Record Information |
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Version | 1.0 |
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Creation date | 2010-04-08 22:05:30 UTC |
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Update date | 2019-11-26 02:57:55 UTC |
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Primary ID | FDB002752 |
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Secondary Accession Numbers | Not Available |
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Chemical Information |
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FooDB Name | Gardenin B |
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Description | Gardenin b, also known as demethyltangeretin or 5-hydroxy-4',6,7,8-tetramethoxyflavone, is a member of the class of compounds known as 8-o-methylated flavonoids. 8-o-methylated flavonoids are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. Thus, gardenin b is considered to be a flavonoid lipid molecule. Gardenin b is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). Gardenin b can be found in mandarin orange (clementine, tangerine), peppermint, sweet basil, and winter savory, which makes gardenin b a potential biomarker for the consumption of these food products. |
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CAS Number | 2798-20-1 |
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Structure | |
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Synonyms | |
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Predicted Properties | |
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Chemical Formula | C19H18O7 |
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IUPAC name | 5-hydroxy-6,7,8-trimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one |
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InChI Identifier | InChI=1S/C19H18O7/c1-22-11-7-5-10(6-8-11)13-9-12(20)14-15(21)17(23-2)19(25-4)18(24-3)16(14)26-13/h5-9,21H,1-4H3 |
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InChI Key | LXEVSYZNYDZSOB-UHFFFAOYSA-N |
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Isomeric SMILES | COC1=CC=C(C=C1)C1=CC(=O)C2=C(O1)C(OC)=C(OC)C(OC)=C2O |
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Average Molecular Weight | 358.342 |
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Monoisotopic Molecular Weight | 358.10525293 |
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Classification |
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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 | - 4p-methoxyflavonoid-skeleton
- 6-methoxyflavonoid-skeleton
- 8-methoxyflavonoid-skeleton
- 7-methoxyflavonoid-skeleton
- 5-hydroxyflavonoid
- Flavone
- Hydroxyflavonoid
- Chromone
- Benzopyran
- 1-benzopyran
- Phenol ether
- Anisole
- Methoxybenzene
- Phenoxy compound
- Pyranone
- Alkyl aryl ether
- Monocyclic benzene moiety
- Pyran
- Benzenoid
- Heteroaromatic compound
- Vinylogous acid
- 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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Ontology |
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Ontology | No ontology term |
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Physico-Chemical Properties |
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Physico-Chemical Properties - Experimental | |
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Spectra |
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Spectra | |
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EI-MS/GC-MS | Not Available |
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MS/MS | Type | Description | Splash Key | View |
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Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0a4i-0009000000-94235dbf8f75c99fbd22 | 2016-08-02 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0a4i-0009000000-927ca53e683bc4ba6953 | 2016-08-02 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-03di-0259000000-dea961e95f28fe0273c2 | 2016-08-02 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0a4i-0009000000-86528933f1fb5f6f49bf | 2016-08-03 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0a4i-0009000000-779d95151f886854293c | 2016-08-03 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-01oy-2195000000-06c67f7a540f7657254d | 2016-08-03 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-0a4i-0009000000-9216d00d19e0b6ee7720 | 2021-10-21 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-0a4i-0009000000-e8d30684b099443b2b9d | 2021-10-21 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-014u-0369000000-064772e20e1e0bcdf3cc | 2021-10-21 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-0a4i-0009000000-c2a6e417d0c66429ddb2 | 2021-10-21 | View Spectrum | Predicted MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-0btc-0009000000-3fa5c4168345d9b2222f | 2021-10-21 | View Spectrum |
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NMR | Not Available |
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External Links |
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ChemSpider ID | Not Available |
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ChEMBL ID | Not Available |
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KEGG Compound ID | C15109 |
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Pubchem Compound ID | 96539 |
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Pubchem Substance ID | Not Available |
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ChEBI ID | Not Available |
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Phenol-Explorer ID | 273 |
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DrugBank ID | Not Available |
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HMDB ID | Not Available |
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CRC / DFC (Dictionary of Food Compounds) ID | CNL42-X:CNL46-B |
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EAFUS ID | Not Available |
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Dr. Duke ID | GARDENIN-B |
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BIGG ID | Not Available |
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KNApSAcK ID | C00003883 |
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HET ID | Not Available |
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Food Biomarker Ontology | Not Available |
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VMH ID | Not Available |
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Flavornet ID | Not Available |
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GoodScent ID | Not Available |
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SuperScent ID | Not Available |
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Wikipedia ID | Not Available |
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Phenol-Explorer Metabolite ID | Not Available |
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Duplicate IDS | Not Available |
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Old DFC IDS | Not Available |
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Associated Foods |
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Biological Effects and Interactions |
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Health Effects / Bioactivities | Not Available |
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Enzymes | Not Available |
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Pathways | Not Available |
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Metabolism | Not Available |
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Biosynthesis | Not Available |
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Organoleptic Properties |
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Flavours | Not Available |
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Files |
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MSDS | Not Available |
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References |
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Synthesis Reference | Not Available |
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General Reference | Not Available |
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Content Reference | — Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004). — Rothwell JA, Pérez-Jiménez J, Neveu V, Medina-Ramon A, M'Hiri N, Garcia Lobato P, Manach C, Knox K, Eisner R, Wishart D, Scalbert A. (2013) Phenol-Explorer 3.0: a major update of the Phenol-Explorer database to incorporate data on the effects of food processing on polyphenol content. Database, 10.1093/database/bat070. — Shinbo, Y., et al. 'KNApSAcK: a comprehensive species-metabolite relationship database.' Plant Metabolomics. Springer Berlin Heidelberg, 2006. 165-181.
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