| Record Information |
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| Version | 2.0 |
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| Created at | 2022-05-30 16:52:43 UTC |
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| Updated at | 2022-05-30 16:52:43 UTC |
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| NP-MRD ID | NP0137446 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Citral |
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| Description | Cis-Citral, also known as citral b or neral, belongs to the class of organic compounds known as acyclic monoterpenoids. These are monoterpenes that do not contain a cycle. Thus, cis-citral is considered to be an isoprenoid lipid molecule. Cis-Citral is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Cis-Citral is a sweet, citral, and lemon tasting compound. Outside of the human body, cis-Citral is found, on average, in the highest concentration within a few different foods, such as gingers, lemon balms, and limes and in a lower concentration in parsley, mandarin orange (clementine, tangerine), and sweet basils. Cis-Citral has also been detected, but not quantified in, several different foods, such as wild celeries, pepper (c. Annuum), salmonberries, swiss chards, and celery stalks. Citral is found in Aframomum angustifolium, Aleuroglyphus ovatus, Aloysia citrodora, Aloysia triphylla, Artemisia arborescens, Artemisia capillaris, Artemisia fragrans, Artemisia tridentata, Aster scaber, Atalantia buxifolia, Baccharis dracunculifolia, Baccharis linearifolia, Backhousia citriodora, Bellis perennis, Boesenbergia rotunda, Bunium persicum, Bupleurum fruticescens, Calyptranthes spruceana, Cannabis sativa, Cinnamomum osmophloeum, Cinnamomum sieboldii, Citrullus lanatus, Citrus aurantium, Citrus junos, Citrus limon, Citrus medica, Citrus paradisi, Citrus reticulata, Citrus sinensis, Citrus unshiu, Citrus wilsonii, Cleistopholis patens, Cymbopogon citratus, Cymbopogon distans, Cymbopogon flexuosus, Cymbopogon martinii, Cymbopogon nardus, Daphne odora, Diplotaenia cachrydifolia, Dracocephalum kotschyi, Dracocephalum moldavica, Elionurus muticus, Elsholtzia blanda, Elsholtzia ciliata, Elsholtzia fruticosa, Helichrysum amorginum, Helichrysum taenari, Hexalobus monopetalus, Humulus lupulus, Lantana camara, Lippia alba, Litchi chinensis, Litsea cubeba, Magnolia salicifolia, Malus domestica, Melissa officinalis, Micromeria biflora, Micromeria sinaica, Micromeria varia, Monarda fistulosa, Myrtus communis, Ocimum basilicum, Ocimum gratissimum, Paeonia lactiflora, Pectis brevipedunculata, Pectis elongata, Pelargonium citronellum, Pieris napi, Pimenta racemosa, Piper fimbriulatum, Pistacia atlantica, Pistacia vera, Plumeria rubra, Polygala senega, Rauvolfia serpentina, Rhodiola rosea, Rosa centifolia, Rosa gallica, Salvia sclarea, Satureja cuneifolia, Solanum tuberosum, Suidasia medanensis, Thymbra capitata, Thymus citriodorus, Thymus longicaulis, Thymus pulegioides, Thymus sipyleus, Vaccinium corymbosum, Xenophyllum poposum, Zanthoxylum chalybeum, Zingiber mioga and Zingiber officinale. Citral was first documented in 2005 (PMID: 15931590). This could make cis-citral a potential biomarker for the consumption of these foods (PMID: 24066512) (PMID: 21809949) (PMID: 23938144) (PMID: 21052946). |
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| Structure | InChI=1S/C10H16O/c1-9(2)5-4-6-10(3)7-8-11/h5,7-8H,4,6H2,1-3H3/b10-7- |
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| Synonyms | | Value | Source |
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| Citral b | ChEBI | | Lemonal | ChEBI | | Neral | Kegg | | (Z)-Citral | HMDB | | Citral | HMDB | | (2Z)-3,7-Dimethyl-2,6-octadien-1-al | HMDB | | (2Z)-3,7-Dimethyl-2,6-octadienal | HMDB | | (Z)-3,7-Dimethyl-2,6-octadienal | HMDB | | (Z)-Neral | HMDB | | 2-cis-3,7-Dimethyl-2,6-octadienal | HMDB | | 3,7-Dimethyl-2,6-octadien-1-al | HMDB | | 3,7-Dimethyl-2,6-octadienal | HMDB | | beta-Citral | HMDB | | cis-3,7-Dimethyl-2,6-octadienal | HMDB | | cis-Geranial | HMDB | | Β-citral | HMDB | | cis-Citral | ChEBI |
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| Chemical Formula | C10H16O |
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| Average Mass | 152.2370 Da |
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| Monoisotopic Mass | 152.12012 Da |
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| IUPAC Name | (2Z)-3,7-dimethylocta-2,6-dienal |
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| Traditional Name | neral |
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| CAS Registry Number | Not Available |
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| SMILES | CC(C)=CCC\C(C)=C/C=O |
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| InChI Identifier | InChI=1S/C10H16O/c1-9(2)5-4-6-10(3)7-8-11/h5,7-8H,4,6H2,1-3H3/b10-7- |
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| InChI Key | WTEVQBCEXWBHNA-YFHOEESVSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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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
- Medium-chain aldehyde
- Enal
- Alpha,beta-unsaturated aldehyde
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aldehyde
- Aliphatic acyclic compound
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| Molecular Framework | Aliphatic acyclic compounds |
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| External Descriptors | |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Hamdan D, Ashour ML, Mulyaningsih S, El-Shazly A, Wink M: Chemical composition of the essential oils of variegated pink-fleshed lemon (Citrus x limon L. Burm. f.) and their anti-inflammatory and antimicrobial activities. Z Naturforsch C J Biosci. 2013 Jul-Aug;68(7-8):275-84. [PubMed:24066512 ]
- 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. doi: 10.1055/s-2005-864146. [PubMed:15931590 ]
- Taherpour AA, Maroofi H, Rafie Z, Larijani K: Chemical composition analysis of the essential oil of Melissa officinalis L. from Kurdistan, Iran by HS/SPME method and calculation of the biophysicochemical coefficients of the components. Nat Prod Res. 2012;26(2):152-60. doi: 10.1080/14786419.2010.534733. Epub 2011 Aug 2. [PubMed:21809949 ]
- Michaelakis A, Vidali VP, Papachristos DP, Pitsinos EN, Koliopoulos G, Couladouros EA, Polissiou MG, Kimbaris AC: Bioefficacy of acyclic monoterpenes and their saturated derivatives against the West Nile vector Culex pipiens. Chemosphere. 2014 Feb;96:74-80. doi: 10.1016/j.chemosphere.2013.07.032. Epub 2013 Aug 12. [PubMed:23938144 ]
- 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. [PubMed:21052946 ]
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