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Record Information
Version2.0
Creation Date2014-09-11 05:19:58 UTC
Update Date2014-12-24 20:26:58 UTC
Accession NumberT3D4866
Identification
Common Namecis-Citral
ClassSmall Molecule
DescriptionCitral is found in carrot. Citral, or 3,7-dimethyl-2,6-octadienal or lemonal, is either of, or a mixture of, a pair of terpenoids with the molecular formula C10H16O. The two compounds are double bond isomers. The E-isomer is known as geranial or citral A. The Z-isomer is known as neral or citral B. Citral has been shown to exhibit apoptotic, anti-nociceptive and anti-inflammatory functions (1, 2, 3). Citral belongs to the family of Monoterpenes. These are compounds contaning a chain of two isoprene units.
Compound Type
  • Ester
  • Food Toxin
  • Household Toxin
  • Metabolite
  • Natural Compound
  • Organic Compound
Chemical Structure
Thumb
Synonyms
Synonym
citral B
FEMA 2303
Lemonal
Neral
Chemical FormulaC10H16O
Average Molecular Mass152.233 g/mol
Monoisotopic Mass152.120 g/mol
CAS Registry Number5392-40-5
IUPAC Name(2E)-3,7-dimethylocta-2,6-dienal
Traditional Nameα-citral
SMILES[H]\C(C=O)=C(\C)CCC=C(C)C
InChI IdentifierInChI=1S/C10H16O/c1-9(2)5-4-6-10(3)7-8-11/h5,7-8H,4,6H2,1-3H3/b10-7+
InChI KeyInChIKey=WTEVQBCEXWBHNA-JXMROGBWSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as acyclic monoterpenoids. These are monoterpenes that do not contain a cycle.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassPrenol lipids
Sub ClassMonoterpenoids
Direct ParentAcyclic monoterpenoids
Alternative Parents
Substituents
  • Acyclic monoterpenoid
  • Medium-chain aldehyde
  • Enal
  • Alpha,beta-unsaturated aldehyde
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aldehyde
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Extracellular
  • Membrane
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling Point229°C (444.2°F)
SolubilityNot Available
LogPNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.4 g/LALOGPS
logP3.37ALOGPS
logP2.66ChemAxon
logS-2.6ALOGPS
pKa (Strongest Basic)-4.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity50.12 m³·mol⁻¹ChemAxon
Polarizability18.6 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyDeposition DateView
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014l-9000000000-ccb0a3f327b5d2362bb92017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-131249cb1d7fb343fe102017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-dcdfd8342f2d4ce5a4392017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-3c1a8e898f563c833b2c2017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kf-9000000000-90723459c491953677052017-09-12View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014l-9000000000-ccb0a3f327b5d2362bb92018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-131249cb1d7fb343fe102018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-dcdfd8342f2d4ce5a4392018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-3c1a8e898f563c833b2c2018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kf-9000000000-90723459c491953677052018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014l-9000000000-ccb0a3f327b5d2362bb92018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-131249cb1d7fb343fe102018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-dcdfd8342f2d4ce5a4392018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-3c1a8e898f563c833b2c2018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kf-9000000000-90723459c491953677052018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014l-9000000000-ccb0a3f327b5d2362bb92018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-131249cb1d7fb343fe102018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-dcdfd8342f2d4ce5a4392018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-014i-9100000000-3c1a8e898f563c833b2c2018-05-18View Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kf-9000000000-90723459c491953677052018-05-18View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0159-9300000000-625c688e32f3edaf287c2016-09-22View Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0udi-1900000000-84bd30b4e03200f6db522016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-1010-8900000000-8aa62bcc7a1bcaa41a1e2016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0gb9-9000000000-79a3e6745a117da8309b2016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0udi-0900000000-21d238fd55ee29af690f2016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0udi-1900000000-b84583833bad67467cf02016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-052f-9700000000-a5e231c57e7f56a65d6d2016-08-03View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0pb9-0900000000-70e7a03f5a911f54f0982021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-0900000000-3128155f72d867d463182021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014i-9100000000-9b92fab117afca4b3a0a2021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-05o0-9100000000-9c5fcd575fed478bccf62021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-05qc-9000000000-85ae79bf95f3094e7a852021-09-24View Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-00kf-9000000000-1a9a16cf8ea66689ce6a2021-09-24View Spectrum
MSMass Spectrum (Electron Ionization)splash10-014l-9100000000-92c761fd6ee64c67e40e2014-09-20View Spectrum
1D NMR13C NMR Spectrum (1D, 25.16 MHz, CDCl3, experimental)Not Available2015-03-12View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 400 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, H2O, predicted)Not Available2022-08-20View Spectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)No indication of carcinogenicity to humans (not listed by IARC).
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB35092
PubChem Compound ID643779
ChEMBL IDNot Available
ChemSpider ID558878
KEGG IDC09847
UniProt IDNot Available
OMIM ID
ChEBI ID29020
BioCyc IDNot Available
CTD IDNot Available
Stitch IDNot Available
PDB IDNot Available
ACToR IDNot Available
Wikipedia LinkCitral
References
Synthesis ReferenceNot Available
MSDSLink
General References
  1. Dudai N, Weinstein Y, Krup M, Rabinski T, Ofir R: Citral is a new inducer of caspase-3 in tumor cell lines. Planta Med. 2005 May;71(5):484-8. [15931590 ]
  2. Ortiz MI, Ramirez-Montiel ML, Gonzalez-Garcia MP, Ponce-Monter HA, Castaneda-Hernandez G, Carino-Cortes R: The combination of naproxen and citral reduces nociception and gastric damage in rats. Arch Pharm Res. 2010 Oct;33(10):1691-7. doi: 10.1007/s12272-010-1020-9. Epub 2010 Oct 30. [21052946 ]
  3. Lee HJ, Jeong HS, Kim DJ, Noh YH, Yuk DY, Hong JT: Inhibitory effect of citral on NO production by suppression of iNOS expression and NF-kappa B activation in RAW264.7 cells. Arch Pharm Res. 2008 Mar;31(3):342-9. doi: 10.1007/s12272-001-1162-0. Epub 2008 Apr 13. [18409048 ]
  4. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.
Gene Regulation
Up-Regulated GenesNot Available
Down-Regulated GenesNot Available

Targets

General Function:
Zinc ion binding
Specific Function:
Nuclear receptor that binds and is activated by variety of endogenous and xenobiotic compounds. Transcription factor that activates the transcription of multiple genes involved in the metabolism and secretion of potentially harmful xenobiotics, drugs and endogenous compounds. Activated by the antibiotic rifampicin and various plant metabolites, such as hyperforin, guggulipid, colupulone, and isoflavones. Response to specific ligands is species-specific. Activated by naturally occurring steroids, such as pregnenolone and progesterone. Binds to a response element in the promoters of the CYP3A4 and ABCB1/MDR1 genes.
Gene Name:
NR1I2
Uniprot ID:
O75469
Molecular Weight:
49761.245 Da
Binding/Activity Constants
TypeValueAssay TypeAssay Source
AC506.41 uMATG_PXR_TRANSAttagene
AC508.82 uMATG_PXRE_CISAttagene
References
  1. Sipes NS, Martin MT, Kothiya P, Reif DM, Judson RS, Richard AM, Houck KA, Dix DJ, Kavlock RJ, Knudsen TB: Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays. Chem Res Toxicol. 2013 Jun 17;26(6):878-95. doi: 10.1021/tx400021f. Epub 2013 May 16. [23611293 ]