Record Information |
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Version | 5.0 |
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Status | Detected and Quantified |
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Creation Date | 2006-05-22 14:17:29 UTC |
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Update Date | 2023-02-21 17:15:59 UTC |
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HMDB ID | HMDB0001964 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Caffeic acid |
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Description | Caffeic acid, also known as trans-caffeate or sodium caffeate, belongs to the class of organic compounds known as hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. The trans-isomer of caffeic acid. Caffeic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Caffeic acid has been detected, but not quantified in, several different foods, such as dandelions, green beans, common grapes, common beans, and sweet cherries. This could make caffeic acid a potential biomarker for the consumption of these foods. |
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Structure | OC(=O)\C=C\C1=CC(O)=C(O)C=C1 InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2+ |
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Synonyms | Value | Source |
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3,4-Dihydroxy-trans-cinnamate | ChEBI | 3,4-Dihydroxycinnamic acid | ChEBI | trans-Caffeate | ChEBI | 3,4-Dihydroxy-trans-cinnamic acid | Generator | 3,4-Dihydroxycinnamate | Generator | Caffeate | Generator | Caffeic acid, monosodium salt | HMDB | Caffeic acid, (e)-isomer | HMDB | Sodium caffeate | HMDB | (2E)-(3,4-Dihydroxyphenyl)-2-propenoic acid | HMDB | (2E)-3-(3,4-Dihydroxyphenyl)-2-propenoic acid | HMDB | (e)-3,4-Dihydroxycinnamic acid | HMDB | (e)-3-(3,4-Dihydroxyphenyl)-2-propenoic acid | HMDB | (e)-3-(3,4-Dihydroxyphenyl)acrylic acid | HMDB | (e)-Caffeic acid | HMDB | 3,4-Dihydroxybenzeneacrylic acid | HMDB | 3-(3,4-Dihydroxyphenyl)-2-propenoic acid | HMDB | 3-(3,4-Dihydroxyphenyl)propenoic acid | HMDB | 4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene | HMDB | 4-(2-Carboxyethenyl)-1,2-dihydroxybenzene | HMDB | 4-(2’-carboxyvinyl)-1,2-dihydroxybenzene | HMDB | DHCA | HMDB | trans-3,4-Dihydroxycinnamic acid | HMDB | Caffeic acid | HMDB | 3',4'-Dihydroxycinnamic acid | HMDB | (2E)-3-(3,4-Dihydroxyphenyl)prop-2-enoic acid; | HMDB |
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Chemical Formula | C9H8O4 |
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Average Molecular Weight | 180.1574 |
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Monoisotopic Molecular Weight | 180.042258744 |
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IUPAC Name | (2E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid |
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Traditional Name | caffeic acid |
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CAS Registry Number | 501-16-6 |
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SMILES | OC(=O)\C=C\C1=CC(O)=C(O)C=C1 |
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InChI Identifier | InChI=1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2+ |
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InChI Key | QAIPRVGONGVQAS-DUXPYHPUSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as hydroxycinnamic acids. Hydroxycinnamic acids are compounds containing an cinnamic acid where the benzene ring is hydroxylated. |
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Kingdom | Organic compounds |
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Super Class | Phenylpropanoids and polyketides |
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Class | Cinnamic acids and derivatives |
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Sub Class | Hydroxycinnamic acids and derivatives |
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Direct Parent | Hydroxycinnamic acids |
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Alternative Parents | |
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Substituents | - Cinnamic acid
- Coumaric acid or derivatives
- Hydroxycinnamic acid
- Catechol
- Styrene
- 1-hydroxy-4-unsubstituted benzenoid
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Monocyclic benzene moiety
- Benzenoid
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Organic oxide
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic 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 | Not Available |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 225 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | 1.15 | SANGSTER (1993) |
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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 Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Caffeic acid,1TMS,isomer #1 | C[Si](C)(C)OC(=O)/C=C/C1=CC=C(O)C(O)=C1 | 2182.0 | Semi standard non polar | 33892256 | Caffeic acid,1TMS,isomer #2 | C[Si](C)(C)OC1=CC(/C=C/C(=O)O)=CC=C1O | 2036.4 | Semi standard non polar | 33892256 | Caffeic acid,1TMS,isomer #3 | C[Si](C)(C)OC1=CC=C(/C=C/C(=O)O)C=C1O | 2059.3 | Semi standard non polar | 33892256 | Caffeic acid,2TMS,isomer #1 | C[Si](C)(C)OC(=O)/C=C/C1=CC=C(O[Si](C)(C)C)C(O)=C1 | 2100.4 | Semi standard non polar | 33892256 | Caffeic acid,2TMS,isomer #2 | C[Si](C)(C)OC(=O)/C=C/C1=CC=C(O)C(O[Si](C)(C)C)=C1 | 2086.1 | Semi standard non polar | 33892256 | Caffeic acid,2TMS,isomer #3 | C[Si](C)(C)OC1=CC=C(/C=C/C(=O)O)C=C1O[Si](C)(C)C | 2090.2 | Semi standard non polar | 33892256 | Caffeic acid,3TMS,isomer #1 | C[Si](C)(C)OC(=O)/C=C/C1=CC=C(O[Si](C)(C)C)C(O[Si](C)(C)C)=C1 | 2131.4 | Semi standard non polar | 33892256 | Caffeic acid,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)/C=C/C1=CC=C(O)C(O)=C1 | 2426.0 | Semi standard non polar | 33892256 | Caffeic acid,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC(/C=C/C(=O)O)=CC=C1O | 2319.3 | Semi standard non polar | 33892256 | Caffeic acid,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC1=CC=C(/C=C/C(=O)O)C=C1O | 2338.2 | Semi standard non polar | 33892256 | Caffeic acid,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)/C=C/C1=CC=C(O[Si](C)(C)C(C)(C)C)C(O)=C1 | 2644.7 | Semi standard non polar | 33892256 | Caffeic acid,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)/C=C/C1=CC=C(O)C(O[Si](C)(C)C(C)(C)C)=C1 | 2606.5 | Semi standard non polar | 33892256 | Caffeic acid,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC1=CC=C(/C=C/C(=O)O)C=C1O[Si](C)(C)C(C)(C)C | 2647.2 | Semi standard non polar | 33892256 | Caffeic acid,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)/C=C/C1=CC=C(O[Si](C)(C)C(C)(C)C)C(O[Si](C)(C)C(C)(C)C)=C1 | 2874.1 | Semi standard non polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental GC-MS | GC-MS Spectrum - Caffeic acid GC-MS (3 TMS) | splash10-014i-1593000000-b24e97b50ed1f50252f3 | 2014-06-16 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Caffeic acid EI-B (Non-derivatized) | splash10-001i-9800000000-bae43e98e22babcbf5a7 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Caffeic acid EI-B (Non-derivatized) | splash10-000i-9600000000-6140146b8e32bda5e3c9 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Caffeic acid GC-EI-TOF (Non-derivatized) | splash10-014i-0593000000-16610dfa8ac4ac67a4c2 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Caffeic acid GC-MS (Non-derivatized) | splash10-014i-1593000000-b24e97b50ed1f50252f3 | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Experimental GC-MS | GC-MS Spectrum - Caffeic acid GC-EI-TOF (Non-derivatized) | splash10-014i-0592000000-1bb03bc99be6718d247e | 2017-09-12 | HMDB team, MONA, MassBank | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Caffeic acid GC-MS (Non-derivatized) - 70eV, Positive | splash10-001i-1900000000-6a963e50b910f05b6825 | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Caffeic acid GC-MS (3 TMS) - 70eV, Positive | splash10-00e9-5039000000-d55c6a31e04536d33b58 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Caffeic acid GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 20V, Negative-QTOF | splash10-000i-0900000000-90ad608487db4c112469 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 20V, Negative-QTOF | splash10-001i-0900000000-dcc07d9a43defb5683a0 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Negative-QTOF | splash10-000i-0900000000-762c7a39be8e2819bc51 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Negative-QTOF | splash10-0019-4900000000-e716811ee5cf56acce9e | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Negative-QTOF | splash10-000i-0900000000-037f59c6ff1daadca2a0 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Negative-QTOF | splash10-0019-6900000000-a67fe3c28be25c2fa72b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 30V, Negative-QTOF | splash10-0019-1900000000-62d755ec157c381054b3 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Negative-QTOF | splash10-000i-0900000000-6c93facd0d3caabc67f1 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Negative-QTOF | splash10-001r-0900000000-7b2d4553b6a25b853d4b | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 20V, Negative-QTOF | splash10-000i-0900000000-3ed879b5217c5d703cd5 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 20V, Negative-QTOF | splash10-000i-0900000000-bddc5a2872c93f7185ba | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Negative-QTOF | splash10-000i-9600000000-376ae5146fc0f93c9ff5 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Negative-QTOF | splash10-004i-0900000000-7d707e3512f8df7d6c53 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 35V, Negative-QTOF | splash10-000i-0900000000-c904417e68f103c0c963 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid DI-ESI-qTof , Positive-QTOF | splash10-03di-0900000000-f31bbdf32d6b72a381e7 | 2017-09-14 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Positive-QTOF | splash10-000i-9000000000-ad7b879926d9c809f9c8 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 35V, Positive-QTOF | splash10-014s-1900000000-d3c79213f8f23833fadc | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Positive-QTOF | splash10-03di-0900000000-3adb4dbfdaeb614b61e6 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 40V, Positive-QTOF | splash10-000i-9000000000-8f7413c3605b29515931 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 20V, Positive-QTOF | splash10-03di-2900000000-467621cde3e4486ad6bf | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 30V, Positive-QTOF | splash10-014i-0900000000-7fdae010c3ffe7ab1156 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 50V, Positive-QTOF | splash10-000i-9000000000-a67e2178525a89f45da9 | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Positive-QTOF | splash10-03di-0900000000-8407d64b83bf427de33f | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Positive-QTOF | splash10-03dr-0900000000-91200c128446226f6ecb | 2021-09-20 | HMDB team, MONA | View Spectrum | Experimental LC-MS/MS | LC-MS/MS Spectrum - Caffeic acid 10V, Positive-QTOF | splash10-03di-0900000000-2ec4b8c30dbd96e11228 | 2021-09-20 | HMDB team, MONA | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | 2022-08-20 | Wishart Lab | View Spectrum |
IR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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- Olthof MR, Hollman PC, Katan MB: Chlorogenic acid and caffeic acid are absorbed in humans. J Nutr. 2001 Jan;131(1):66-71. [PubMed:11208940 ]
- Mennen LI, Sapinho D, Ito H, Bertrais S, Galan P, Hercberg S, Scalbert A: Urinary flavonoids and phenolic acids as biomarkers of intake for polyphenol-rich foods. Br J Nutr. 2006 Jul;96(1):191-8. [PubMed:16870009 ]
- Kawaguchi H, Katsuyama Y, Danyao D, Kahar P, Nakamura-Tsuruta S, Teramura H, Wakai K, Yoshihara K, Minami H, Ogino C, Ohnishi Y, Kondo A: Caffeic acid production by simultaneous saccharification and fermentation of kraft pulp using recombinant Escherichia coli. Appl Microbiol Biotechnol. 2017 Jul;101(13):5279-5290. doi: 10.1007/s00253-017-8270-0. Epub 2017 Apr 10. [PubMed:28396925 ]
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