Record Information |
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Version | 1.0 |
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Creation date | 2010-04-08 22:09:10 UTC |
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Update date | 2020-09-17 15:31:12 UTC |
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Primary ID | FDB010508 |
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Secondary Accession Numbers | Not Available |
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Chemical Information |
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FooDB Name | 4-Hydroxybenzoic acid |
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Description | 4-Hydroxybenzoic acid, also known as p-hydroxybenzoate or 4-carboxyphenol, belongs to the class of organic compounds known as hydroxybenzoic acid derivatives. Hydroxybenzoic acid derivatives are compounds containing a hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxyl and a hydroxyl group. 4-Hydroxybenzoic acid is a neutral compound with a nutty and phenolic taste. 4-Hydroxybenzoic acid exists in all living species, from bacteria to humans. In humans, 4-hydroxybenzoic acid is involved in ubiquinone biosynthesis. 4-Hydroxybenzoic acid is found in highest concentrations in red huckleberries, corianders, and garden onions and in lower concentrations in soybeans, rye bread, and almonds. 4-hydroxybenzoic acid has also been detected in sour cherries, common beans, wild carrots, common oregano, and soft-necked garlics. This could make 4-hydroxybenzoic acid a potential biomarker for the consumption of these foods. 4-Hydroxybenzoic acid esters, known as parabens, are used as preservatives in cosmetics and some ophthalmic solutions. It is isomeric with 2-hydroxybenzoic acid, known as salicylic acid, a precursor to aspirin, and with 3-hydroxybenzoic acid. 4-Hydroxybenzoic acid has estrogenic activity and stimulated the growth of breast cancer cell lines (PMID: 16021681). It can be found in Escherichia coli as part of the ubiquinone pathway. In the first step of this pathway, chorismate lyase transforms chorismate into 4-hydroxybenzoate and pyruvate (PMID 1644758). In Pseudomonas sp., 4-hydroxybenzoate and chloride are produced when the enzyme 4-chlorobenzoate dehalogenase acts on the halide bond of 4-chlorobenzoate with H2O (PMID: 6497878). |
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CAS Number | 99-96-7 |
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Structure | |
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Synonyms | Synonym | Source |
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Not Available | Not Available |
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Predicted Properties | |
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Chemical Formula | C7H6O3 |
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IUPAC name | 4-hydroxybenzoic acid |
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InChI Identifier | InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10) |
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InChI Key | FJKROLUGYXJWQN-UHFFFAOYSA-N |
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Isomeric SMILES | OC(=O)C1=CC=C(O)C=C1 |
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Average Molecular Weight | 138.122 |
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Monoisotopic Molecular Weight | 138.031694053 |
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Classification |
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Description | Belongs to the class of organic compounds known as hydroxybenzoic acid derivatives. Hydroxybenzoic acid derivatives are compounds containing a hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxyl and a hydroxyl groups. |
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Kingdom | Organic compounds |
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Super Class | Benzenoids |
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Class | Benzene and substituted derivatives |
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Sub Class | Benzoic acids and derivatives |
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Direct Parent | Hydroxybenzoic acid derivatives |
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Alternative Parents | |
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Substituents | - Hydroxybenzoic acid
- Benzoic acid
- Benzoyl
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- 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 | Health effect: |
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Disposition | Route of exposure: Source: Biological location: |
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Role | Industrial application: |
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Foods | Cocoa and cocoa products Grains: Nuts and legumes: Fruits and vegetables: Fats and oils: Beverages: |
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Physico-Chemical Properties - Experimental |
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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 60.87%; H 4.38%; O 34.75% | DFC |
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Melting Point | Mp 213-214° | DFC |
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Boiling Point | Not Available | |
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Experimental Water Solubility | 5 mg/mL at 25 oC | YALKOWSKY,SH & DANNENFELSER,RM (1992) |
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Experimental logP | 1.58 | HANSCH,C ET AL. (1995) |
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Experimental pKa | pKa2 9.37 (25°,50% EtOH aq.) | DFC |
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Isoelectric point | Not Available | |
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Charge | Not Available | |
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Optical Rotation | Not Available | |
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Spectroscopic UV Data | 255 () (HCl) (Berdy) | DFC |
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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) | splash10-00dr-6900000000-71548845dbf99346758d | 2015-03-01 | View Spectrum | GC-MS | 4-Hydroxybenzoic acid, 2 TMS, GC-MS Spectrum | splash10-01b9-0490000000-89473836b0071542185e | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00xu-2890000000-dd5367ba838ccd5b29d8 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, 2 TMS, GC-MS Spectrum | splash10-00di-9540000000-11db590137f79b7a32bf | Spectrum | GC-MS | 4-Hydroxybenzoic acid, 2 TMS, GC-MS Spectrum | splash10-00xu-3890000000-7e553522b6ec5c075e25 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00dr-5900000000-9b1d88421f1e1ded16f9 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00di-9700000000-a9bb4b71d8b23a56ca67 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-0079-6900000000-617d58eb059c1e918ca0 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00dr-4900000000-97bfa38b0d6bc152d470 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00dr-7900000000-290af590b1fc44a86969 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-01b9-0490000000-d6001fb50397705d3e0b | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-01b9-0490000000-89473836b0071542185e | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00xu-2890000000-dd5367ba838ccd5b29d8 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00di-9540000000-11db590137f79b7a32bf | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00xu-3890000000-7e553522b6ec5c075e25 | Spectrum | GC-MS | 4-Hydroxybenzoic acid, non-derivatized, GC-MS Spectrum | splash10-00xu-2980000000-0ba0ea7d63bd7fff3b22 | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0079-5900000000-fcde26d72ca8445dff7e | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, 2 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00xu-7950000000-cc553d409cc2a872749d | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, TMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, TMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, TBDMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, TBDMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | Predicted GC-MS | 4-Hydroxybenzoic acid, TBDMS_2_1, 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, Negative (Annotated) | splash10-000f-9400000000-9fb9f8fbd7cf90a88604 | 2012-07-24 | View Spectrum | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Negative (Annotated) | splash10-0006-9000000000-f5d09d09184f72ec3bd7 | 2012-07-24 | View Spectrum | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Negative (Annotated) | splash10-0006-9000000000-d31cea608d0764edf5d0 | 2012-07-24 | View Spectrum | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-68) , Positive | splash10-00dr-5900000000-9b1d88421f1e1ded16f9 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-60) , Positive | splash10-00di-9700000000-3ac766249fee4c68b8f4 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positive | splash10-0079-6900000000-4e15a4102e0b3bc8ddce | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negative | splash10-0a4r-9800000000-9e7208bfb79f9cca336b | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negative | splash10-0a4i-9000000000-1ed6d8123d44d126ed64 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negative | splash10-0a4i-9000000000-63a0e9c65e315bb89281 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negative | splash10-0a4i-9000000000-a8befcaa45eced4a9a51 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negative | splash10-0a4i-9000000000-26788d399f2b459abc21 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positive | splash10-0072-6900000000-ba06f5c422d59cd10cea | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positive | splash10-0002-9100000000-193fd4eb0cf324fb3abc | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negative | splash10-0006-9200000000-c834f7be13341f3e19b8 | 2012-08-31 | View Spectrum | MS/MS | LC-MS/MS Spectrum - DI-ESI-qTof , Positive | splash10-00di-0900000000-4f58e660923e896589a3 | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0a4r-9800000000-9e7208bfb79f9cca336b | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0a4i-9000000000-1ed6d8123d44d126ed64 | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0a4i-9000000000-e80d9637393e63e2d07c | 2017-09-14 | View Spectrum | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , negative | splash10-0a4i-9000000000-a8befcaa45eced4a9a51 | 2017-09-14 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0079-0900000000-6351b89d53d1742a1fbb | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-00di-1900000000-bdd873f3d1dc0f2af556 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00fu-9400000000-37262c1edda5dec21a19 | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-3900000000-fcd512c9827982e7c9aa | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000f-9600000000-36013030005316a50fab | 2016-09-12 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0006-9100000000-5efa05442f95e2900559 | 2016-09-12 | View Spectrum |
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NMR | Type | Description | | View |
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1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, experimental) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 90 MHz, DMSO-d6, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 25.16 MHz, D2O, experimental) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, DMSO, experimental) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, DMSO, experimental) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | 2D NMR | [1H, 1H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental) | | Spectrum | 2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | | Spectrum |
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External Links |
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ChemSpider ID | 132 |
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ChEMBL ID | CHEMBL441343 |
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KEGG Compound ID | C00156 |
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Pubchem Compound ID | 135 |
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Pubchem Substance ID | Not Available |
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ChEBI ID | Not Available |
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Phenol-Explorer ID | 418 |
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DrugBank ID | DB04242 |
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HMDB ID | HMDB00500 |
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CRC / DFC (Dictionary of Food Compounds) ID | FBS67-S:FBS67-S |
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EAFUS ID | 1726 |
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Dr. Duke ID | 4-HYDROXY-BENZOIC-ACID|P-HYDROXY-BENZOIC-ACID|HYDROXYBENZOIC-ACID |
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BIGG ID | 34069 |
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KNApSAcK ID | C00000856 |
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HET ID | PHB |
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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 | rw1040201 |
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SuperScent ID | Not Available |
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Wikipedia ID | Not Available |
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Phenol-Explorer Metabolite ID | 418 |
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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 | Descriptor | ID | Definition | Reference |
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anti bacterial | 33282 | A substance that kills or slows the growth of bacteria. | DUKE | anti mutagenic | | | DUKE | antioxidant | 22586 | A substance that opposes oxidation or inhibits reactions brought about by dioxygen or peroxides. In European countries, E-numbers for permitted antioxidant food additives are from E 300 to E 324. | DUKE | anti radicular | | | DUKE | anti sickling | | | DUKE | cancer preventive | 35610 | A substance that inhibits or prevents the proliferation of neoplasms. | DUKE | fungistat | | | DUKE | immunosuppressant | 35705 | An agent that suppresses immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-cells or by inhibiting the activation of helper cells. In addition, an immunosuppressive agent is a role played by a compound which is exhibited by a capability to diminish the extent and/or voracity of an immune response. | DUKE | pesticide | 25944 | Strictly, a substance intended to kill pests. In common usage, any substance used for controlling, preventing, or destroying animal, microbiological or plant pests. | DUKE | phytoalexin | 26115 | A toxin made by a plant that acts against an organism attacking it. | DUKE | prostaglandigenic | | | DUKE | secretogogue | | | DUKE | ubiquiot | | | DUKE |
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Enzymes | Name | Gene Name | UniProt ID |
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4-hydroxybenzoate polyprenyltransferase, mitochondrial | COQ2 | Q96H96 |
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Pathways | |
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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 | Flavor | Citations |
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phenolic |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| nutty |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
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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 | — Rothwell JA, Pérez-Jiménez J, Neveu V, Medina-Ramon A, M'Hiri N, Garcia Lobato P, Manach C, Knox K, Eisner R, Wishart D, Scalbert A. (2013) Phenol-Explorer 3.0: a major update of the Phenol-Explorer database to incorporate data on the effects of food processing on polyphenol content. Database, 10.1093/database/bat070. — Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004). — Shinbo, Y., et al. 'KNApSAcK: a comprehensive species-metabolite relationship database.' Plant Metabolomics. Springer Berlin Heidelberg, 2006. 165-181.
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