Record Information |
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Version | 2.0 |
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Created at | 2022-03-10 18:53:08 UTC |
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Updated at | 2022-03-10 22:22:29 UTC |
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NP-MRD ID | NP0045037 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | Stearidonic acid |
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Description | Stearidonic acid, also known as SDA or stearidonate, belongs to the class of organic compounds known as lineolic acids and derivatives. These are derivatives of lineolic acid. Stearidonic acid is a very hydrophobic molecule, practically insoluble in water, and relatively neutral. It is biosynthesized from linolenic acid by the enzyme delta-6-desaturase. Natural sources of this fatty acid are the seed oils of hemp, blackcurrant and echium, and the cyanobacterium spirulina (a rich source of vitamins and minerals). Stearidonic acid is found in dietary plant oils which are metabolized to longer-chain, more unsaturated (n-3) polyunsaturated fatty acids (PUFA). These oils appear to possess hypotriglyceridemic properties typically associated with fish oils (PMID: 15173404 ). Stearidonic acid may be used as a precursor to increase the eicosapentaenoic acid (EPA) content of human lipids and that combinations of gamma-linolenic acid and stearidonic acid can be used to manipulate the fatty acid compositions of lipid pools in subtle ways. Such effects may offer new strategies for manipulation of cell composition to influence cellular responses and functions in desirable ways (PMID: 15120716 ). |
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Structure | CC\C=C/C\C=C/C\C=C/C\C=C/CCCCC(O)=O InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- |
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Synonyms | Value | Source |
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(6Z,9Z,12Z,15Z)-Octadecatetraenoic acid | ChEBI | 6,9,12,15-Octadecatetraenoic acid | ChEBI | SDA | ChEBI | 6Z,9Z,12Z,15Z-Octadecatetraenoic acid | Kegg | (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoic acid | Kegg | (6Z,9Z,12Z,15Z)-Octadecatetraenoate | Generator | 6,9,12,15-Octadecatetraenoate | Generator | 6Z,9Z,12Z,15Z-Octadecatetraenoate | Generator | (6Z,9Z,12Z,15Z)-Octadeca-6,9,12,15-tetraenoate | Generator | Stearidonate | Generator | Stearidonic acid C18:4 | HMDB | FA(18:4(6Z,9Z,12Z,15Z)) | HMDB | FA(18:4n3) | HMDB | Moroctic acid | HMDB |
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Chemical Formula | C18H28O2 |
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Average Mass | 276.4137 Da |
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Monoisotopic Mass | 276.20893 Da |
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IUPAC Name | (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoic acid |
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Traditional Name | stearidonic acid |
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CAS Registry Number | 20290-75-9 |
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SMILES | CC\C=C/C\C=C/C\C=C/C\C=C/CCCCC(O)=O |
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InChI Identifier | InChI=1S/C18H28O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,6-7,9-10,12-13H,2,5,8,11,14-17H2,1H3,(H,19,20)/b4-3-,7-6-,10-9-,13-12- |
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InChI Key | JIWBIWFOSCKQMA-LTKCOYKYSA-N |
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Experimental Spectra |
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| Not Available | Predicted Spectra |
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| Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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1D NMR | 13C NMR Spectrum (1D, 25 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| Chemical Shift Submissions |
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| Not Available | Species |
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Species of Origin | |
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Chemical Taxonomy |
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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. |
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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 | Lineolic acids and derivatives |
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Direct Parent | Lineolic acids and derivatives |
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Alternative Parents | |
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Substituents | - Octadecanoid
- Long-chain fatty acid
- 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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Physical Properties |
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State | Not Available |
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Experimental Properties | Property | Value | Reference |
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Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Predicted Properties | |
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