| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:12:09 UTC |
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| Update date | 2020-09-17 15:31:31 UTC |
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| Primary ID | FDB015968 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | gamma-Terpinene |
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| Description | gamma-Terpinene belongs to the class of organic compounds known as menthane monoterpenoids. Monoterpenoids are terpenes that contain 10 carbon atoms and are comprised of two isoprene units. The biosynthesis of monoterpenes is known to occur mainly through the methyl-eritritol-phosphate (MEP) pathway in the plastids. Geranyl diphosphate (GPP) is a key intermediate in the biosynthesis of cyclic monoterpenes. GPP undergoes several cyclization reactions to yield a diverse number of cyclic arrangements. Menthanes are monoterpenoids with a structure based on the o-, m-, or p-menthane backbone. P-menthane consists of the cyclohexane ring with a methyl group and an isopropyl group at the 1 and 4 ring position, respectively. The o- and m- menthanes are much rarer, and presumably arise by alkyl migration of p-menthanes. gamma-Terpinene is one of 4 isomeric monoterpenes differing in the positions of their two double bonds (alpha- and beta-terpinene being the others). In gamma-terpinene the double bonds are at the 1- and 4-positions of the p-menthane skeleton. |
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| CAS Number | 99-85-4 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| 1,4-p-Menthadiene | ChEBI | | 1-Isopropyl-4-methyl-1,4-cyclohexadiene | ChEBI | | 1-Isopropyl-4-methylcyclohexa-1,4-diene | ChEBI | | 1-Methyl-4-(1-methylethyl)-1,4-cyclohexadiene | ChEBI | | 1-Methyl-4-propan-2-ylcyclohexa-1,4-diene | ChEBI | | 4-Isopropyl-1-methyl-1,4-cyclohexadiene | ChEBI | | Crithmene | ChEBI | | Moslene | ChEBI | | p-Mentha-1,4-diene | ChEBI | | g-Terpinene | Generator | | Γ-terpinene | Generator | | 1-Methyl-4-(propan-2-yl)cyclohexa-1,4-diene | HMDB | | alpha Terpinene | HMDB | | gamma Terpinene | HMDB | | gamma-Terpinen | HMDB | | Terpinene | HMDB | | 1-Methyl-4-isopropyl-1,4-cyclohexadiene | PhytoBank | | gamma-Terpinene | PhytoBank | | γ-Terpinen | PhytoBank | | 1-Isopropyl-4-methyl-cyclohexa-1,4-diene | biospider | | 1-Methyl-4-(1-methylethyl)-1,4-cyclohexadiene, 9CI | db_source | | 1-Methyl-4-isopropylcyclohexadiene-1,4 | biospider | | 1,4-Cyclohexadiene, 1-methyl-4-(1-methylethyl)- | biospider | | 1,4-Cyclohexadiene, 1-methyl-4-isopropyl- | biospider | | FEMA 3559 | db_source | | gamma-terpinene | biospider | | P-Mentha-1,4-diene | ChEBI | | γ-terpinene | Generator |
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| Predicted Properties | |
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| Chemical Formula | C10H16 |
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| IUPAC name | 1-methyl-4-(propan-2-yl)cyclohexa-1,4-diene |
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| InChI Identifier | InChI=1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,7-8H,5-6H2,1-3H3 |
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| InChI Key | YKFLAYDHMOASIY-UHFFFAOYSA-N |
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| Isomeric SMILES | CC(C)C1=CCC(C)=CC1 |
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| Average Molecular Weight | 136.238 |
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| Monoisotopic Molecular Weight | 136.125200515 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as branched unsaturated hydrocarbons. These are hydrocarbons that contains one or more unsaturated carbon atoms, and an aliphatic branch. |
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| Kingdom | Organic compounds |
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| Super Class | Hydrocarbons |
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| Class | Unsaturated hydrocarbons |
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| Sub Class | Branched unsaturated hydrocarbons |
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| Direct Parent | Branched unsaturated hydrocarbons |
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| Alternative Parents | |
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| Substituents | - Branched unsaturated hydrocarbon
- Cyclic olefin
- Unsaturated aliphatic hydrocarbon
- Olefin
- Aliphatic homomonocyclic compound
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| Molecular Framework | Aliphatic homomonocyclic 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 | Industrial application: 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 | Liquid | |
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| Physical Description | Not Available | |
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| Mass Composition | C 88.16%; H 11.84% | DFC |
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| Melting Point | -10 oC | |
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| Boiling Point | Bp 183° | DFC |
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| Experimental Water Solubility | 0.00868 mg/mL at 22 oC | LI,J & PERDUE,EM (1995) |
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| Experimental logP | 4.50 | LI,J & PERDUE,EM (1995) |
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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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| EI-MS | Mass Spectrum (Electron Ionization) | splash10-0006-9300000000-97923633c0b05f03274f | 2014-09-20 | View Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9200000000-b05d52aa0731550051f6 | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9400000000-a5cb265912cd3b36ec3f | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9500000000-2b0e829aa7638afa325e | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9200000000-b05d52aa0731550051f6 | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9400000000-a5cb265912cd3b36ec3f | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9500000000-2b0e829aa7638afa325e | Spectrum | | GC-MS | gamma-Terpinene, non-derivatized, GC-MS Spectrum | splash10-0006-9200000000-85beacebb887bcf22446 | Spectrum | | Predicted GC-MS | gamma-Terpinene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0006-9300000000-78ed493eae24d7cd7247 | Spectrum | | Predicted GC-MS | gamma-Terpinene, 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) | splash10-0019-8900000000-4f8f18604be188d356c8 | 2012-07-25 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-015c-9000000000-7cd3ebd6c5315af11ec5 | 2012-07-25 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-002f-9000000000-796d72dfa199c02320d2 | 2012-07-25 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80B) , Positive | splash10-0006-9200000000-ddf6ab2c599f6a3a0e04 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positive | splash10-0006-9400000000-701e197e734bd825ea09 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positive | splash10-0006-9500000000-156890c59245ff11b54d | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-Q-TOF/MS 25V, negative | splash10-000i-0900000000-98cfc7dd6d4b6ccbba0b | 2020-07-21 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-Q-TOF/MS 30V, negative | splash10-0019-2900000000-898e1880d94396f2ba76 | 2020-07-21 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000i-2900000000-7132f17a85333e784956 | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-000i-9700000000-f4bee8ac3721685bb606 | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-1000-9100000000-dbeffc46ec6acbacb6ef | 2015-04-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-545d284bbb3189d5973d | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-838b737755ef4340d8a2 | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-00ku-6900000000-6351b5255caae6105b15 | 2015-04-25 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000m-9500000000-380389192d752a66b55d | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0036-9000000000-6d366a78065dacee15ff | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-00mo-9000000000-ce8dcdbeb3aaa0e18205 | 2021-09-22 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-a013b4ae27f975ab5621 | 2021-09-23 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-a013b4ae27f975ab5621 | 2021-09-23 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-00kf-9600000000-571ac1102d9ec6dc4852 | 2021-09-23 | View Spectrum |
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| NMR | | Type | Description | | View |
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| 1D NMR | 1H NMR Spectrum (1D, 90 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50.32 MHz, CDCl3, experimental) | | Spectrum | | 1D NMR | 1H NMR Spectrum (1D, CDCl3, experimental) | | Spectrum | | 1D NMR | 13C NMR Spectrum (1D, CDCl3, experimental) | | Spectrum |
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| External Links |
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| ChemSpider ID | 7181 |
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| ChEMBL ID | CHEMBL449693 |
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| KEGG Compound ID | C09900 |
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| Pubchem Compound ID | 7461 |
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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 | HMDB05806 |
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| CRC / DFC (Dictionary of Food Compounds) ID | KLQ43-T:KLQ43-T |
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| EAFUS ID | 3606 |
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| Dr. Duke ID | GAMMA-TERPINENE |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00003061 |
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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 | 99-85-4 |
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| GoodScent ID | rw1017031 |
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| SuperScent ID | Not Available |
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| Wikipedia ID | Terpinene |
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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 | | Descriptor | ID | Definition | Reference |
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| Acaricide | 22153 | An agent that kills mites and ticks, used to control infestations and prevent diseases like scabies and tick-borne illnesses. Therapeutically, acaricides are applied topically or systemically to treat parasitic infections, reducing discomfort and preventing disease transmission. Key medical uses include treating acariasis, demodectic mange, and tick paralysis. | DUKE | | Angiotensin converting enzyme inhibitor | 35457 | An agent that blocks the conversion of angiotensin I to angiotensin II, reducing blood pressure and fluid retention. Therapeutically, it's used to treat hypertension, heart failure, and protect kidney function in diabetes, thereby reducing the risk of cardiovascular disease and stroke. | DUKE | | Aldose reductase inhibitor | 48550 | An agent that blocks the activity of aldose reductase, an enzyme involved in glucose metabolism. It reduces oxidative stress and inflammation, commonly used in managing diabetic complications, such as neuropathy, nephropathy, and retinopathy. | DUKE | | Anti acetylcholinesterase | 38462 | An agent that inhibits acetylcholinesterase, increasing acetylcholine levels. It enhances cholinergic transmission, used therapeutically to treat Alzheimer's disease, myasthenia gravis, and glaucoma, improving cognitive function, muscle strength, and reducing intraocular pressure. | DUKE | | Anti feedant | | A substance that inhibits normal feeding behavior, found in certain plants, deterring insects and animals from consuming them. Its therapeutic applications include pest control, while key medical uses involve managing insect-borne diseases and reducing crop damage. | DUKE | | Anti-oxidant | 22586 | An agent that neutralizes free radicals, reducing oxidative stress and cell damage. Its biological role involves protecting cells from harm, and it has therapeutic applications in managing chronic diseases, such as cancer, diabetes, and neurodegenerative disorders, with key medical uses including anti-aging, anti-inflammatory, and cardio protective effects. | 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 | | Perfumery | 48318 | The art of creating fragrances, playing a biological role in emotional and sensory stimulation. Therapeutically, perfumery has applications in aromatherapy, reducing stress and anxiety. Key medical uses include mood enhancement, pain management, and promoting relaxation, with certain scents exhibiting anti-anxiety and anti-depressant properties. | 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 |
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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 | | Flavor | Citations |
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| gasoline |
- 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
| | turpentine |
- 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
| | lime |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | oily |
- 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.
| | terpene |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | lemon |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | tropical |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | herbal |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | bitter |
- Ayana Wiener, Marina Shudler, Anat Levit, Masha Y. Niv. BitterDB: a database of bitter compounds. Nucleic Acids Res 2012, 40(Database issue):D413-419. DOI:10.1093/nar/gkr755
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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.
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