Linoelaidic acid (trans-18:2n-6) (Compound)

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ID304
NameLinoelaidic acid (trans-18:2n-6)
Synonymsall-trans-9,12-Octadecadienoic acid; 9trans,12trans-18:2n-6
Structure
Description
ClassificationCompounds > Diet > Lipids > Fatty acids > PUFA
CAS number506-21-8
PubChem ID5282457
ChEBI ID75108
FooDB IDFDB023868
HMDB IDHMDB06270

Chemical data

MolDBi data

IUPAC Name(9E,12E)-octadeca-9,12-dienoic acid
Traditional IUPAC Namelinoelaidic acid
FormulaC18H32O2
InChIInChI=1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h6-7,9-10H,2-5,8,11-17H2,1H3,(H,19,20)/b7-6+,10-9+
InChI KeyOYHQOLUKZRVURQ-AVQMFFATSA-N
Molecular weight280.4455
Exact mass280.240230268
SMILESCCCCC\C=C\C\C=C\CCCCCCCC(O)=O

ClassyFire Taxonomy

Description belongs to the class of organic compounds known as lineolic acids and derivatives. These are derivatives of lineolic acid. Lineolic acid is a polyunsaturated omega-6 18 carbon long fatty acid, with two CC double bonds at the 9- and 12-positions.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassLineolic acids and derivatives
Direct ParentLineolic acids and derivatives
Alternative Parents

Publications with Linoelaidic acid (trans-18:2n-6)

TitleFirst authorYear
Comparison between plasma and erythrocyte fatty acid content as biomarkers of fatty acid intake in US womenSun2007
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
Fatty acid composition of subcutaneous adipose tissue and diet in postmenopausal US womenLondon1991
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
A prospective evaluation of plasma phospholipid fatty acids and breast cancer risk in the EPIC studyChajes2017
Association between serum trans-monounsaturated fatty acids and breast cancer risk in the E3N-EPIC StudyChajes2008

Biomarker data

Measurements of Linoelaidic acid (trans-18:2n-6) 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 Linoelaidic acid (trans-18:2n-6) 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 Linoelaidic acid (trans-18:2n-6) with cancer risk

Cancer associations

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

Exposure data

Measurements of Linoelaidic acid (trans-18:2n-6) 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 Linoelaidic acid (trans-18:2n-6) 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