Abstract Title:

Chokeberry anthocyanins and their metabolites ability to cross the blood-cerebrospinal fluid barrier.

Abstract Source:

Food Chem. 2020 Nov 28:128730. Epub 2020 Nov 28. PMID: 33293147

Abstract Author(s):

Natalia Płatosz, Natalia Bączek, Joanna Topolska, Dorota Szawara-Nowak, Janina Skipor, Stanisław Milewski, Wiesław Wiczkowski

Article Affiliation:

Natalia Płatosz


The aim of this study was to determine whether anthocyanins and their phase II metabolites permeate the blood-cerebrospinal fluid barrier (B-CSF-B) of sheep and to profile these compounds in sheep biofluids after chokeberry intraruminal administration. Anthocyanins were analyzed using micro-HPLC-MS/MS. After chokeberry administration, anthocyanins were absorbed and occurred in body fluids mainly in the form of methylated, glucuronidated, and sulfated derivatives (in total, 21 derivatives were identified). The study showed that anthocyanins penetrated the B-CSF-B and their change in profile and concentration in the cerebrospinal fluid (CSF) resulted from fluctuations in concentrations of these compounds in blood plasma, although the presence of various cyanidin derivatives in CSF also depended on their chemical structure. The biological fate of chokeberry anthocyanins, from absorption into blood to penetration into CSF, was tracked to facilitate the design of further experimental procedures to determine the biological properties of these compounds, including potentially neuroprotective activities.

Study Type : In Vitro Study

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Sayer Ji
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