| Record Information |
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| Version | 1.0 |
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| Creation date | 2010-04-08 22:06:20 UTC |
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| Update date | 2020-04-21 18:02:11 UTC |
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| Primary ID | FDB004643 |
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| Secondary Accession Numbers | Not Available |
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| Chemical Information |
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| FooDB Name | Acetylcholine |
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| Description | Acetylcholine (ACh) is a neurotransmitter. Acetylcholine in vertebrates is the major transmitter at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system. Its physiological and pharmacological effects, metabolism, release, and receptors have been well documented in several species. ACh has been considered an important excitatory neurotransmitter in the carotid body (CB). Various nicotinic and muscarinic ACh receptors are present in both afferent nerve endings and glomus cells. Therefore, ACh can depolarize or hyperpolarize the cell membrane depending on the available receptor type in the vicinity. Binding of ACh to its receptor can create a wide variety of cellular responses including opening cation channels (nicotinic ACh receptor activation), releasing Ca2+ from intracellular storage sites (via muscarinic ACh receptors), and modulating activities of K+ and Ca2+ channels. Interactions between ACh and other neurotransmitters (dopamine, adenosine, nitric oxide) have been known, and they may induce complicated responses. Cholinergic biology in the CB differs among species and even within the same species due to different genetic composition. Development and environment influence cholinergic biology. ; Pharmacological data clearly indicate that both muscarinic and nicotinic acetylcholine receptors have a role in the encoding of new memories. Localized lesions and antagonist infusions demonstrate the anatomical locus of these cholinergic effects, and computational modeling links the function of cholinergic modulation to specific cellular effects within these regions. Acetylcholine has been shown to increase the strength of afferent input relative to feedback, to contribute to theta rhythm oscillations, activate intrinsic mechanisms for persistent spiking, and increase the modification of synapses. These effects might enhance different types of encoding in different cortical structures. In particular, the effects in entorhinal and perirhinal cortex and hippocampus might be important for encoding new episodic memories.; The role of ACh in attention has been repeatedly demonstrated in several tasks. Acetylcholine is linked to response accuracy in voluntary and reflexive attention and also to response speed in reflexive attention. It is well known that those with Attention-deficit/hyperactivity disorders tend to be inaccurate and slow to respond. (PMID: 17284361, 17011181, 15556286); Acetylcholine is an ester of acetic acid and choline with chemical formula CH3COOCH2CH2N+(CH3)3. This structure is reflected in the systematic name, 2-acetoxy-N,N,N-trimethylethanaminium.; In the PNS, acetylcholine activates muscles, and is a major neurotransmitter in the autonomic nervous system.; In the peripheral nervous system, acetylcholine activates muscles, and is a major neurotransmitter in the autonomic nervous system. When acetylcholine binds to acetylcholine receptors on skeletal muscle fibers, it opens ligand gated sodium channels in the cell membrane. Sodium ions then enter the muscle cell, stimulating muscle contraction. Acetylcholine, while inducing contraction of skeletal muscles, instead inhibits contraction in cardiac muscle fibers. This distinction is attributed to differences in receptor structure between skeletal and cardiac fibers.; The chemical compound acetylcholine (often abbreviated ACh) is a neurotransmitter in both the peripheral nervous system (PNS) and central nervous system (CNS) in many organisms including humans. Acetylcholine is one of many neurotransmitters in the autonomic nervous system (ANS) and the only neurotransmitter used in the motor division of the somatic nervous system. (Sensory neurons use glutamate and various peptides at their synapses.) Acetylcholine is also the principal neurotransmitter in all autonomic ganglia. Acetylcholine is found in many foods, some of which are yellow bell pepper, coriander, anise, and cardamom. |
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| CAS Number | 51-84-3 |
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| Structure | |
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| Synonyms | | Synonym | Source |
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| Not Available | Not Available |
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| Predicted Properties | |
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| Chemical Formula | C7H16NO2 |
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| IUPAC name | [2-(acetyloxy)ethyl]trimethylazanium |
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| InChI Identifier | InChI=1S/C7H16NO2/c1-7(9)10-6-5-8(2,3)4/h5-6H2,1-4H3/q+1 |
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| InChI Key | OIPILFWXSMYKGL-UHFFFAOYSA-N |
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| Isomeric SMILES | CC(=O)OCC[N+](C)(C)C |
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| Average Molecular Weight | 146.2074 |
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| Monoisotopic Molecular Weight | 146.118103761 |
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| Classification |
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| Description | Belongs to the class of organic compounds known as acyl cholines. These are acylated derivatives of choline. Choline or 2-Hydroxy-N,N,N-trimethylethanaminium is a quaternary ammonium salt with the chemical formula (CH3)3N+(CH2)2OH. |
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| Kingdom | Organic compounds |
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| Super Class | Organic nitrogen compounds |
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| Class | Organonitrogen compounds |
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| Sub Class | Quaternary ammonium salts |
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| Direct Parent | Acyl cholines |
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| Alternative Parents | |
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| Substituents | - Acyl choline
- Tetraalkylammonium salt
- Carboxylic acid ester
- Monocarboxylic acid or derivatives
- Carboxylic acid derivative
- Organic oxygen compound
- Organopnictogen compound
- Organic oxide
- Hydrocarbon derivative
- Organic salt
- Organooxygen compound
- Carbonyl group
- Amine
- Organic cation
- 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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| 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 | Not Available | |
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| Physical Description | Not Available | |
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| Mass Composition | Not Available | |
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| Melting Point | 148 oC | |
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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 | Acetylcholine, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positive | splash10-0a4r-9100000000-bf8d3f373f038db1a310 | Spectrum | | Predicted GC-MS | Acetylcholine, 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) | splash10-000j-9600000000-ec60451904fda7dde556 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated) | splash10-000l-9000000000-2ea4c086c3ab458a1d7c | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated) | splash10-0006-9000000000-98d5a70eed75a0945da4 | 2012-07-24 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positive | splash10-0002-1900000000-2da10e016ac539b6e981 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Positive | splash10-000i-9000000000-7efaaa08a6c43d816358 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Positive | splash10-000i-9000000000-eb7d66198d7674cbbd2a | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Positive | splash10-000l-9000000000-41b87d773c58129802e9 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Positive | splash10-0006-9000000000-9e8e66250f2cf34a2046 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positive | splash10-0002-0900000000-f7fe18f2371596dc7333 | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) 30V, Positive | splash10-000j-9800000000-b0f987ebcb0179a2c5ab | 2012-08-31 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF , positive | splash10-000i-9000000000-1be58612df9c1eef1282 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-0002-1900000000-2da10e016ac539b6e981 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-000i-9000000000-7efaaa08a6c43d816358 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-000i-9000000000-eb7d66198d7674cbbd2a | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-000l-9000000000-41b87d773c58129802e9 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QQ , positive | splash10-0006-9000000000-9ac44e29bdfbddf1b90d | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF , positive | splash10-0002-0900000000-f7fe18f2371596dc7333 | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - LC-ESI-QTOF , positive | splash10-000j-9800000000-b0f987ebcb0179a2c5ab | 2017-09-14 | View Spectrum | | MS/MS | LC-MS/MS Spectrum - , positive | splash10-000j-9400000000-8a3a0b77e93715b85ed4 | 2017-09-14 | 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, 1H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental) | | 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 | Not Available |
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| ChEMBL ID | Not Available |
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| KEGG Compound ID | Not Available |
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| Pubchem Compound ID | Not Available |
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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 | Not Available |
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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 | ACETYL-CHOLINE |
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| BIGG ID | Not Available |
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| KNApSAcK ID | Not Available |
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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 | | Descriptor | ID | Definition | Reference |
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| allergenic | 50904 | A chemical compound which causes the onset of an allergic reaction by interacting with any of the molecular pathways involved in an allergy. | DUKE | | anti amblyopic | 52217 | Any substance introduced into a living organism with therapeutic or diagnostic purpose. | DUKE | | anti diuretic | 52217 | Any substance introduced into a living organism with therapeutic or diagnostic purpose. | DUKE | | anti ileus | | | DUKE | | anti tachycardic | 38070 | A drug used for the treatment or prevention of cardiac arrhythmias. Anti-arrhythmia drugs may affect the polarisation-repolarisation phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibres. | DUKE | | cardiodepressant | 38070 | A drug used for the treatment or prevention of cardiac arrhythmias. Anti-arrhythmia drugs may affect the polarisation-repolarisation phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibres. | DUKE | | cerebrostimulant | | | DUKE | | histaminic | | | DUKE | | hypotensive | | | DUKE | | miotic | 51068 | Aa agent causing contraction of the pupil of the eye. Because the size of the pupil is under the antagonistic control of the sympathetic and parasympathetic systems, drugs affecting either system can cause miosis. Drugs that mimic or potentiate the parasympathetic input to the circular constrictor muscle and drugs that inhibit sympathetic input to the radial dilator muscle tend to contract the pupils. | DUKE | | myocontractant | | | DUKE | | myopic | | | DUKE | | myotonic | | | DUKE | | neurotransmitter | 25512 | An endogenous compound that is used to transmit information across the synapse between a neuron and another cell. | DUKE | | parasympathomimetic | | | DUKE | | peristaltic | | | DUKE | | sialogogue | | | DUKE | | spasmogenic | | | DUKE | | vasodilator | 35620 | A drug used to cause dilation of the blood vessels. | DUKE | | hormone | 24621 | Originally referring to an endogenous compound that is formed in specialized organ or group of cells and carried to another organ or group of cells, in the same organism, upon which it has a specific regulatory function, the term is now commonly used to include non-endogenous, semi-synthetic and fully synthetic analogues of such compounds. | CHEBI |
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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 | — 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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