| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:09:53 UTC |
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| Update date | 2019-11-26 03:05:40 UTC |
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| Primary ID | FDB011885 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | 2-Methoxyphenol |
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| Description | Guaiacol, also known as O-methoxyphenol or 2-hydroxyanisole, belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol moiety. Guaiacol is an extremely weak basic (essentially neutral) compound (based on its pKa). Guaiacol exists in all living species, ranging from bacteria to humans. Guaiacol is a sweet, medicinal, and phenolic tasting compound. Guaiacol is found, on average, in the highest concentration within a few different foods, such as sesames, coffee, and white wines and in a lower concentration in peppermints. Guaiacol has also been detected, but not quantified in, several different foods, such as white mustards, peppers, red bell peppers, cherry tomato, and turmerics. This could make guaiacol a potential biomarker for the consumption of these foods. Guaiacol is a potentially toxic compound. |
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| CAS Number | 90-05-1 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| 1-Hydroxy-2-methoxybenzene | ChEBI | | 2-Hydroxyanisole | ChEBI | | Catechol monomethyl ether | ChEBI | | O-Methoxyphenol | ChEBI | | Creodon | Kegg | | 2-Methoxyphenol | HMDB | | 2-Methoxy-phenol | HMDB | | Anastil | HMDB | | Guaiacol (liquid) extra pure | HMDB | | Guaiastil | HMDB | | Guaicol | HMDB | | Guaicolina | HMDB | | Guajakol | HMDB | | Guajol | HMDB | | Guasol | HMDB | | Guiacol | HMDB | | Methoxyphenol | HMDB | | Methylcatachol | HMDB | | Methylcatechol | HMDB | | O-Guaiacol | HMDB | | O-Hydroxyanisole | HMDB | | O-Methoxy-phenol | HMDB | | O-Methyl catechol | HMDB | | Pyrocatechol monomethyl ether | HMDB | | Pyroguaiac acid | HMDB | | 2-Hydroxy-anisole | HMDB | | Catechol, methyl | HMDB | | Methyl catechol | HMDB | | 2-Methoxyl-4-vinylphenol | HMDB | | Guaiacol | HMDB | | 2-Hydroxy-Anisole | biospider | | 2-methoxy-Phenol | biospider | | Catechol methyl ether | db_source | | FEMA 2532 | db_source | | O-guaiacol | biospider | | O-guiacol | biospider | | o-Hydroxyanisole | db_source | | O-methoxy-phenol | biospider | | O-methoxyphenol | biospider | | O-methyl catechol | biospider | | Ortho-guaiacol | biospider | | Phenol, 2-methoxy- | biospider | | Phenol, methoxy- | biospider | | Phenol, o-methoxy- | biospider |
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| Predicted Properties | |
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| Chemical Formula | C7H8O2 |
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| IUPAC name | 2-methoxyphenol |
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| InChI Identifier | InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3 |
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| InChI Key | LHGVFZTZFXWLCP-UHFFFAOYSA-N |
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| Isomeric SMILES | COC1=C(O)C=CC=C1 |
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| Average Molecular Weight | 124.139 |
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| Monoisotopic Molecular Weight | 124.052429498 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as methoxyphenols. Methoxyphenols are compounds containing a methoxy group attached to the benzene ring of a phenol 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 | Methoxyphenols |
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| Direct Parent | Methoxyphenols |
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| Alternative Parents | |
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| Substituents | - Methoxyphenol
- Phenoxy compound
- Methoxybenzene
- Phenol ether
- Anisole
- 1-hydroxy-4-unsubstituted benzenoid
- 1-hydroxy-2-unsubstituted benzenoid
- Alkyl aryl ether
- Monocyclic benzene moiety
- Ether
- Organic oxygen compound
- 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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| Ontology | No ontology term |
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| Physico-Chemical Properties |
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| Physico-Chemical Properties - Experimental | | Property | Value | Reference |
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| Physical state | Liquid | |
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| Physical Description | Not Available | |
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| Mass Composition | C 67.73%; H 6.50%; O 25.78% | DFC |
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| Melting Point | Mp 32° (prisms) | DFC |
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| Boiling Point | Bp 205° | DFC |
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| Experimental Water Solubility | 18.7 mg/mL at 15 oC | YALKOWSKY,SH & DANNENFELSER,RM (1992) |
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| Experimental logP | 1.32 | HANSCH,C ET AL. (1995) |
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| Experimental pKa | 9.98 | |
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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 | d21.44 1.13 | DFC |
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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) | splash10-0ac0-9800000000-5e89a9881e848e1b6c90 | 2015-03-01 | View Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0pir-9700000000-f1436b3de82cff342b65 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-05fr-4900000000-c09a31d9523d2eab5598 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-014i-0900000000-283fdedfda9e853e0cac | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-0pir-9700000000-f1436b3de82cff342b65 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-05fr-4900000000-c09a31d9523d2eab5598 | Spectrum | | GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, GC-MS Spectrum | splash10-014i-0900000000-283fdedfda9e853e0cac | Spectrum | | Predicted GC-MS | Beechwood, creosote (fagus spp.), non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-00di-8900000000-562c1e6a4f3289578f75 | Spectrum | | Predicted GC-MS | Beechwood, creosote (fagus spp.), 1 TMS, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0fl0-7900000000-93aa107b2b3f584b3e44 | Spectrum | | Predicted GC-MS | Beechwood, creosote (fagus spp.), 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 - EI-B (HITACHI RMU-6E) , Positive | splash10-0a4i-6900000000-49cb804087a42b1d1a22 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI RMU-6L) , Positive | splash10-0ab9-5900000000-b580cbc25d4176ce3894 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80B) , Positive | splash10-0pir-9700000000-12606badb77d4257635d | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - n/a 8V, negative | splash10-0a4i-0900000000-053a1c4e865e710614d5 | 2020-07-21 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-004i-0900000000-6b7a2fdf4e9a28ec6045 | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-004i-2900000000-ff014b7b55a5237cf91e | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0udi-9100000000-8785b2e2d86c6294a754 | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-00di-0900000000-8856c60866e810389af7 | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-00di-1900000000-8db14d5e5710471f76a7 | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0a4i-9400000000-bc0d3592d62ec26dad6f | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-004i-1900000000-7b4303f129d3e70a570e | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-00kb-9100000000-3ec9cfe154e8a98b3596 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0w29-9000000000-ba9e4cd4adef59feb26e | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-00di-0900000000-ee9e9b8403f62cfc7fdf | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-00di-4900000000-d36c74cf39c4ddda0024 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-0gbc-9000000000-1b43386dae7e3252cd81 | 2021-09-24 | 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, 400 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 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 | 447 |
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| ChEMBL ID | CHEMBL13766 |
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| KEGG Compound ID | C15572 |
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| Pubchem Compound ID | 460 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | 28591 |
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| Phenol-Explorer ID | 650 |
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| DrugBank ID | Not Available |
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| HMDB ID | HMDB01398 |
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| CRC / DFC (Dictionary of Food Compounds) ID | HBN48-K:HBN48-K |
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| EAFUS ID | 1544 |
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| Dr. Duke ID | GUAIACOL |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00002654 |
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| HET ID | JZ3 |
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| Food Biomarker Ontology | Not Available |
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| VMH ID | Not Available |
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| Flavornet ID | 90-05-1 |
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| GoodScent ID | rw1032271 |
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| SuperScent ID | 460 |
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| Wikipedia ID | Guaiacol |
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| Phenol-Explorer Metabolite ID | Not Available |
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| Duplicate IDS | |
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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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| Anesthetic | | A drug that induces a reversible loss of sensation, used to prevent pain and discomfort during medical procedures, surgeries, and diagnostic tests, promoting patient comfort and facilitating treatment. | DUKE | | Anti bacterial | 33282 | An agent that inhibits the growth of or destroys bacteria, playing a crucial role in preventing and treating infections. Therapeutically, it is used to combat bacterial infections, with key medical applications including treating pneumonia, tuberculosis, and skin infections, as well as preventing surgical site infections and sepsis. | DUKE | | Anti dermatitic | 50177 | An agent that reduces skin inflammation and irritation, commonly used to treat dermatitis, eczema, and other skin disorders, providing relief from itching, redness, and swelling. | DUKE | | Anti eczemic | 52217 | An agent that reduces inflammation and itching, commonly used to manage eczema symptoms, atopic dermatitis, and other skin allergies, providing relief and preventing flare-ups. | DUKE | | Anti esophagitic | | An agent that reduces esophageal inflammation, commonly used to treat conditions such as esophagitis, gastroesophageal reflux disease (GERD), and swallowing disorders, promoting healing and relieving symptoms like heartburn and chest pain. | DUKE | | Anti septic | 33281 | An agent that prevents or reduces the growth of microorganisms, such as bacteria, fungi, or viruses, to promote wound healing and prevent infection. Therapeutically, anti septics are used to treat minor cuts, scrapes, and burns, and are commonly applied topically to reduce the risk of infection and promote tissue repair. Key medical uses include wound care, surgical site preparation, and skin infection management. | DUKE | | Anti-tuberculic | 52217 | An agent that combats tuberculosis, exerting its biological role by inhibiting the growth of Mycobacterium tuberculosis. Therapeutically, it is used to treat and prevent tuberculosis, with key medical applications including the treatment of active TB, latent TB infection, and TB meningitis, as well as preventing the spread of TB in high-risk populations. | DUKE | | Cardiodepressant | 38070 | An agent that slows heart rate and reduces cardiac contractility, used to manage conditions like hypertension, angina, and arrhythmias, reducing the heart's workload and oxygen demand. | DUKE | | Cardiotonic | 38070 | An agent that strengthens heart muscle contractions, enhancing cardiac output. It plays a biological role in regulating heart function and is therapeutically used to treat heart failure, improving symptoms and exercise tolerance. Key medical uses include managing cardiomyopathy, atrial fibrillation, and congestive heart failure. | DUKE | | Dermal | 50177 | Relating to the skin, playing a crucial biological role in protection, regulation, and sensation. Therapeutically, dermal applications include wound healing, skin grafting, and cosmetic treatments. Key medical uses include topical medication delivery, skin cancer treatment, and dermatological condition management, such as eczema and psoriasis. | DUKE | | Emetic | | An agent that induces vomiting, playing a biological role in expelling toxins from the body. Therapeutically, it is used to treat poisoning, overdose, or gastrointestinal obstruction. Key medical uses include managing drug toxicity and aiding in stomach pumping procedures. | DUKE | | Expectorant | 52217 | An agent that thins and loosens mucus, making it easier to cough up, reducing congestion. It aids in clearing respiratory tract secretions, commonly used to relieve coughs, colds, and bronchitis, promoting easier breathing and soothing irritated airways. | DUKE | | Name | 48318 | flavor | DUKE | | Insectifuge | 24852 | A substance that repels insects, playing a biological role in plant defense. Therapeutically, it has applications in preventing insect-borne diseases. Key medical uses include topical repellents for malaria, dengue fever, and other vector-borne illnesses, reducing the risk of transmission. | DUKE | | Irritant | | An agent that causes slight inflammation or discomfort, stimulating a biological response. Therapeutically, it can be used to increase blood flow or stimulate healing. Key medical uses include treating wounds, skin conditions, and respiratory issues, such as congestion, by inducing a mild inflammatory response to promote recovery. | DUKE | | Pesticide | 25944 | An agent that kills or repels pests, playing a biological role in controlling insect, weed, and fungal populations. Therapeutically, pesticides have limited applications, but some are used to treat ectoparasitic infestations, such as lice and scabies. Key medical uses include topical treatments for head lice and scabies, highlighting their role in managing parasitic infections. | DUKE | | Prostaglandin synthesis inhibitor | 35222 | An agent that blocks the production of prostaglandins, reducing inflammation and pain. Therapeutically, it's used to treat conditions like arthritis, menstrual cramps, and fever, commonly found in nonsteroidal anti-inflammatory drugs (NSAIDs). | DUKE | | Transdermal | | A route of administration where active ingredients are delivered through the skin for systemic distribution, used therapeutically to manage conditions like pain, hormone replacement, and smoking cessation, with key medical applications including patches and implants for controlled release of medications. | DUKE |
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| Enzymes | | Name | Gene Name | UniProt ID |
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| Transmembrane O-methyltransferase | LRTOMT | Q8WZ04 |
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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 | | Flavor | Citations |
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| smoke |
- Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | sweet |
- Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
| | medicine |
- Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
| | medicinal |
- Dunkel, M. et al. SuperScent – a database of flavors and scents. Nucleic Acids Research 2008, doi:10.1093/nar/gkn695
| | smoky |
- Dunkel, M. et al. SuperScent – a database of flavors and scents. Nucleic Acids Research 2008, doi:10.1093/nar/gkn695
| | phenolic |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | spice |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | vanilla |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | woody |
- 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 | — 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. — 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.
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