Permeability profile estimation of flavonoids and other phenolic compounds by biopartitioning micellar capillary chromatography |
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Authors: | Diniz Andréa Escuder-Gilabert Laura Lopes Norberto P Gobbo-Neto Leonardo Villanueva-Camañas Rosa María Sagrado Salvador Medina-Hernández María José |
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Affiliation: | Departamento de Ciências Farmacêuticas, CCS, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, PR 445 km 380, CEP 86051-990, Londrina, PR, Brazil. maria.j.medina@uv.es |
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Abstract: | This paper points out the usefulness of biopartitioning micellar chromatography (BMC) using capillary columns as a high-throughput primary screening tool providing key information about the oral absorption, skin permeability, and brain-blood distribution coefficients of 15 polyphenols (6 flavones, 2 flavonols, a flavanone, 2 flavan-3-ols, 3 phenolic acids, and a phloroglucinol) in a simple and economical way. For the compounds studied, except vicenin-2, rutin, chlorogenic acid, p-hydroxycinnamic acid, and 4-hydroxybenzoic acid, maximal oral absorption (>90%) can be expected, if there are not solubility problems or metabolic processes. On the other hand, the most retained compounds in BMC, that is, 5-hydroxyflavone, flavone, and flavanone, show the highest brain-blood distribution coefficients and skin permeability coefficients. |
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