Mead acid (cis-20:3n-9) (Compound)

Go to Compound classification
ID318
NameMead acid (cis-20:3n-9)
Synonymsall-cis-5,8,11-Eicosatrienoic acid
StructureThumb
Description
ClassificationCompounds > Diet > Lipids > Fatty acids > PUFA
CAS number20590-32-3
PubChem ID5312531
ChEBI ID72865
FooDB IDFDB027529
HMDB IDHMDB10378

Chemical data

MolDBi data

IUPAC Name(5Z,8Z,11Z)-icosa-5,8,11-trienoic acid
Traditional IUPAC Namemead acid
FormulaC20H34O2
InChIInChI=1S/C20H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h9-10,12-13,15-16H,2-8,11,14,17-19H2,1H3,(H,21,22)/b10-9-,13-12-,16-15-
InChI KeyUNSRRHDPHVZAHH-YOILPLPUSA-N
Molecular weight306.4828
Exact mass306.255880332
SMILESCCCCCCCC\C=C/C\C=C/C\C=C/CCCC(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 Mead acid (cis-20:3n-9)

TitleFirst authorYear
Plasma n-6 and n-3 polyunsaturated fatty acids as biomarkers of their dietary intakes: a cross-sectional study within a cohort of middle-aged French men and womenAstorg2008
Serum phospholipid fatty acid composition and habitual intake of marine foods registered by a semi-quantitative food frequency questionnaireHjartaker1997
Fatty acid composition of subcutaneous adipose tissue and diet in postmenopausal US womenLondon1991
Prospective associations between plasma saturated, monounsaturated and polyunsaturated fatty acids and overall and breast cancer risk - modulation by antioxidants: a nested case-control studyPouchieu2014

Biomarker data

Measurements of Mead acid (cis-20:3n-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 Mead acid (cis-20:3n-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 Mead acid (cis-20:3n-9) with cancer risk

Cancer associations

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

Exposure data

Measurements of Mead acid (cis-20:3n-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 Mead acid (cis-20:3n-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