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Pharmacokinetics of B-Ring Unsubstituted Flavones

1
Department of Pharmaceutical Botany and Cell Biology, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
2
Department of Physical Chemistry and Colloidal Chemistry, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 020956 Bucharest 020956, Romania
3
Department of Toxicology, Clinical Pharmacology and Psychopharmacology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
*
Author to whom correspondence should be addressed.
Pharmaceutics 2019, 11(8), 370; https://doi.org/10.3390/pharmaceutics11080370
Received: 3 July 2019 / Revised: 23 July 2019 / Accepted: 23 July 2019 / Published: 1 August 2019
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Abstract

B-ring unsubstituted flavones (of which the most widely known are chrysin, baicalein, wogonin, and oroxylin A) are 2-phenylchromen-4-one molecules of which the B-ring is devoid of any hydroxy, methoxy, or other substituent. They may be found naturally in a number of herbal products used for therapeutic purposes, and several have been designed by researchers and obtained in the laboratory. They have generated interest in the scientific community for their potential use in a variety of pathologies, and understanding their pharmacokinetics is important for a grasp of their optimal use. Based on a comprehensive survey of the relevant literature, this paper examines their absorption (with deglycosylation as a preliminary step) and their fate in the body, from metabolism to excretion. Differences among species (inter-individual) and within the same species (intra-individual) variability have been examined based on the available data, and finally, knowledge gaps and directions of future research are discussed. View Full-Text
Keywords: B-ring unsubstituted flavones; chrysin; baicalein; wogonin; oroxylin A; pharmacokinetics B-ring unsubstituted flavones; chrysin; baicalein; wogonin; oroxylin A; pharmacokinetics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Ancuceanu, R.; Dinu, M.; Dinu-Pirvu, C.; Anuţa, V.; Negulescu, V. Pharmacokinetics of B-Ring Unsubstituted Flavones. Pharmaceutics 2019, 11, 370.

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