Avon & District Beekeepers' Association: January 2005 Newsletter
Forager bees load up on ethyl oleate when they forage, but they do not digest it.
The forager bees feed the chemical to the nurse bees and the ethyl oleate keeps them in a 'young' state.
After reading the report I wondered if ethyl oleate (EO) was really a pheromone or whether it was simply a component of nectar.
www.stratford-upon-avon.freeserve.co.uk /Newsletters/January2005.htm   (1456 words)

  
 Preanalytical Variables Affecting the Quantification of Fatty Acid Ethyl Esters in Plasma and Serum Samples -- ...
Fatty acid ethyl esters: non-oxidative metabolites of ethanol.
Pancreatic injury in rats induced by fatty acid ethyl ester, a nonoxidative metabolite of alcohol.
Reduced fatty acid ethyl ester synthase activity in white blood cells of alcoholics.
www.clinchem.org /cgi/content/full/45/12/2183   (3764 words)

  
 [Frontiers in Bioscience 8, e202-217, January 1, 2003]
Serum fatty acid ethyl ester (FAEE) and ethanol levels 24 hours after the initiation of ethanol ingestion and 22.5 hours after cessation.
Detection and quantitation of fatty acid ethyl esters in serum by single ion monitoring.
Base ions 67, 88 and 101 are selected for ethyl palmitate (E16:0), ethyl palmitoleate (E16:1), ethyl heptadecanoate (E17:0-the internal standard), ethyl stearate (E18:0), ethyl oleate (E18:1), ethyl linoleate (18:2); and ions 79 and 91 are selected for ethyl arachidonate (E20:4).
www.bioscience.org /2003/v8/e/931/figures.htm   (316 words)

  
 Posters-2A   (Site not responding. Last check: 2007-11-01)
We hypothesized that the amount or type of fatty acid ethyl esters (FAEE), non-oxidative metabolites of ethanol, could be used to diagnose an intoxicated individual as a chronic alcoholic.
Fatty acid ethyl esters (FAEE) are toxic metabolites of fatty acids and ethanol (ETOH).
In the pancreas, the ratio of ethy oleate (E18:0) to ethyl linoleate (18:2) in wild type mice was 0.7 and in CF mice the ratio was 1.9, reflecting an increase in E18:1 production in the CF mice.
www.issfal.org.uk /posters-2a.htm   (9516 words)

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