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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2005-11-16 15:48:42 UTC
Update Date2023-05-30 20:56:03 UTC
HMDB IDHMDB0000097
Secondary Accession Numbers
  • HMDB00097
Metabolite Identification
Common NameCholine
DescriptionCholine is a basic constituent of lecithin that is found in many plants and animal organs. It is important as a precursor of acetylcholine, as a methyl donor in various metabolic processes, and in lipid metabolism. Choline is now considered to be an essential vitamin. While humans can synthesize small amounts (by converting phosphatidylethanolamine to phosphatidylcholine), it must be consumed in the diet to maintain health. Required levels are between 425 mg/day (female) and 550 mg/day (male). Milk, eggs, liver, and peanuts are especially rich in choline. Most choline is found in phospholipids, namely phosphatidylcholine or lecithin. Choline can be oxidized to form betaine, which is a methyl source for many reactions (i.e. conversion of homocysteine into methionine). Lack of sufficient amounts of choline in the diet can lead to a fatty liver condition and general liver damage. This arises from the lack of VLDL, which is necessary to transport fats away from the liver. Choline deficiency also leads to elevated serum levels of alanine amino transferase and is associated with increased incidence of liver cancer.
Structure
Data?1582752111
Synonyms
ValueSource
BilineurineChEBI
CHOLINE ionChEBI
N,N,N-Trimethylethanol-ammoniumChEBI
N-TrimethylethanolamineChEBI
TrimethylethanolamineChEBI
Choline cationKegg
(2-Hydroxyethyl)trimethyl ammoniumHMDB
(2-Hydroxyethyl)trimethylammoniumHMDB
(beta-Hydroxyethyl)trimethylammoniumHMDB
2-Hydroxy-N,N,N-trimethyl-ethanaminiumHMDB
2-Hydroxy-N,N,N-trimethylethanaminiumHMDB
BiocolinaHMDB
BiocolineHMDB
CholinumHMDB
HepacholineHMDB
HormoclineHMDB
LipotrilHMDB
N,N,N-TrimethylethanolammoniumHMDB
NeocolinaHMDB
ParesanHMDB
Choline O-sulfateHMDB
Citrate, cholineHMDB
FagineHMDB
Hydroxide, cholineHMDB
VidineHMDB
BursineHMDB
Chloride, cholineHMDB
Choline chlorideHMDB
Choline citrateHMDB
Bitartrate, cholineHMDB
Choline bitartrateHMDB
Choline hydroxideHMDB
Choline O sulfateHMDB
O-Sulfate, cholineHMDB
Chemical FormulaC5H14NO
Average Molecular Weight104.1708
Monoisotopic Molecular Weight104.107539075
IUPAC Name(2-hydroxyethyl)trimethylazanium
Traditional Namecholine
CAS Registry Number62-49-7
SMILES
C[N+](C)(C)CCO
InChI Identifier
InChI=1S/C5H14NO/c1-6(2,3)4-5-7/h7H,4-5H2,1-3H3/q+1
InChI KeyOEYIOHPDSNJKLS-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as cholines. These are organic compounds containing a N,N,N-trimethylethanolammonium cation.
KingdomOrganic compounds
Super ClassOrganic nitrogen compounds
ClassOrganonitrogen compounds
Sub ClassQuaternary ammonium salts
Direct ParentCholines
Alternative Parents
Substituents
  • Choline
  • Tetraalkylammonium salt
  • 1,2-aminoalcohol
  • Alkanolamine
  • Organic oxygen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organic salt
  • Primary alcohol
  • Organooxygen compound
  • Amine
  • Alcohol
  • Organic cation
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
Biological locationRoute of exposureSource
Process
Naturally occurring process