| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-17 20:52:50 UTC |
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| Updated at | 2022-03-17 20:52:50 UTC |
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| NP-MRD ID | NP0048207 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Cucurbitaxanthin A |
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| Description | Cucurbitaxanthin A belongs to the class of organic compounds known as xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone. Cucurbitaxanthin A is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, Cucurbitaxanthin A has been detected, but not quantified in, several different foods, such as winter squash, fruits, italian sweet red peppers, red bell peppers, and pepper (c. Frutescens). This could make cucurbitaxanthin a a potential biomarker for the consumption of these foods. |
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| Structure | C\C(\C=C\C=C(/C)\C=C\C1=C(C)CC(O)CC1(C)C)=C/C=C\C=C(\C)/C=C/C=C(/C)\C=C\C12OC(CC1(C)C)CC2(C)O InChI=1S/C40H56O3/c1-29(17-13-19-31(3)21-22-36-33(5)25-34(41)26-37(36,6)7)15-11-12-16-30(2)18-14-20-32(4)23-24-40-38(8,9)27-35(43-40)28-39(40,10)42/h11-24,34-35,41-42H,25-28H2,1-10H3/b12-11-,17-13+,18-14+,22-21+,24-23+,29-15+,30-16-,31-19+,32-20- |
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| Synonyms | | Value | Source |
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| (3S,3'r,5R,6R)-3,6-Epoxy-5,6-dihydro-3',5-dihydroxy-beta,beta-carotene | HMDB | | 3,6-Epoxy-5,6-dihydro-b,b-carotene-3',5-diol | HMDB | | Zeaxanthin 3,6-epoxide (incorr.) | HMDB | | Cucurbitaxanthin a | MeSH |
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| Chemical Formula | C40H56O3 |
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| Average Mass | 584.8708 Da |
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| Monoisotopic Mass | 584.42295 Da |
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| IUPAC Name | 1-[(1E,3Z,5E,7Z,9Z,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl]-2,6,6-trimethyl-7-oxabicyclo[2.2.1]heptan-2-ol |
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| Traditional Name | 1-[(1E,3Z,5E,7Z,9Z,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl]-2,6,6-trimethyl-7-oxabicyclo[2.2.1]heptan-2-ol |
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| CAS Registry Number | 103955-77-7 |
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| SMILES | C\C(\C=C\C=C(/C)\C=C\C1=C(C)CC(O)CC1(C)C)=C/C=C\C=C(\C)/C=C/C=C(/C)\C=C\C12OC(CC1(C)C)CC2(C)O |
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| InChI Identifier | InChI=1S/C40H56O3/c1-29(17-13-19-31(3)21-22-36-33(5)25-34(41)26-37(36,6)7)15-11-12-16-30(2)18-14-20-32(4)23-24-40-38(8,9)27-35(43-40)28-39(40,10)42/h11-24,34-35,41-42H,25-28H2,1-10H3/b12-11-,17-13+,18-14+,22-21+,24-23+,29-15+,30-16-,31-19+,32-20- |
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| InChI Key | LMIFPRVTIOZTJN-NYORYHGYSA-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 xanthophylls. These are carotenoids containing an oxygenated carotene backbone. Carotenes are characterized by the presence of two end-groups (mostly cyclohexene rings, but also cyclopentene rings or acyclic groups) linked by a long branched alkyl chain. Carotenes belonging form a subgroup of the carotenoids family. Xanthophylls arise by oxygenation of the carotene backbone. |
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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 | Tetraterpenoids |
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| Direct Parent | Xanthophylls |
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| Alternative Parents | |
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| Substituents | - Xanthophyll
- Monosaccharide
- Tetrahydrofuran
- Tertiary alcohol
- Cyclic alcohol
- Secondary alcohol
- Oxacycle
- Organoheterocyclic compound
- Ether
- Dialkyl ether
- Organic oxygen compound
- Hydrocarbon derivative
- Organooxygen compound
- Alcohol
- Aliphatic heteropolycyclic compound
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| Molecular Framework | Aliphatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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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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