| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-17 20:31:08 UTC |
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| Updated at | 2022-03-17 20:31:08 UTC |
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| NP-MRD ID | NP0046885 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Majaronin |
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| Description | Majoranin, also known as mucroflavone b or thymonin, belongs to the class of organic compounds known as 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. Thus, majoranin is considered to be a flavonoid lipid molecule. Majoranin is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. A trimethoxyflavone that is flavone substituted by methoxy groups at positions 7, 8 and 3' and hydroxy groups at positions 5, 6 and 4'. Outside of the human body, Majoranin has been detected, but not quantified in, sweet marjorams. Majaronin is found in Acinos alpinus , Acinos suaveolens, Calamintha nepeta , Calamintha sylvatica , Madia capitata, Mentha longifolia , Mentha piperita, Mentha pulegium , Mentha suaveolens , Mentha spicata , Mentha spp. , Mentha x piperita, Micromeria spp., Origanum akhadarense, Origanum boissieri, Origanum calcaratum, Origanum dictamnus , Origanum floribundum, Origanum hypercifolium, Origanum intercedens, Origanum micranthum, Origanum microphyllum, Origanum onites , Origanum spp., Origanum syriacum , Origanum vulgare , Origanum vulgare subsp. Glandulosum , Origanum vulgare subsp. Hirtum , Satureja salzmannii, Tanacetopsis mucronata, Thymus caespititius , Thymus mastichina , Thymus saturejoides, Thymus vulgaris and Ziziphora clinopodioides. Majaronin was first documented in 2002 (PMID: 12776552). This could make majoranin a potential biomarker for the consumption of these foods (PMID: 20521531) (PMID: 22155596). |
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| Structure | COC1=C(O)C=CC(=C1)C1=CC(=O)C2=C(O)C(O)=C(OC)C(OC)=C2O1 InChI=1S/C18H16O8/c1-23-12-6-8(4-5-9(12)19)11-7-10(20)13-14(21)15(22)17(24-2)18(25-3)16(13)26-11/h4-7,19,21-22H,1-3H3 |
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| Synonyms | | Value | Source |
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| 5,6,4'-Trihydroxy-7,8,3'-trimethoxyflavone | ChEBI | | 5,6-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7,8-dimethoxy-4H-1-benzopyran-4-one | ChEBI | | Mucroflavone b | ChEBI | | Thymonin | HMDB | | Majoranin | ChEBI |
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| Chemical Formula | C18H16O8 |
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| Average Mass | 360.3148 Da |
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| Monoisotopic Mass | 360.08452 Da |
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| IUPAC Name | 5,6-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-7,8-dimethoxy-4H-chromen-4-one |
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| Traditional Name | thymonin |
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| CAS Registry Number | 76844-67-2 |
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| SMILES | COC1=C(O)C=CC(=C1)C1=CC(=O)C2=C(O)C(O)=C(OC)C(OC)=C2O1 |
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| InChI Identifier | InChI=1S/C18H16O8/c1-23-12-6-8(4-5-9(12)19)11-7-10(20)13-14(21)15(22)17(24-2)18(25-3)16(13)26-11/h4-7,19,21-22H,1-3H3 |
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| InChI Key | BAIRXMVFPKLWSE-UHFFFAOYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| Not Available | | 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 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. |
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| Kingdom | Organic compounds |
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| Super Class | Phenylpropanoids and polyketides |
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| Class | Flavonoids |
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| Sub Class | O-methylated flavonoids |
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| Direct Parent | 8-O-methylated flavonoids |
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| Alternative Parents | |
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| Substituents | - 7-methoxyflavonoid-skeleton
- 8-methoxyflavonoid-skeleton
- 3p-methoxyflavonoid-skeleton
- Flavone
- Hydroxyflavonoid
- 6-hydroxyflavonoid
- 5-hydroxyflavonoid
- 4'-hydroxyflavonoid
- Chromone
- Methoxyphenol
- Benzopyran
- 1-benzopyran
- Anisole
- Methoxybenzene
- Phenoxy compound
- Phenol ether
- Alkyl aryl ether
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Pyranone
- Benzenoid
- Monocyclic benzene moiety
- Pyran
- Vinylogous acid
- Heteroaromatic compound
- Ether
- Organoheterocyclic compound
- Oxacycle
- Organic oxygen compound
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic 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 | - Zheng J, Zhao DS, Wu B, Wu LJ: [A study on chemical constituents in the herb of Mentha spicata]. Zhongguo Zhong Yao Za Zhi. 2002 Oct;27(10):749-51. [PubMed:12776552 ]
- Menelaou MA, Henandez HP, Macias FA, Weidenhamer JD, Williamson GB, Fronczek FR, Fischer HD, Fischer NH: Constituents of Calamintha ashei: effects on Florida sandhill species. Nat Prod Commun. 2010 May;5(5):685-94. [PubMed:20521531 ]
- Senejoux F, Demougeot C, Kerram P, Aisa HA, Berthelot A, Bevalot F, Girard-Thernier C: Bioassay-guided isolation of vasorelaxant compounds from Ziziphora clinopodioides Lam. (Lamiaceae). Fitoterapia. 2012 Mar;83(2):377-82. doi: 10.1016/j.fitote.2011.11.023. Epub 2011 Dec 4. [PubMed:22155596 ]
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