Record Information |
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Version | 1.0 |
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Creation date | 2010-04-08 22:05:35 UTC |
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Update date | 2020-09-17 15:33:14 UTC |
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Primary ID | FDB002952 |
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Secondary Accession Numbers | |
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Chemical Information |
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FooDB Name | Vaccenic acid |
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Description | Cis-Vaccenic acid, (11Z)-11-octadecenoic acid, 18:1 cis-11, also known as vaccenate or asclepic acid, is an isomer of vaccenic acid. It 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. Cis-Vaccenic acid is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. Cis-Vaccenic acid, an omega-7 fatty acid, is a naturally occurring trans fatty acid found in Sea Buckthorn (Hippophae rhamnoides) oil. Vaccenic acid was first discovered in 1928 in animal fats and butter. Mammals convert it into rumenic acid, a conjugated linoleic acid. In a study of chemically induced mammary carcinogenesis in rats, vaccenic acid, when converted to cis-9, trans-11 conjugated linoleic acid (CLA) by delta 9-desaturase, had anticarcinogenic properties (PMID: 15465769). |
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CAS Number | 693-72-1 |
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Structure | |
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Synonyms | Synonym | Source |
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(Z)-11-Octadecenoic acid | ChEBI | (Z)-Octadec-11-enoic acid | ChEBI | Asclepic acid | ChEBI | cis-Octadec-11-enoic acid | ChEBI | VACCENIC ACID | ChEBI | (Z)-11-Octadecenoate | Generator | (Z)-Octadec-11-enoate | Generator | Asclepate | Generator | cis-Octadec-11-enoate | Generator | VACCENate | Generator | cis-11-Octadecenoate | Generator | cis-11-Octadecenoic acid | ChEBI | (11Z)-Octadecenoate | HMDB | (11Z)-Octadecenoic acid | HMDB | 11-Octadecenoate | HMDB | 11-Octadecenoic acid | HMDB | 11Z-Octadecenoate | HMDB | 11Z-Octadecenoic acid | HMDB | cis-Vaccenate | Generator | (11E)-Octadecenoate | biospider | (11E)-Octadecenoic acid | biospider | (E)-11-Octadecenoic acid | manual | (E)-Octadec-11-enoate | biospider | (E)-Octadec-11-enoic acid | biospider | 11-Octadecenoic acid, (E)- | biospider | 11E-Octadecenoate | biospider | 11E-Octadecenoic acid | biospider | 11t-Octadececonoic acid | manual | 18:1 trans-11 | manual | C18:1n-7 | manual | trans-11-Octadecenoate | biospider | trans-11-Octadecenoic acid | biospider | trans-11-Octadecensaeure | ChEBI | trans-18:1n-7 | manual | Vaccenate | biospider | Vaccenic acid | db_source |
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Predicted Properties | |
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Chemical Formula | C18H34O2 |
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IUPAC name | (11Z)-octadec-11-enoic acid |
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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/h7-8H,2-6,9-17H2,1H3,(H,19,20)/b8-7- |
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InChI Key | UWHZIFQPPBDJPM-FPLPWBNLSA-N |
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Isomeric SMILES | CCCCCC\C=C/CCCCCCCCCC(O)=O |
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Average Molecular Weight | 282.4614 |
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Monoisotopic Molecular Weight | 282.255880332 |
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Classification |
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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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Foods | Dairy products Meats: |
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Physico-Chemical Properties |
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Physico-Chemical Properties - Experimental | Property | Value | Reference |
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Physical state | Solid | |
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Physical Description | Not Available | |
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Mass Composition | C 76.54%; H 12.13%; O 11.33% | DFC |
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Melting Point | Mp 43.5-44.1° | DFC |
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Boiling Point | Not Available | |
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Experimental Water Solubility | Not Available | |
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Experimental logP | Not Available | |
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Experimental pKa | Not Available | |
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Isoelectric point | Not Available | |
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Charge | -1 | |
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Optical Rotation | Not Available | |
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Spectroscopic UV Data | Not Available | |
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Density | Not Available | |
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Refractive Index | Not Available | |
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Spectra |
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Spectra | |
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EI-MS/GC-MS | Type | Description | Splash Key | View |
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EI-MS | Mass Spectrum (Electron Ionization) | splash10-0apl-9200000000-f39f178414756ab6ad8a | 2015-03-01 | View Spectrum | Predicted GC-MS | Vaccenic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0006-9740000000-12d0456cbe2e20785a59 | Spectrum | Predicted GC-MS | Vaccenic acid, 1 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00g0-9541000000-161e2d96dfa373186655 | Spectrum | Predicted GC-MS | Vaccenic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | Vaccenic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum |
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MS/MS | Type | Description | Splash Key | View |
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MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated) | splash10-001i-0090000000-dee621bf09f57d88e5ed | 2012-07-25 | View Spectrum | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-001i-9340000000-654e2ea72d5477e26606 | 2012-07-25 | View Spectrum | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-0aou-9000000000-413d3363f22e7baf1df7 | 2012-07-25 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QFT , negative | splash10-001i-0090000000-58579e8fd3d4191bcfad | 2020-07-21 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF 35V, negative | splash10-001i-0090000000-c103acdc552ec63933b3 | 2020-07-21 | View Spectrum | MS/MS | LC-MS/MS Spectrum - n/a 19V, negative | splash10-03di-0090000000-65d62db890dca1a5d687 | 2020-07-21 | View Spectrum | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-001i-0090000000-da9002214663921b23ee | 2021-09-20 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-00lr-0090000000-1f781254725896ac3b8d | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0079-5590000000-f37f297862ce49aba569 | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-006x-9830000000-9d6de2e63255b7b0f435 | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-001i-0090000000-431aee5e7f472babb97b | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-001r-1090000000-0721ddce5ca61545b4dd | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4l-9230000000-504045e17f7775e10a62 | 2017-07-26 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-001i-0090000000-8b8562cadde7e7a8ba4f | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-01q9-1090000000-827ccf4b0fb321cd543d | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9220000000-9024da2ccb79132d937a | 2021-09-23 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-00lr-4290000000-ef21daa5591bbeb17f87 | 2021-09-25 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-067j-9310000000-8cc733ca58b618258ca0 | 2021-09-25 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0aou-9000000000-60e1d3c5c8de0e9f209c | 2021-09-25 | View Spectrum |
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NMR | Type | Description | | View |
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1D NMR | 1H NMR Spectrum (1D, 500 MHz, CDCl3, experimental) | | Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, CDCl3, experimental) | | Spectrum |
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External Links |
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ChemSpider ID | 4445888 |
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ChEMBL ID | Not Available |
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KEGG Compound ID | C08367 |
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Pubchem Compound ID | 5282761 |
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Pubchem Substance ID | Not Available |
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ChEBI ID | Not Available |
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Phenol-Explorer ID | Not Available |
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DrugBank ID | DB04801 |
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HMDB ID | HMDB03231 |
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CRC / DFC (Dictionary of Food Compounds) ID | GMW04-B:CPM62-W |
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EAFUS ID | Not Available |
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Dr. Duke ID | Not Available |
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BIGG ID | 2217962 |
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KNApSAcK ID | C00001240 |
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HET ID | VCA |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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Flavornet ID | Not Available |
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GoodScent ID | Not Available |
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SuperScent ID | Not Available |
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Wikipedia ID | Not Available |
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Phenol-Explorer Metabolite ID | Not Available |
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Duplicate IDS | Not Available |
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Old DFC IDS | Not Available |
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Associated Foods |
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Food | Content Range | Average | Reference |
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Food | | | Reference |
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Biological Effects and Interactions |
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Health Effects / Bioactivities | Not Available |
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Enzymes | Not Available |
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Pathways | Not Available |
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Metabolism | Not Available |
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Biosynthesis | Not Available |
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Organoleptic Properties |
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Flavours | Not Available |
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Files |
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MSDS | show |
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References |
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Synthesis Reference | Not Available |
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General Reference | Not Available |
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Content Reference | — Saxholt, E., et al. 'Danish food composition databank, revision 7.' Department of Nutrition, National Food Institute, Technical University of Denmark (2008). — U.S. Department of Agriculture, Agricultural Research Service. 2008. USDA National Nutrient Database for Standard Reference, Release 21. Nutrient Data Laboratory Home Page.
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