| Record Information |
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| Version | 1.0 |
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| Creation date | 2015-05-07 18:38:44 UTC |
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| Update date | 2025-11-19 03:00:22 UTC |
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| Primary ID | FDB030115 |
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| Secondary Accession Numbers | |
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| Chemical Information |
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| FooDB Name | (2S)-2-isopropylmalate |
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| Description | 2-isopropylmalic acid, also known as (2s)-2-hydroxy-2-isopropylsuccinic acid or (2s)-2-isopropylmalate, is a member of the class of compounds known as hydroxy fatty acids. Hydroxy fatty acids are fatty acids in which the chain bears a hydroxyl group. Thus, 2-isopropylmalic acid is considered to be a fatty acid lipid molecule. 2-isopropylmalic acid is soluble (in water) and a weakly acidic compound (based on its pKa). 2-isopropylmalic acid can be found in a number of food items such as sourdough, garden onion, oat, and bitter gourd, which makes 2-isopropylmalic acid a potential biomarker for the consumption of these food products. 2-isopropylmalic acid can be found primarily in feces, saliva, and urine. 2-isopropylmalic acid exists in all living species, ranging from bacteria to humans. Isopropylmalic acid (isopropylmalate) is an intermediate in the biosynthesis of leucine, synthesized from oxoisovalerate by 2-isopropylmalate synthase and converted into isopropyl-3-oxosuccinate by 3-isopropylmalate dehydrogenase. Two isomers are important, the 2- and 3-isopropyl derivatives, and these are interconverted by isopropylmalate dehydratase . |
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| CAS Number | 3237-44-3 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| (2S)-2-Hydroxy-2-isopropylsuccinic acid | ChEBI | | (2S)-2-Isopropylmalate | ChEBI | | (3S)-3-Carboxy-3-hydroxy-4-methylpentanoic acid | ChEBI | | (3S)-3-Carboxy-3-hydroxyisocaproic acid | ChEBI | | (S)-2-Hydroxy-2-(isopropyl)succinic acid | ChEBI | | 3-Carboxy-3-hydroxy-4-methylpentanoate | ChEBI | | 3-Carboxy-3-hydroxyisocaproate | ChEBI | | (2S)-2-Hydroxy-2-isopropylsuccinate | Generator | | (2S)-2-Isopropylmalic acid | Generator | | (3S)-3-Carboxy-3-hydroxy-4-methylpentanoate | Generator | | (3S)-3-Carboxy-3-hydroxyisocaproate | Generator | | (S)-2-Hydroxy-2-(isopropyl)succinate | Generator | | 3-Carboxy-3-hydroxy-4-methylpentanoic acid | Generator | | 3-Carboxy-3-hydroxyisocaproic acid | Generator | | 2-Isopropylmalate | Generator | | 2-Hydroxy-2-isopropylsuccinate | HMDB | | 2-Hydroxy-2-isopropylsuccinic acid | HMDB | | 2-Isopropyl-2-hydroxybutanedioate | HMDB | | 2-Isopropyl-2-hydroxybutanedioic acid | HMDB | | 2-Isopropyl-malic acid | HMDB | | a-Isopropylmalate | HMDB | | a-Isopropylmalic acid | HMDB | | alpha-Isopropylmalate | HMDB | | alpha-Isopropylmalic acid | HMDB | | (2S)-2-Hydroxy-2-(1-methylethyl)butanedioic acid | HMDB | | (2S)-2-Hydroxy-2-(propan-2-yl)butanedioic acid | HMDB | | (S)-(+)-2-Isopropylmalic acid | HMDB | | 2-Hydroxy-2-(1-methylethyl)butanedioic acid | HMDB | | Α-isopropylmalate | HMDB | | Α-isopropylmalic acid | HMDB | | 2-Isopropylmalic acid | HMDB |
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| Predicted Properties | |
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| Chemical Formula | C7H12O5 |
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| IUPAC name | (2S)-2-hydroxy-2-(propan-2-yl)butanedioic acid |
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| InChI Identifier | InChI=1S/C7H12O5/c1-4(2)7(12,6(10)11)3-5(8)9/h4,12H,3H2,1-2H3,(H,8,9)(H,10,11)/t7-/m0/s1 |
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| InChI Key | BITYXLXUCSKTJS-ZETCQYMHSA-N |
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| Isomeric SMILES | CC(C)[C@@](O)(CC(O)=O)C(O)=O |
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| Average Molecular Weight | 176.1672 |
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| Monoisotopic Molecular Weight | 176.068473494 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as hydroxy fatty acids. These are fatty acids in which the chain bears a hydroxyl group. |
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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 | Hydroxy fatty acids |
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| Alternative Parents | |
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| Substituents | - Branched fatty acid
- Methyl-branched fatty acid
- Short-chain hydroxy acid
- Hydroxy fatty acid
- Alpha-hydroxy acid
- Dicarboxylic acid or derivatives
- Hydroxy acid
- Tertiary alcohol
- Carboxylic acid
- Carboxylic acid derivative
- Alcohol
- Hydrocarbon derivative
- Carbonyl group
- Organic oxide
- Organic oxygen compound
- Organooxygen compound
- 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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| Disposition | Route of exposure: Source: Biological location: |
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| Process | Naturally occurring process: |
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| Role | Biological role: |
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| Physico-Chemical Properties |
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| Physico-Chemical Properties - Experimental | | Property | Value | Reference |
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| Physical state | Not Available | |
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| Physical Description | Not Available | |
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| Mass Composition | Not Available | |
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| Melting Point | Not Available | |
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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 | 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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| Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0006-9400000000-1c869c73651e7e4e5dda | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, 3 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00bl-9134000000-30fabfd0c26c38444fff | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_1_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_2_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_2_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TMS_2_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_1_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_1_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_1_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_2_1, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_2_2, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_2_3, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | (-)-2-Hydroxy-2-isopropylbutanedioic acid, TBDMS_3_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) | splash10-004i-0900000000-1bb48f5ddadbf88b8f6c | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Negative (Annotated) | splash10-00kr-9400000000-5df8f3f29d2e8a962cac | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Negative (Annotated) | splash10-05n0-9200000000-c62b1543d0e6a41388f1 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 20V, Negative | splash10-014r-6900000000-983e4a8edd0725d26979 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 10V, Negative | splash10-016r-1900000000-5aa4d41c6ff31081d9d7 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 10V, Positive | splash10-00di-9200000000-d4b84f7b5f2a53ac5800 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9000000000-c680094e514a83eea978 | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 40V, Negative | splash10-052o-9000000000-365c84abb7ec259fb43e | 2021-09-20 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - 40V, Positive | splash10-0006-9000000000-e28ea8cd657f96ff8357 | 2021-09-20 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0690-1900000000-3b83300261e0daab2ef1 | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9700000000-2652db028b01706ac042 | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00di-9300000000-808bda4307e96bcfcc83 | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-003r-2900000000-9fa33cd594a81b5d67cd | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-055r-9700000000-8ab90438d0e6c9b7d0be | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4r-9100000000-41e1c40b755f8bfaf000 | 2016-09-12 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-01x9-9800000000-53afadde706df1ef69ab | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0006-9000000000-4bfe3581b4b94540fea0 | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0006-9000000000-1470f6a6a1859e452712 | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-014i-2900000000-9a718ee22b675ce18980 | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-00kr-8900000000-188b5287c7dbbce2559f | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-000l-9000000000-2a93d25f081bcaa86a53 | 2021-09-22 | 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, 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 | 4444155 |
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| ChEMBL ID | Not Available |
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| KEGG Compound ID | C02504 |
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| Pubchem Compound ID | 5280523 |
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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 | Not Available |
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| HMDB ID | HMDB0000402 |
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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 | Not Available |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00019690 |
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| HET ID | Not Available |
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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 | Not Available |
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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 | |
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