Elaidic acid (trans-18:1n-9) (Compound)

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ID436
NameElaidic acid (trans-18:1n-9)
Synonymstrans-9-Octadecenoic acid
StructureThumb
Description
ClassificationCompounds > Diet > Lipids > Fatty acids > MUFA
CAS number112-79-8
PubChem ID637517
ChEBI ID27997
FooDB IDFDB002951
HMDB IDHMDB00573

Chemical data

MolDBi data

IUPAC Name(9Z)-octadec-9-enoic acid
Traditional IUPAC Nameoleic acid
FormulaC18H34O2
InChIInChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/b10-9+
InChI KeyZQPPMHVWECSIRJ-MDZDMXLPSA-N
Molecular weight282.4614
Exact mass282.255880332
SMILESCCCCCCCC\C=C\CCCCCCCC(O)=O

ClassyFire Taxonomy

Description belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentLong-chain fatty acids
Alternative Parents

Publications with Elaidic acid (trans-18:1n-9)

TitleFirst authorYear
Fasting whole blood as a biomarker of essential fatty acid intake in epidemiologic studies: comparison with adipose tissue and plasmaBaylin2005
Adipose tissue biomarkers of fatty acid intakeBaylin2002
Erythrocyte cell membrane phospholipid levels compared against reported dietary intakes of polyunsaturated fatty acids in pregnant Mexican womenParra2002
Assessment of trans-fatty acid intake with a food frequency questionnaire and validation with adipose tissue levels of trans-fatty acidsLemaitre1998
Assessment of a dietary questionnaire in cancer patients receiving cytotoxic chemotherapyMeyerhardt2005
Reliability of fatty acid composition in human serum phospholipidsZeleniuch-Jacquotte2000
Serum fatty acids and risk of breast cancer in a nested case-control study of the New York University Women's Health StudySaadatian-Elahi2002
Erythrocyte membrane fatty acids and subsequent breast cancer: a prospective Italian studyPala2001
Fatty-acid composition in serum phospholipids and risk of breast cancer: an incident case-control study in SwedenChajes1999
Plasma phospholipids fatty acids, dietary fatty acids, and breast cancer riskBassett2016
Association between serum trans-monounsaturated fatty acids and breast cancer risk in the E3N-EPIC StudyChajes2008
Serum fatty acids and breast cancer incidenceRissanen2003

Biomarker data

Measurements of Elaidic acid (trans-18:1n-9) in biospecimens

Concentration values

IDParent IDDepthSubject groupPopulationCountryCohortBiomarker Time definitionBiospecimenAnalytical methodBiomarkerBiomarker detailMeasurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianConverted unitAdjustment typeAdjusted onRegressed onExpressed asPublication

Reproducibility values

IDExcretion IDSubject groupPopulationCountryCohortBiomarker Time definitionBiospecimenAnalytical methodBiomarkerBiomarker detailArithmetic meanGeometric meanMedianUnitAdjusted onReproducibility sizeICCICC 95% CI lowerICC 95% CI upperCV% WSCV% BSVAR WSVAR BSPublication

Associations of Elaidic acid (trans-18:1n-9) with exposures

Correlation values

IDIntake IDExcretion IDSubject groupPopulationCountryCohortIntake Time definitionIntake Assessment methodIntakeIntake detailSupplement intakes included?Intake Arithmetic meanIntake Geometric meanIntake MedianIntake UnitIntake Adjusted onBiomarker Time definitionBiospecimenAnalytical methodBiomarkerBiomarker detailBiomarker Arithmetic meanBiomarker Geometric meanBiomarker MedianBiomarker UnitBiomarker Adjusted onCorrelation sizeCorrelation typeCorrelation valueCorrelation 95% CI lowerCorrelation 95% CI upperCorrelation p-valueSignificant?Measurement adjustmentDeattenuated?CovariatesPublication

Metabolomic associations

IDIntake IDExcretion IDSubject groupPopulationCountryCohortNo. of subjectsIntake Assessment methodIntakeIntervention doseBiospecimenAnalytical methodBiomarkerStructural identificationFeature selectionArea under curveSensitivitySpecificityPLS-DA VIPBeta coefficientBeta coefficient p-valueANOVA p-valuePublication

Associations of Elaidic acid (trans-18:1n-9) with cancer risk

Cancer associations

IDExcretion IDSubject groupPopulationCountryCohortNo. of subjectsNo. of casesNo. of controlsBiospecimenAnalytical methodBiomarkerBiomarker detailCancerStudy designPublication

Exposure data

Measurements of Elaidic acid (trans-18:1n-9) exposures in populations

Intake values

IDParent IDDepthSubject groupPopulationCountryCohortIntake Time definitionIntake assessment toolIntake food coverageIntake time coverageIntake Assessment methodIntakeIntake detailFood descriptionSupplement intakes included?Measurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianConverted unitAdjustment typeAdjusted onRegressed onExpressed asPublication

Associations of Elaidic acid (trans-18:1n-9) exposures with biomarkers

Correlation values

IDIntake IDExcretion IDSubject groupPopulationCountryCohortIntake Time definitionIntake Assessment methodIntakeIntake detailSupplement intakes included?Intake Arithmetic meanIntake Geometric meanIntake MedianIntake UnitIntake Adjusted onBiomarker Time definitionBiospecimenAnalytical methodBiomarkerBiomarker detailBiomarker Arithmetic meanBiomarker Geometric meanBiomarker MedianBiomarker UnitBiomarker Adjusted onCorrelation sizeCorrelation typeCorrelation valueCorrelation 95% CI lowerCorrelation 95% CI upperCorrelation p-valueSignificant?Measurement adjustmentDeattenuated?CovariatesPublication