Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2005-11-16 15:48:42 UTC |
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Update Date | 2022-03-07 02:49:03 UTC |
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HMDB ID | HMDB0000573 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Elaidic acid |
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Description | Elaidic acid, also known as (9E)-octadecenoic acid, 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. Elaidic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Elaidic acid is the major trans fat found in hydrogenated vegetable oils and occurs in small amounts in caprine and bovine milk (very roughly 0.1 % of the fatty acids) and some meats. It is the trans isomer of oleic acid. The name of the elaidinization reaction comes from elaidic acid. Elaidic acid increases CETP activity, which in turn raises VLDL and lowers HDL cholesterol (Wikipedia ). |
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Structure | CCCCCCCC\C=C\CCCCCCCC(O)=O InChI=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+ |
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Synonyms | Value | Source |
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(9E)-Octadecenoic acid | ChEBI | (e)-Oleic acid | ChEBI | 9-OCTADECENOIC ACID | ChEBI | 9-trans-Octadecenoic acid | ChEBI | Acide elaidique | ChEBI | D9-trans-Octadecenoic acid | ChEBI | Elaidinsaure | ChEBI | Elaidinsaeure | ChEBI | trans-9-Octadecenoic acid | ChEBI | trans-D9-Octadecenoic acid | ChEBI | trans-Delta(9)-Octadecenoic acid | ChEBI | trans-Elaidic acid | ChEBI | trans-Oleic acid | ChEBI | (9E)-Octadecenoate | Generator | (e)-Oleate | Generator | 9-OCTADECENOate | Generator | 9-trans-Octadecenoate | Generator | D9-trans-Octadecenoate | Generator | trans-9-Octadecenoate | Generator | trans-D9-Octadecenoate | Generator | trans-delta(9)-Octadecenoate | Generator | trans-Δ(9)-octadecenoate | Generator | trans-Δ(9)-octadecenoic acid | Generator | trans-Elaidate | Generator | trans-Oleate | Generator | Elaidate | Generator | FA(18:1(9E)) | HMDB | 9-Elaidate | HMDB | 18:1 N-9 | HMDB | C18:1 N-9 | HMDB | Octadec-9-enoic acid | HMDB | Octadec-9-enoate | HMDB | 9,10-Octadecenoate | HMDB | 9,10-Octadecenoic acid | HMDB | Acid, 9-octadecenoic | HMDB | 9 Octadecenoic acid | HMDB | (9E)-9-Octadecenoic acid | HMDB | (e)-9-Octadecenoic acid | HMDB | 9-trans-Oleic acid | HMDB | Elaidinic acid | HMDB | delta9-trans-Octadecenoic acid | HMDB | trans-delta9-Octadecenoic acid | HMDB | trans-Δ9-octadecenoic acid | HMDB | Δ9-trans-octadecenoic acid | HMDB | Elaidic acid | KEGG |
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Chemical Formula | C18H34O2 |
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Average Molecular Weight | 282.4614 |
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Monoisotopic Molecular Weight | 282.255880332 |
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IUPAC Name | (9E)-octadec-9-enoic acid |
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Traditional Name | elaidic acid |
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CAS Registry Number | 112-79-8 |
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SMILES | CCCCCCCC\C=C\CCCCCCCC(O)=O |
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InChI Identifier | InChI=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+ |
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InChI Key | ZQPPMHVWECSIRJ-MDZDMXLPSA-N |
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Chemical Taxonomy |
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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. |
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Kingdom | Organic compounds |
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Super Class | Lipids and lipid-like molecules |
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Class | Fatty Acyls |
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Sub Class | Fatty acids and conjugates |
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Direct Parent | Long-chain fatty acids |
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Alternative Parents | |
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Substituents | - Long-chain fatty acid
- Unsaturated fatty acid
- Straight chain fatty acid
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aliphatic acyclic compound
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Molecular Framework | Aliphatic acyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | |
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Role | |
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Physical Properties |
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State | Liquid |
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Experimental Molecular Properties | |
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Experimental Chromatographic Properties | Experimental Collision Cross Sections |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Retention Times UnderivatizedChromatographic Method | Retention Time | Reference |
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Measured using a Waters Acquity ultraperformance liquid chromatography (UPLC) ethylene-bridged hybrid (BEH) C18 column (100 mm × 2.1 mm; 1.7 μmparticle diameter). Predicted by Afia on May 17, 2022. Predicted by Afia on May 17, 2022. | 10.69 minutes | 32390414 | Predicted by Siyang on May 30, 2022 | 24.6377 minutes | 33406817 | Predicted by Siyang using ReTip algorithm on June 8, 2022 | 1.82 minutes | 32390414 | AjsUoB = Accucore 150 Amide HILIC with 10mM Ammonium Formate, 0.1% Formic Acid | 37.4 seconds | 40023050 | Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid | 3166.8 seconds | 40023050 | Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid | 680.1 seconds | 40023050 | Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid | 266.1 seconds | 40023050 | Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid | 397.1 seconds | 40023050 | RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 616.9 seconds | 40023050 | Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid | 1075.3 seconds | 40023050 | BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid | 867.3 seconds | 40023050 | HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate) | 97.5 seconds | 40023050 | UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid | 2302.5 seconds | 40023050 | BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid | 663.8 seconds | 40023050 | UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid | 1942.3 seconds | 40023050 | SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 848.8 seconds | 40023050 | RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid | 520.2 seconds | 40023050 | MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate | 710.5 seconds | 40023050 | KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA | 638.2 seconds | 40023050 | Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water | 8.1 seconds | 40023050 |
Predicted Kovats Retention IndicesUnderivatizedDerivatized |
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Disease References | Colorectal cancer |
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- Weir TL, Manter DK, Sheflin AM, Barnett BA, Heuberger AL, Ryan EP: Stool microbiome and metabolome differences between colorectal cancer patients and healthy adults. PLoS One. 2013 Aug 6;8(8):e70803. doi: 10.1371/journal.pone.0070803. Print 2013. [PubMed:23940645 ]
- Ni Y, Xie G, Jia W: Metabonomics of human colorectal cancer: new approaches for early diagnosis and biomarker discovery. J Proteome Res. 2014 Sep 5;13(9):3857-70. doi: 10.1021/pr500443c. Epub 2014 Aug 14. [PubMed:25105552 ]
- Wang X, Wang J, Rao B, Deng L: Gut flora profiling and fecal metabolite composition of colorectal cancer patients and healthy individuals. Exp Ther Med. 2017 Jun;13(6):2848-2854. doi: 10.3892/etm.2017.4367. Epub 2017 Apr 20. [PubMed:28587349 ]
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General References | - Andrei G, Snoeck R, Neyts J, Sandvold ML, Myhren F, De Clercq E: Antiviral activity of ganciclovir elaidic acid ester against herpesviruses. Antiviral Res. 2000 Mar;45(3):157-67. [PubMed:10771080 ]
- Stachowska E, Dolegowska B, Chlubek D, Wesolowska T, Ciechanowski K, Gutowski P, Szumilowicz H, Turowski R: Dietary trans fatty acids and composition of human atheromatous plaques. Eur J Nutr. 2004 Oct;43(5):313-8. Epub 2004 Jan 27. [PubMed:15309454 ]
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