| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:04:31 UTC |
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| Update date | 2019-11-26 02:54:37 UTC |
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| Primary ID | FDB000316 |
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| Secondary Accession Numbers | |
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| Chemical Information |
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| FooDB Name | 3,4-Dihydroxyphenylacetic acid |
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| Description | 3,4-Dihydroxybenzeneacetic acid, also known as 3,4-dihydroxyphenyl acetate or dopacetic acid, belongs to the class of organic compounds known as catechols. Catechols are compounds containing a 1,2-benzenediol moiety. 3,4-Dihydroxybenzeneacetic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). 3,4-Dihydroxybenzeneacetic acid exists in all living organisms, ranging from bacteria to humans. 3,4-Dihydroxybenzeneacetic acid is found, on average, in the highest concentration within olives and beers. 3,4-Dihydroxybenzeneacetic acid has also been detected, but not quantified in, several different foods, such as alfalfa, caraway, sunflowers, oriental wheats, and hazelnuts. This could make 3,4-dihydroxybenzeneacetic acid a potential biomarker for the consumption of these foods. |
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| CAS Number | 102-32-9 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| 2-(3,4-DIHYDROXYPHENYL)acetIC ACID | ChEBI | | 3,4-Dihydroxyphenyl acetic acid | ChEBI | | 3,4-Dihydroxyphenylacetic acid | ChEBI | | Dopacetic acid | ChEBI | | Homoprotocatechuate | Kegg | | 2-(3,4-DIHYDROXYPHENYL)acetate | Generator | | 3,4-Dihydroxyphenyl acetate | Generator | | 3,4-Dihydroxyphenylacetate | Generator | | Dopacetate | Generator | | 3,4-Dihydroxybenzeneacetate | Generator | | 3,4 Dihydroxyphenylacetic acid | HMDB | | 3,4-Dihydroxyphenylacetic acid, monosodium salt | HMDB | | (3,4-Dihydroxyphenyl)-acetic acid | HMDB | | (3,4-Dihydroxyphenyl)acetate | HMDB | | (3,4-Dihydroxyphenyl)acetic acid | HMDB | | 3,4-DHPOP | HMDB | | 3,4-Dihydroxy-benzeneacetic acid | HMDB | | 3,4-Dihydroxy-phenylacetic acid | HMDB | | DHY | HMDB | | Dihydroxyphenylacetate | HMDB | | Dihydroxyphenylacetic acid | HMDB | | HAA | HMDB | | Homogentisic acid | HMDB | | 3',4'-Dihydroxyphenylacetic acid | HMDB | | 3,4-Dihydroxy-benzene acetic acid | biospider | | 3,4-Dihydroxybenzene acetate | biospider | | 3,4-Dihydroxybenzene acetic acid | biospider | | DOPAC | db_source | | Homoprotocatechuic acid | db_source |
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| Predicted Properties | |
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| Chemical Formula | C8H8O4 |
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| IUPAC name | 2-(3,4-dihydroxyphenyl)acetic acid |
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| InChI Identifier | InChI=1S/C8H8O4/c9-6-2-1-5(3-7(6)10)4-8(11)12/h1-3,9-10H,4H2,(H,11,12) |
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| InChI Key | CFFZDZCDUFSOFZ-UHFFFAOYSA-N |
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| Isomeric SMILES | OC(=O)CC1=CC(O)=C(O)C=C1 |
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| Average Molecular Weight | 168.1467 |
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| Monoisotopic Molecular Weight | 168.042258744 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as catechols. Catechols are compounds containing a 1,2-benzenediol moiety. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Phenols |
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| Sub Class | Benzenediols |
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| Direct Parent | Catechols |
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| Alternative Parents | |
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| Substituents | - Catechol
- 1-hydroxy-4-unsubstituted benzenoid
- 1-hydroxy-2-unsubstituted benzenoid
- Monocyclic benzene moiety
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- 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 | 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 |
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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 | Not Available | |
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| Melting Point | 168 | |
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| Boiling Point | Not Available | |
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| Experimental Water Solubility | Not Available | |
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| Experimental logP | 0.98 | SANGSTER (1994) |
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| Experimental pKa | 4.25 | |
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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 | 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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| GC-MS | 3,4-Dihydroxyphenylacetic acid, 3 TMS, GC-MS Spectrum | splash10-004i-0942000000-54f714e694a7c3daeaf4 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-004i-0931000000-c4bb79d921fb42cf1b40 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, 3 TMS, GC-MS Spectrum | splash10-00di-9310000000-9490bd0ec921894341f4 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, 3 TMS, GC-MS Spectrum | splash10-004i-0952000000-d45a1420d6ae61cb9169 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-004i-0942000000-54f714e694a7c3daeaf4 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-004i-0931000000-c4bb79d921fb42cf1b40 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-00di-9310000000-9490bd0ec921894341f4 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-004i-0952000000-d45a1420d6ae61cb9169 | Spectrum | | GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, GC-MS Spectrum | splash10-004i-0931000000-3fab9c521f7f85372b94 | Spectrum | | Predicted GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00di-3900000000-9badffe195f5e0ba98e0 | Spectrum | | Predicted GC-MS | 3,4-Dihydroxyphenylacetic acid, 3 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-014i-4093000000-178e6eeb94df071e6c15 | Spectrum | | Predicted GC-MS | 3,4-Dihydroxyphenylacetic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | 3,4-Dihydroxyphenylacetic 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) | splash10-00di-0900000000-3e7377f36ca2547f4885 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-00di-2900000000-60e1fc55d54131c2923e | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-0fi0-9400000000-c63542b296bac95866e2 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - , negative | splash10-014i-0900000000-709dd9faccdbbb3dc088 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 40V, Negative | splash10-0a4l-9100000000-cf69597350b36ab34199 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-9200000000-298c198dac69afd9b0a3 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-014i-0900000000-ace1596cdfcf99646e9f | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-00di-0900000000-e7f718ad00bdba667583 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 35V, Negative | splash10-00di-1900000000-d8334a99b44e227f0c59 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 10V, Negative | splash10-01b9-1900000000-72071b19a4bfa3da409d | 2021-09-20 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0udi-0900000000-579796710abc38249c3a | 2015-05-26 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0fk9-0900000000-22f8a4f4efd0f10804b5 | 2015-05-26 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0zmi-9700000000-42b3de6bccbc10ad7b48 | 2015-05-26 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0udi-0900000000-579796710abc38249c3a | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0fk9-0900000000-22f8a4f4efd0f10804b5 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0zmi-9700000000-42b3de6bccbc10ad7b48 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-01b9-0900000000-a59d2cab0d3d859760a7 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-00xs-1900000000-6f630370c11294562cb7 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4l-9800000000-a45be46f3b52664dd4d1 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-01b9-0900000000-a59d2cab0d3d859760a7 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-00xs-1900000000-6f630370c11294562cb7 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4l-9800000000-a45be46f3b52664dd4d1 | 2015-05-27 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0gi0-0900000000-e9a2c6263575dc0f9d71 | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-00di-2900000000-a275f59ab87e090dfb3b | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0pvi-9400000000-c62f35159e453df3d13e | 2021-09-22 | View Spectrum |
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| NMR | | Type | Description | | View |
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| 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, 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, 1000 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 1000 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 | | 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 | 532 |
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| ChEMBL ID | CHEMBL1284 |
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| KEGG Compound ID | C01161 |
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| Pubchem Compound ID | 547 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | 1386 |
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| Phenol-Explorer ID | 572 |
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| DrugBank ID | DB01702 |
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| HMDB ID | HMDB01336 |
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| CRC / DFC (Dictionary of Food Compounds) ID | Not Available |
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| EAFUS ID | Not Available |
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| Dr. Duke ID | HOMOPROTOCATECHUIC-ACID|3,4-DIHYDROXYPHENYL-ACETATE |
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| BIGG ID | 36946 |
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| KNApSAcK ID | C00040996 |
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| HET ID | DHY |
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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 | 3,4-Dihydroxyphenylacetic_acid |
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| Phenol-Explorer Metabolite ID | 572 |
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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 | |
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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 | — 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).
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