| Description | Calystegine B2, also known as nortropanoline or calystegine b(4), belongs to the class of organic compounds known as tropane alkaloids. These are organic compounds containing the nitrogenous bicyclic alkaloid parent N-Methyl-8-azabicyclo[3.2.1]Octane. Calystegine B2 is a very strong basic compound (based on its pKa). Outside of the human body, Calystegine B2 has been detected, but not quantified in, several different foods, such as alcoholic beverages, eggplants, fruits, potato, and swamp cabbages. Calystegine B2 is found in Argyreia capitata, Argyreia hookeri Clarke, Atropa belladonna , Bonamia semidigyna, Bonamia spectabilis, Brunfelsia nitida, Calystegia japonica Choisy , Calystegia sepium , Calystegia soldanella (L.) Roem.et Schult. , Convolvulus arvensis L , Convolvulus caput-medusae Lowe, Convolvulus cneorum L., Convolvulus sabatius ssp.mauritanicus, Convolvulus spp., Datura wrightii, Dichondra repens , Duboisia leichhardtii, Duboisia leichhardtii F.Muell, Erycibe malaccensis, Erycibe parvifolia, Erythroxylum novogranatense, Evolvulus argyreus, Falkia repens L., Hyoscyamus albus , Hyoscyamus niger , Ipomoea alba , Ipomoea batatas , Ipomoea batatas Lam.var.edulis Makino , Ipomoea carnea, Ipomoea carnea Jacq. , Ipomoea eremnobracha, Ipomoea hederifolia, Ipomoea obscura Ker. , Ipomoea pes-caprae (L.) Sweet , Ipomoea setifera , Iseia luxurians, Lycium chinense , Mandragora autumnalis , Mandragora officinarum, Mandragora officinarum L. , Maripa panamensis, Merremia quinquefolia , Merremia umbellata , Morus alba, Morus australis, Physalis alkekengi , Physalis alkekengi var.francheti , Physalis lagascae, Porana volubilis, Quamoclit angulata Bojer., Scopolia japonica , Solanum dimidiatum, Solanum dulcamara , Solanum kwebense, Solanum sodomaeum, Stictocardia campanulata, Turbina abutiloides, Withania frutescens and Withania somnifera . This could make calystegine B2 a potential biomarker for the consumption of these foods. |
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| Structure | InChI=1S/C7H13NO4/c9-4-3-1-2-7(12,8-3)6(11)5(4)10/h3-6,8-12H,1-2H2 |
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