| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:13:04 UTC |
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| Update date | 2025-11-19 01:54:03 UTC |
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| Primary ID | FDB017400 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | 7-Methyl-3-methylene-1,6-octadiene |
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| Description | β-Myrcene or myrcene is an acyclic monoterpene. 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. β-Myrcene is a significant component of the essential oil of several plants, including allspice, bay, hops, houttuynia, lemon grass, mango, myrcia, verbena, west indian bay tree, and cardamom. It is also the main component of wild thyme, the leaves of which contain up to 40% by weight of myrcene. Industrially, it is produced mainly semi-synthetically from myrcia, from which it gets its name. β-Myrcene is a flavouring agent and it is used in the perfumery industry. It has a pleasant odor but is rarely used directly. It is a key intermediate in the production of several fragrances such as menthol, citral, citronellol, citronellal, geraniol, nerol, and linalool. |
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| CAS Number | 123-35-3 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| 7-Methyl-3-methylene-1,6-octadiene | ChEBI | | 7-Methyl-3-methyleneocta-1,6-diene | ChEBI | | Myrcene | ChEBI | | b-Myrcene | Generator | | Β-myrcene | Generator | | 2-Methyl-6-methylene-1,7-octadiene | MeSH | | 2-Methyl-6-methylene-2,7-octadiene | HMDB | | 3-Methylene-7-methyl-1, 6-octadiene | HMDB | | 3-Methylene-7-methyl-1,6-octadiene | HMDB | | 7-Methyl-3-methylene-1,6-octadiene (beta -myrcene) | HMDB | | 7-Methyl-3-methylene-1,6-octadiene (myrcene) | HMDB | | 7-Methyl-3-methylene-octa-1,6-diene | HMDB | | 7-Methyl-3-methyleneoctadiene-(1,6) | HMDB | | 7-Methyl-3-methylideneocta-1,6-diene | HMDB | | b-Geraniolene | HMDB | | beta-Mircene | HMDB | | beta-Myrcene | HMDB, KEGG | | FEMA 2762 | HMDB | | beta-Geraniolene | HMDB | | β-Geraniolene | HMDB | | β-mircene | biospider | | β-myrcene | biospider | | 1, 6-Octadiene, 7-methyl-3-methylene- | biospider | | 1,6-Octadiene, 7-methyl-3-methylene- | biospider | | 7-methyl-3-methylene-1,6-octadiene (β-myrcene) | biospider | | 7-methyl-3-methylene-1,6-octadiene (myrcene) | biospider | | 7-methyl-3-methyleneocta-1,6-diene | biospider | | 7-methyl-3-methylideneocta-1,6-diene | biospider | | B-geraniolene | biospider | | beta -Mircene | HMDB | | beta -Myrcene | HMDB | | Beta-myrcene | biospider | | β-myrcene | Generator |
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| Predicted Properties | |
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| Chemical Formula | C10H16 |
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| IUPAC name | 7-methyl-3-methylideneocta-1,6-diene |
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| InChI Identifier | InChI=1S/C10H16/c1-5-10(4)8-6-7-9(2)3/h5,7H,1,4,6,8H2,2-3H3 |
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| InChI Key | UAHWPYUMFXYFJY-UHFFFAOYSA-N |
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| Isomeric SMILES | CC(C)=CCCC(=C)C=C |
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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 acyclic monoterpenoids. These are monoterpenes that do not contain a cycle. |
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| Kingdom | Organic compounds |
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| Super Class | Lipids and lipid-like molecules |
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| Class | Prenol lipids |
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| Sub Class | Monoterpenoids |
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| Direct Parent | Acyclic monoterpenoids |
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| Alternative Parents | |
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| Substituents | - Acyclic monoterpenoid
- Branched unsaturated hydrocarbon
- Alkatriene
- Unsaturated aliphatic hydrocarbon
- Unsaturated hydrocarbon
- Olefin
- Acyclic olefin
- Hydrocarbon
- 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 | 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 | Bp8.5 51-51.5° | DFC |
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| Experimental Water Solubility | 0.0056 mg/mL at 25 oC | CHEMICALS INSPECTION AND TESTING INSTITU (1992) |
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| Experimental logP | 4.17 | CHEMICALS INSPECTION AND TESTING INSTITU ( |
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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 | [neutral] lmax 226 (e 16100) (MeOH) (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) | splash10-0006-9000000000-0044238938af2a674670 | 2014-09-20 | View Spectrum | | GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, GC-MS Spectrum | splash10-00kf-9000000000-94249d5850d02862868d | Spectrum | | GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, GC-MS Spectrum | splash10-0006-9000000000-078927c5db5ba8691e12 | Spectrum | | GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, GC-MS Spectrum | splash10-00kf-9000000000-94249d5850d02862868d | Spectrum | | GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, GC-MS Spectrum | splash10-0006-9000000000-078927c5db5ba8691e12 | Spectrum | | GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, GC-MS Spectrum | splash10-0006-9000000000-4934a34348f1966a1b57 | Spectrum | | Predicted GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0gbc-9100000000-3140926424077f6fe821 | Spectrum | | Predicted GC-MS | 7-Methyl-3-methylene-1,6-octadiene, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | Not Available | Spectrum | | Predicted GC-MS | 7-Methyl-3-methylene-1,6-octadiene, 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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| Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000i-3900000000-3c559009ab39d35fd493 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0019-9600000000-a02add9ea09761212874 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0udi-9000000000-c2cf7f8831e68542008b | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-6882dc5ecf3f017e6584 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-c44cd1555bbebb14f177 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-014i-9700000000-b1c0f8495736a8fba510 | 2016-08-03 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-001i-9000000000-ff2818480f196b4f5802 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-05q9-9000000000-62442276cecbb1e6975b | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-0v00-9000000000-671d242601a78647a09d | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0900000000-7b99763f2098a29c1bd6 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0900000000-9815af0088c9d73412b6 | 2021-09-24 | View Spectrum | | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-014i-9000000000-24167ae6962b4d56019f | 2021-09-24 | View Spectrum |
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| NMR | | Type | Description | | View |
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| 1D NMR | 13C NMR Spectrum (1D, 22.53 MHz, CDCl3, experimental) | | Spectrum |
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| External Links |
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| ChemSpider ID | 28993 |
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| ChEMBL ID | CHEMBL455491 |
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| KEGG Compound ID | C06074 |
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| Pubchem Compound ID | 31253 |
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| Pubchem Substance ID | Not Available |
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| ChEBI ID | 17221 |
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| Phenol-Explorer ID | Not Available |
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| DrugBank ID | Not Available |
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| HMDB ID | HMDB38169 |
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| CRC / DFC (Dictionary of Food Compounds) ID | KXM92-T:KXM92-T |
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| EAFUS ID | 2622 |
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| Dr. Duke ID | MYRCENE|BETA-MYRCENE |
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| BIGG ID | Not Available |
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| KNApSAcK ID | C00000853 |
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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 | 123-35-3 |
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| GoodScent ID | rw1016531 |
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| SuperScent ID | Not Available |
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| Wikipedia ID | Myrcene |
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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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| 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 | | Allergenic | 50904 | A substance that triggers an immune response, causing allergic reactions. Its biological role is to stimulate the immune system, but it has no therapeutic applications. Key medical uses include diagnosing allergies and developing immunotherapies to desensitize patients to specific allergens, reducing the risk of severe reactions. | DUKE | | Analgesic | 35480 | An agent that relieves pain by reducing or blocking pain signals in the brain, commonly used to manage acute or chronic pain, inflammation, and fever, with therapeutic applications in surgery, injury, and disease 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 convulsant | 52217 | An agent that reduces or prevents seizures, commonly used in managing epilepsy, neuropathic pain, and mood disorders, by stabilizing abnormal electrical activity in the brain. | DUKE | | Anti-mutagenic | | An agent that interferes with the mutagenicity of a substance, preventing DNA damage and mutations. Its biological role is to protect cells from genetic alterations, and it has therapeutic applications in cancer prevention and treatment, as well as key medical uses in reducing the risk of genetic disorders and birth defects. | DUKE | | Anti-nitrosaminic | | An agent that inhibits the formation of nitrosamines, carcinogenic compounds. It plays a biological role in cancer prevention, with therapeutic applications in reducing the risk of tobacco-related and other cancers. Key medical uses include chemoprevention and protection against carcinogenic exposures. | DUKE | | Anti nociceptive | 35470 | An agent that reduces the sensitivity to painful stimuli, blocking the transmission of pain signals. Its biological role is to modulate pain perception, with therapeutic applications in managing acute and chronic pain. Key medical uses include treating headaches, arthritis, and post-surgical pain, as well as providing relief for cancer and neuropathic pain. | 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 | | Anti-spasmodic | 52217 | An agent that relaxes smooth muscle, reducing muscle spasms and cramps. It plays a biological role in regulating muscle tone and is therapeutically applied to treat conditions such as irritable bowel syndrome, menstrual cramps, and muscle spasms, providing relief from abdominal pain and discomfort. | DUKE | | Cancer preventive | 35610 | An agent that inhibits the development and progression of cancer, reducing tumor formation and growth. It plays a biological role in blocking carcinogenic pathways, and has therapeutic applications in chemoprevention. Key medical uses include reducing the risk of cancer in high-risk individuals and preventing cancer recurrence. | DUKE | | Chemopreventive | 35610 | An agent that prevents or delays the development of cancer, reducing the risk of tumor formation and progression. It plays a biological role in inhibiting carcinogenesis, and has therapeutic applications in cancer prevention, with key medical uses including reducing the risk of colorectal, breast, and prostate cancers. | DUKE | | Name | 48318 | flavor | DUKE | | Fungicide | 24127 | An agent that kills or inhibits the growth of fungi, playing a biological role in preventing fungal infections. Therapeutically, it is used to treat fungal diseases, with key medical applications including athlete's foot, ringworm, and candidiasis, as well as agricultural uses to protect crops from fungal damage. | DUKE | | Hypothermic | | A condition of abnormally low body temperature, playing a biological role in reducing metabolic rate and oxygen demand. Therapeutically, it has applications in neuroprotection, cardiac surgery, and trauma care. Key medical uses include treating heatstroke, cardiac arrest, and brain injuries, as well as preserving organs for transplantation. | 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 | | Myorelaxant | | An agent that reduces muscle contractility by blocking nerve impulses or decreasing motor end plate excitability, used therapeutically to relieve muscle spasms, tension, and pain, commonly in managing musculoskeletal disorders, anxiety, and insomnia. | DUKE | | Cytochrome-P450-2B1 inhibitor | 50183 | An agent that blocks the activity of cytochrome-P450-2B1, an enzyme involved in drug metabolism. Therapeutically, it reduces toxicity and enhances efficacy of certain medications, commonly used in managing cancer, neurological disorders, and drug interactions. | 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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| balsamic |
- 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
| | must |
- 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
| | spice |
- 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
| | peppery |
- 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.
| | spicy |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | balsam |
- The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
| | plastic |
- 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 | 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 | — 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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