Page last updated: 2024-12-04

trimethylamine

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Cross-References

ID SourceID
PubMed CID1146
CHEMBL ID439723
CHEBI ID18139
MeSH IDM0080511

Synonyms (91)

Synonym
trimethylamin
n(ch3)3
nme3
CHEBI:18139 ,
tridimethylaminomethane
n,n,n-trimethylamine
methylamine, n,n-dimethyl-
einecs 200-875-0
fema no. 3241
hsdb 808
un1083
ccris 6283
fema number 3241
un1297
n-trimethylamine
dimethylmethaneamine
ai3-15639
nsc-101179
nsc101179
inchi=1/c3h9n/c1-4(2)3/h1-3h
methanamine, n,n-dimethyl-
(ch3)3n
75-50-3
(ch3)3nh
TRIMETHYLAMINE ,
C00565
n,n-dimethylmethanamine
(ch3)3nh+
trimethylamine, anhydrous, >=99%
NCIOPEN2_007868
trimethylamine, >=99.0%
T2268
KEN ,
trimethylamine, anhydrous [un1083] [flammable gas]
BMSE000224
CHEMBL439723
trimethyl-amine
FT-0660006
T0464
AKOS000119986
cas-75-50-3
dtxsid2026238 ,
dtxcid106238
NCGC00255170-01
tox21_302355
T2704
trimethyl amine
bdbm50416499
ec 200-875-0
lhh7g8o305 ,
trimethylamine, anhydrous
unii-lhh7g8o305
trimethyl-d9-amine
STL264242
gtpl5521
meldonium dihydrate impurity a [ep impurity]
acetylcholine chloride impurity c [ep impurity]
trimethylamine [hsdb]
trimethylamine [fhfi]
trimethylamine [mi]
trimethylamine [fcc]
trimethylaminum [hpus]
trimethylaminum
T3614
T3567
T3847
un 1083
un 1297
n,n-dimethylmethanamine #
trimethylamine 2.0m in thf
tri-methylamine
dimethylamino methane
T2892
T2893
mfcd00008327
F1908-0091
trimethylamine, anhydrous, cylinder, with 316ss needle valve, 99%
trimethylamine, >=99.5%
trimethylamine anhydrous
n,n-dimethyl-methanamine
trimethylamine 2m in isopropanol
Q423953
trimethylamine (ca. 13% in acetonitrile, ca. 2mol/l)
trimethylamine (ca. 8% in toluene, ca. 1mol/l)
trimethylamine solution (ca. 28% in water, ca. 4.3mol/l)
trimethylamine solution (ca. 25% in isopropyl alcohol, ca. 3mol/l)
trimethylamine (ca. 25% in isopropyl alcohol, ca. 3mol/l)
trimethylamine (ca.8% in n,n-dimethylformamide)
meldonium dihydrate impurity a (ep impurity)
acetylcholine chloride impurity c (ep impurity)
trimethylamine, (anhydrous)

Research Excerpts

Overview

Trimethylamine (TMA) is a volatile, foul-smelling, diet-derived amine. It is primarily generated in the colon and metabolized in the liver to its odorless N-oxide (T MAO) Trimthylamine oxide is a biomarker in cardiovascular and renal diseases.

ExcerptReferenceRelevance
"Trimethylamine oxide (TMAO) is a biomarker in cardiovascular and renal diseases. "( Trimethylamine, a gut bacteria metabolite and air pollutant, increases blood pressure and markers of kidney damage including proteinuria and KIM-1 in rats.
Gawryś-Kopczyńska, M; Maksymiuk, KM; Mogilnicka, I; Onyszkiewicz, M; Samborowska, E; Szudzik, M; Ufnal, M, 2022
)
3.61
"Trimethylamine (TMA) is a harmful gas that exists ubiquitously in the environment; therefore, the sensitive and specific monitoring of TMA is necessary. "( Ultrasensitive Flexible Olfactory Receptor-Derived Peptide Sensor for Trimethylamine Detection by the Bending Connection Method.
Chen, R; Lan, K; Ma, W; Qin, G; Wang, Z; Wei, J; Yan, S, 2022
)
2.4
"Trimethylamine (TMA) is an odorous volatile organic compound emitted by industries. "( Trimethylamine abatement in algal-bacterial photobioreactors.
Akmirza, I; Arnaiz, E; Lebrero, R; Muñoz, R; Pascual, C; Pérez, R, 2020
)
3.44
"Trimethylamine (TMA) is a volatile, foul-smelling, diet-derived amine, primarily generated in the colon and metabolized in the liver to its odorless N-oxide (TMAO). "( Treatments of trimethylaminuria: where we are and where we might be heading.
Leroux, JC; Schmidt, AC, 2020
)
2
"Trimethylamine (TMA) is a well-known off-odor compound in fish and fishery products and is a metabolic product of trimethylamine "( Reduction of Trimethylamine Off-Odor by Lactic Acid Bacteria Isolated from Korean Traditional Fermented Food and Their In Situ Application.
Jo, DM; Khan, F; Kim, YM; Lee, YB; Park, SK; Yu, D, 2020
)
2.37
"Trimethylamine (TMA) is a gut bacteria product oxidized by the liver to trimethylamine-"( Heart Failure Disturbs Gut-Blood Barrier and Increases Plasma Trimethylamine, a Toxic Bacterial Metabolite.
Chabowski, D; Drapala, A; Jaworska, K; Kraszewska, K; Mogilnicka, I; Samborowska, E; Szudzik, M; Ufnal, M, 2020
)
2.24
"Trimethylamine (TMA) is a known contributor to malodor in fish."( Use of Flavin-Containing Monooxygenases for Conversion of Trimethylamine in Salmon Protein Hydrolysates.
Almendral, D; Barbas, C; Bjerga, GEK; Claussen, J; Ferrer, M; Garcia-Moyano, A; Goris, M; Larsen, Ø; Puntervoll, P; Rojo, D, 2020
)
1.52
"Trimethylamine (TMA) is a gut microbiota-derived metabolite which comes from diets rich of choline, betaine or L-carnitine and could be further converted to Trimethylamine-N-oxide (TMAO) in the liver. "( Trimethylamine/Trimethylamine-N-Oxide as a Key Between Diet and Cardiovascular Diseases.
He, S; Jiang, H; Jiang, W; Zhuo, C, 2021
)
3.51
"Trimethylamine (TMA) is an important gut microbial metabolite strongly associated with human disease. "( Elucidation of an anaerobic pathway for metabolism of l-carnitine-derived γ-butyrobetaine to trimethylamine in human gut bacteria.
Balskus, EP; Bollenbach, M; Fu, B; Rajakovich, LJ, 2021
)
2.28
"Trimethylamine (TMA) is a metabolic product of T."( Effects of feeding diets containing increasing proportions of bunt-infected wheat (Tilletia caries) on performance and health of pigs.
Breves, G; Büttner, P; Dänicke, S; Ettle, T; Karl, H; Kersten, S; Preugschat, K; Richter, W, 2014
)
1.12
"Trimethylamine (TMA) is a key measurement indicator for meat spoilage. "( Detection of meat-borne trimethylamine based on nanoporous colorimetric sensor arrays.
Han-ping, M; Ji-yong, S; Jie-wen, Z; Li-min, H; Mel, H; Xiao-bo, Z; Xiao-wei, H; Zhi-hua, L, 2016
)
2.18
"Trimethylamine (TMA) is a tertiary amine with a characteristic fishy odour. "( The complex metabolism of trimethylamine in humans: endogenous and exogenous sources.
Bhargava, B; Chhibber-Goel, J; Gaur, A; Parakh, N; Sharma, A; Singhal, V, 2016
)
2.18
"Trimethylamine (TMA) is a volatile organic compound which causes not only unpleasant odor but also health concerns to humans. "( Uptake and degradation of trimethylamine by Euphorbia milii.
Chhon, Y; Siswanto, D; Thiravetyan, P, 2016
)
2.18
"Trimethylamine (TMA) is a good target for the detection of biogenic amines due to its volatility and fishy odor."( Sensitive detection of trimethylamine based on dopant-assisted positive photoionization ion mobility spectrometry.
Chen, C; Cheng, S; Jiang, D; Li, H; Li, Y; Tan, M; Wang, H; Zhang, T; Zhou, Q, 2017
)
1.49
"Trimethylamine is a volatile low molecular weight tertiary aliphatic amine that has known toxicity and the potential for human exposure from industrial and environmental sources is considerable. "( The passage of trimethylamine across rat and human skin.
Carmichael, PL; Harris, R; Kenyon, S; Khalaque, S; Mitchell, SC; Panchal, S; Smith, RL; Waring, R, 2004
)
2.12
"Trimethylamine (TMA) is a volatile substance produced in the gut, absorbed into the blood and further metabolized by healthy individuals into trimethylamine-N-oxide (TMAO) by TMA-oxidase and then excreted in urine. "( Diagnosis of suspected trimethylaminuria by NMR spectroscopy.
Arêas, JA; Lanfer-Marquez, UM; Podadera, P; Sipahi, AM, 2005
)
1.77
"Trimethylamine (TMA) is a volatile tertiary aliphatic amine that is derived from the diet either directly from the consumption of foods containing TMA, or by the intake of food containing precursors to TMA such as trimethylamine-N-oxide (TMNO), choline and L-carnitine. "( Trimethylamine: metabolic, pharmacokinetic and safety aspects.
Bain, MA; Evans, AM; Fornasini, G, 2005
)
3.21
"Trimethylamine (TMA) is a short-chain tertiary aliphatic amine that is derived from the diet either directly from the consumption of foods high in TMA or by the intake of food high in precursors to TMA, such as trimethylamine-N-oxide (TMNO), choline and L-carnitine. "( Accumulation of trimethylamine and trimethylamine-N-oxide in end-stage renal disease patients undergoing haemodialysis.
Bain, MA; Evans, AM; Faull, R; Fornasini, G; Milne, RW, 2006
)
2.12
"Trimethylamine (TMA) is an aliphatic amine, and its blood levels can increase after ingestion of certain foods, such as fish, and during disease states, such as chronic renal failure. "( Teratogenic and macromolecular synthesis inhibitory effects of trimethylamine on mouse embryos in culture.
Guest, I; Varma, DR, 1992
)
1.97

Effects

ExcerptReferenceRelevance
"Trimethylamine itself has the powerful aroma of rotting fish, and this confers upon the sufferer a highly objectionable body odor, which can be destructive to the personal, social, and work life of the affected individual."( Trimethylaminuria: the fish malodor syndrome.
Mitchell, SC; Smith, RL, 2001
)
1.03

Toxicity

ExcerptReferenceRelevance
" Although methylamines exert several toxic effects including inhibition of protein turnover and oocyte RNA synthesis, their reproductive toxicity has not been investigated."( Developmental toxicity of methylamines in mice.
Guest, I; Varma, DR, 1991
)
0.28
"Thallium (Tl) is a toxic heavy metal and its exposure to the human body causes physiological and biochemical changes due to its interference with potassium-dependent biological reactions."( Study of acute biochemical effects of thallium toxicity in mouse urine by NMR spectroscopy.
Bhatnagar, D; Chaturvedi, S; Devi, MM; Khan, AR; Khushu, S; Rana, P; Tripathi, RP; Tyagi, R, 2011
)
0.37
"Levocarnitine treatment is usually well tolerated, with essentially dose-dependent diarrhea as the main induced adverse effect."( [L-carnitine treatment and fish odor syndrome: an unwaited adverse effect].
Broly, F; Caruba, C; Lebrun, C; Rocher, F,
)
0.13
"This adverse effect seems to be correlated with excedent carnitine intake and might be expressed when the elimination pathway becomes saturated or in a situation of deficiency enzymatic metabolism."( [L-carnitine treatment and fish odor syndrome: an unwaited adverse effect].
Broly, F; Caruba, C; Lebrun, C; Rocher, F,
)
0.13

Pharmacokinetics

The pharmacokinetic profile of trimethylamine (TMA) was examined in the male Wistar rat. The effects of a synthetic diet on TMA pharmacokinetics were also evaluated.

ExcerptReferenceRelevance
" The pharmacokinetic profile of trimethylamine (TMA) was examined in the male Wistar rat and the effects of a synthetic diet on TMA pharmacokinetics were also evaluated."( Pharmacokinetics of trimethylamine in rats, including the effects of a synthetic diet.
Damani, LA; Nnane, IP, 2001
)
0.92
" The resulting modeled plasma and urinary concentration curves by simple physiologically based pharmacokinetic models (or semi-physiological pharmacokinetic models) were consistent with reported concentrations."( Human plasma and urinary metabolic profiles of trimethylamine and trimethylamine N-oxide extrapolated using a simple physiologically based pharmacokinetic model.
Shimizu, M; Yamazaki, H, 2017
)
0.71
" We previously reported a human physiologically based pharmacokinetic (PBPK) model for trimethylamine and its primary metabolite, trimethylamine N-oxide, based on reported rat trimethylamine pharmacokinetics."( Human plasma concentrations of trimethylamine N-oxide extrapolated using pharmacokinetic modeling based on metabolic profiles of deuterium-labeled trimethylamine in humanized-liver mice.
Kusama, T; Miura, T; Mizuno, S; Shimizu, M; Suemizu, H; Uehara, S; Yamazaki, H, 2018
)
0.99

Bioavailability

ExcerptReferenceRelevance
"Trimethylamine N-oxide (TMAO), which is naturally occurring in dietary marine fish, is well absorbed and excreted apparently unchanged as judged by end-product analysis."( Disclosure of the metabolic retroversion of trimethylamine N-oxide in humans: a pharmacogenetic approach.
Al-Waiz, M; Ayesh, R; Idle, JR; Mitchell, SC; Smith, RL, 1987
)
1.98
" The peak concentration of TMA in blood occurred at 1 h after oral administration of a 20 mg kg(-1) dose and the bioavailability for the oral dose averaged 81%."( Pharmacokinetics of trimethylamine in rats, including the effects of a synthetic diet.
Damani, LA; Nnane, IP, 2001
)
0.63
" The tests were performed either by a sequence with high specific absorption rate (SAR) or by standard clinical sequences with lower SAR."( Compatibility of temporary pacemaker myocardial pacing leads with magnetic resonance imaging: an ex vivo tissue study.
Aboud, A; Böttcher, J; Brehm, B; Drobnik, S; Hansch, A; Hekmat, K; Mall, G; Mayer, TE; Ortmann, C; Pfeil, A; Reichenbach, J; Rzanny, R; Schmidt, P; Wolf, G, 2012
)
0.38
" A growing body of evidence supports the hypothesis that phenolic phytochemicals with poor bioavailability are possibly acting primarily through remodeling of the gut microbiota."( Resveratrol Attenuates Trimethylamine-N-Oxide (TMAO)-Induced Atherosclerosis by Regulating TMAO Synthesis and Bile Acid Metabolism via Remodeling of the Gut Microbiota.
Chen, ML; Mi, MT; Ran, L; Yang, J; Yi, L; Zhang, QY; Zhang, Y; Zhou, X; Zhu, JD, 2016
)
0.74
"Curcumin is a potential natural anticancer drug with low oral bioavailability because of poor water solubility."( Synthesis, characterization and fluorescent properties of water-soluble glycopolymer bearing curcumin pendant residues.
Ba, X; Bai, L; Wang, S; Wu, Y; Yu, M; Zhang, H, 2016
)
0.43
"This review aims to present a persuasive explanation for the contradiction between the limited bioavailability and the remarkable bioactivities of polyphenols by examining their interactions with gut microbiota."( Interactions between gut microbiota and polyphenols: A mechanistic and metabolomic review.
Cheng, H; Feng, W; Liu, J; Peng, C; Tan, Y; Wu, J; Zhang, D; Zhou, Y, 2023
)
0.91

Dosage Studied

ExcerptRelevanceReference
" A dose-response relationship in FMO reduction was present in liver, but there was no difference observed between 25 and 15/1000 salinity in FMO activity of flounder gill."( Correlation [corrected] of salinity with flavin-containing monooxygenase activity but not cytochrome P450 activity in the euryhaline fish (Platichthys flesus)
Livingstone, DR; Peters, LD; Schlenk, D, 1996
)
0.29
" Urine samples were collected daily for 9 days from both dosed and control animals."( A metabonomic investigation of the biochemical effects of mercuric chloride in the rat using 1H NMR and HPLC-TOF/MS: time dependent changes in the urinary profile of endogenous metabolites as a result of nephrotoxicity.
Bright, J; Knight, R; Lenz, EM; Major, H; Wilson, ID, 2004
)
0.32
" However, concerns about the possible deleterious consequences of such a dosage regimen still remain given that plasma concentrations of trimethylamine-N-oxide were continually rising and approximately doubled in a two-week period."( Oral L-carnitine: metabolite formation and hemodialysis.
Bain, MA; Evans, AM; Faull, R; Milne, RW, 2006
)
0.54
" In this study, we delivered a single dose of mequindox to mice with dosage levels of 15, 75, and 350 mg/kg body weight and collected urine samples over a 7 day period, as well as plasma and liver tissues at 7 days postdose."( Dynamic metabolic response of mice to acute mequindox exposure.
Huang, C; Lei, H; Nie, X; Tang, H; Wang, Y; Zhao, XJ, 2011
)
0.37
" Exposure to a high dosage of dietary choline increased TMA synthesis in the cecum, suppressed activity of FMO3 in liver, and consequently aggravated the burden of TMA metabolism, especially in TT hens."( Effect of dietary choline supplementation under different flavin-containing monooxygenase 3 genotypes on trimethylamine metabolism in laying hens.
Ji, F; Qi, GH; Wang, J; Wu, SG; Xia, ZQ; Xu, L; Yue, HY; Zhang, HJ, 2012
)
0.59
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (2)

RoleDescription
human xenobiotic metaboliteAny human metabolite produced by metabolism of a xenobiotic compound in humans.
Escherichia coli metaboliteAny bacterial metabolite produced during a metabolic reaction in Escherichia coli.
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (2)

ClassDescription
methylamines
tertiary amineA compound formally derived from ammonia by replacing three hydrogen atoms by hydrocarbyl groups.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Pathways (10)

PathwayProteinsCompounds
Metabolism14961108
Biological oxidations150276
Phase I - Functionalization of compounds69175
FMO oxidises nucleophiles313
N-Oxide Electron Transfer2110
Disease1278231
Diseases of metabolism69121
Metabolic disorders of biological oxidation enzymes647
Defective FMO3 causes TMAU05
Diet-dependent trimethylamine/trimethylamine N-oxide metabolism112

Protein Targets (1)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
retinoic acid nuclear receptor alpha variant 1Homo sapiens (human)Potency27.30600.003041.611522,387.1992AID1159552
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Bioassays (8)

Assay IDTitleYearJournalArticle
AID147084Binding affinity at homopentameric Nicotinic acetylcholine receptor alpha-7 subtype using [3H]S-(-)-nicotine as radioligand; Not determined1999Journal of medicinal chemistry, Aug-12, Volume: 42, Issue:16
Molecular recognition in nicotinic acetylcholine receptors: the importance of pi-cation interactions.
AID146636Binding affinity at heteropentameric Nicotinic acetylcholine receptor alpha4-beta2 subtype using [3H]bungarotoxin as radioligand; Not determined1999Journal of medicinal chemistry, Aug-12, Volume: 42, Issue:16
Molecular recognition in nicotinic acetylcholine receptors: the importance of pi-cation interactions.
AID1132810Dissociation constant, pKa of the compound1978Journal of medicinal chemistry, Jun, Volume: 21, Issue:6
Oxidative and cardiovascular studies on natural and synthetic catecholamines.
AID233502The pKa value was measured at N15 chemical shift changes due to protonation; nd= not determined1993Journal of medicinal chemistry, Nov-12, Volume: 36, Issue:23
Protonation of phosphoramide mustard and other phosphoramides.
AID494749Inhibition of [3H]choline uptake at choline transporter 1 in mouse brain synaptosome2010Bioorganic & medicinal chemistry letters, Aug-15, Volume: 20, Issue:16
3-D-QSAR and docking studies on the neuronal choline transporter.
AID781327pKa (acid-base dissociation constant) as determined by Morgenthaler ref: ChemMedChem 20072014Pharmaceutical research, Apr, Volume: 31, Issue:4
Comparison of the accuracy of experimental and predicted pKa values of basic and acidic compounds.
AID19262Aqueous solubility2000Bioorganic & medicinal chemistry letters, Jun-05, Volume: 10, Issue:11
Prediction of drug solubility from Monte Carlo simulations.
AID1345492Mouse TAAR5 (Class A Orphans)2006Nature, Aug-10, Volume: 442, Issue:7103
A second class of chemosensory receptors in the olfactory epithelium.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (900)

TimeframeStudies, This Drug (%)All Drugs %
pre-1990105 (11.67)18.7374
1990's148 (16.44)18.2507
2000's187 (20.78)29.6817
2010's267 (29.67)24.3611
2020's193 (21.44)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 77.01

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be very strong demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index77.01 (24.57)
Research Supply Index6.86 (2.92)
Research Growth Index4.87 (4.65)
Search Engine Demand Index136.47 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (77.01)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials25 (2.69%)5.53%
Reviews67 (7.21%)6.00%
Case Studies54 (5.81%)4.05%
Observational7 (0.75%)0.25%
Other776 (83.53%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]