Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-11 22:37:45 UTC |
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Update Date | 2022-03-07 02:55:18 UTC |
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HMDB ID | HMDB0037384 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Granatin B |
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Description | Granatin B belongs to the class of organic compounds known as hydrolyzable tannins. These are tannins with a structure characterized by either of the following models. In model 1, the structure contains galloyl units (in some cases, shikimic acid units) that are linked to diverse polyol carbohydrate-, catechin-, or triterpenoid units. In model 2, contains at least two galloyl units C-C coupled to each other, and do not contain a glycosidically linked catechin unit. Granatin B is an extremely weak basic (essentially neutral) compound (based on its pKa). Outside of the human body, granatin b has been detected, but not quantified in, fruits and pomegranates. This could make granatin b a potential biomarker for the consumption of these foods. Granatin B is an ellagitannin found in the fruit of Punica granatum (pomegranate). It is a molecule having an enantiomeric dehydrohexahydroxydiphenoyl group. It is a highly active carbonic anhydrase inhibitor. |
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Structure | OC1=CC(=CC(O)=C1O)C(=O)OC1OC2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC3C2OC(=O)C2=CC(O)=C(O)C4=C2C2C(=CC(=O)C(O)(O4)C2(O)O)C(=O)OC13 InChI=1S/C41H28O27/c42-13-1-8(2-14(43)24(13)48)34(54)67-39-33-32-30(64-37(57)11-5-17(46)27(51)31-22(11)23-12(38(58)66-33)6-19(47)41(61,68-31)40(23,59)60)18(63-39)7-62-35(55)9-3-15(44)25(49)28(52)20(9)21-10(36(56)65-32)4-16(45)26(50)29(21)53/h1-6,18,23,30,32-33,39,42-46,48-53,59-61H,7H2 |
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Synonyms | Value | Source |
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1,16,17,18,21,22,23,34,35,39,39-Undecahydroxy-2,5,13,26,31-pentaoxo-6,9,12,27,30,40-hexaoxaoctacyclo[34.3.1.0⁴,³⁸.0⁷,²⁸.0¹⁰,²⁹.0¹⁴,¹⁹.0²⁰,²⁵.0³²,³⁷]tetraconta-3,14,16,18,20,22,24,32,34,36-decaen-8-yl 3,4,5-trihydroxybenzoic acid | Generator |
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Chemical Formula | C41H28O27 |
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Average Molecular Weight | 952.6448 |
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Monoisotopic Molecular Weight | 952.08179569 |
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IUPAC Name | 1,16,17,18,21,22,23,34,35,39,39-undecahydroxy-2,5,13,26,31-pentaoxo-6,9,12,27,30,40-hexaoxaoctacyclo[34.3.1.0⁴,³⁸.0⁷,²⁸.0¹⁰,²⁹.0¹⁴,¹⁹.0²⁰,²⁵.0³²,³⁷]tetraconta-3,14,16,18,20,22,24,32,34,36-decaen-8-yl 3,4,5-trihydroxybenzoate |
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Traditional Name | 1,16,17,18,21,22,23,34,35,39,39-undecahydroxy-2,5,13,26,31-pentaoxo-6,9,12,27,30,40-hexaoxaoctacyclo[34.3.1.0⁴,³⁸.0⁷,²⁸.0¹⁰,²⁹.0¹⁴,¹⁹.0²⁰,²⁵.0³²,³⁷]tetraconta-3,14,16,18,20,22,24,32,34,36-decaen-8-yl 3,4,5-trihydroxybenzoate |
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CAS Registry Number | 77322-54-4 |
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SMILES | OC1=CC(=CC(O)=C1O)C(=O)OC1OC2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC3C2OC(=O)C2=CC(O)=C(O)C4=C2C2C(=CC(=O)C(O)(O4)C2(O)O)C(=O)OC13 |
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InChI Identifier | InChI=1S/C41H28O27/c42-13-1-8(2-14(43)24(13)48)34(54)67-39-33-32-30(64-37(57)11-5-17(46)27(51)31-22(11)23-12(38(58)66-33)6-19(47)41(61,68-31)40(23,59)60)18(63-39)7-62-35(55)9-3-15(44)25(49)28(52)20(9)21-10(36(56)65-32)4-16(45)26(50)29(21)53/h1-6,18,23,30,32-33,39,42-46,48-53,59-61H,7H2 |
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InChI Key | OYPBFXPEIVEPRY-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as hydrolyzable tannins. These are tannins with a structure characterized by either of the following models. In model 1, the structure contains galloyl units (in some cases, shikimic acid units) that are linked to diverse polyol carbohydrate-, catechin-, or triterpenoid units. In model 2, contains at least two galloyl units C-C coupled to each other, and do not contain a glycosidically linked catechin unit. |
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Kingdom | Organic compounds |
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Super Class | Phenylpropanoids and polyketides |
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Class | Tannins |
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Sub Class | Hydrolyzable tannins |
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Direct Parent | Hydrolyzable tannins |
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Alternative Parents | Not Available |
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Substituents | Not Available |
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | Not Available |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 285 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesNot Available |
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