Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Formulation Strategies to Improve Oral Bioavailability of Ellagic Acid

Version 1 : Received: 6 April 2020 / Approved: 7 April 2020 / Online: 7 April 2020 (12:02:54 CEST)

A peer-reviewed article of this Preprint also exists.

Zuccari, G.; Baldassari, S.; Ailuno, G.; Turrini, F.; Alfei, S.; Caviglioli, G. Formulation Strategies to Improve Oral Bioavailability of Ellagic Acid. Appl. Sci. 2020, 10, 3353. Zuccari, G.; Baldassari, S.; Ailuno, G.; Turrini, F.; Alfei, S.; Caviglioli, G. Formulation Strategies to Improve Oral Bioavailability of Ellagic Acid. Appl. Sci. 2020, 10, 3353.

Journal reference: Appl. Sci. 2020, 10, 3353
DOI: 10.3390/app10103353

Abstract

Ellagic acid, a polyphenolic compound present in fruits and berries, has recently been object of extensive research for its antioxidant activity, which might be useful for the prevention and treatment of cancer, cardiovascular pathologies, and neurodegenerative disorders. Its protective role justifies numerous attempts to include it in functional food preparations and in dietary supplements not only to limit the unpleasant collateral effects of chemotherapy. However, ellagic acid use as chemopreventive agent has been debated because of its poor bioavailability associated to low solubility, limited permeability, first pass effect, and interindividual variability in gut microbial transformations. To overcome these drawbacks, various strategies for oral administration including solid dispersions, micro-nanoparticles, inclusion complexes, self-emulsifying systems, polymorphs have been proposed. Here, we have listed an updated description of pursued micro/nanotechnological approaches focusing on the fabrication processes and the features of the obtained products, as well as on the positive results yielded by in vitro and in vivo studies in comparison to the raw material. The micro/nano-sized formulations here described might be exploited for pharmaceutical delivery of this active, as well as for the production of nutritional supplements or for the enrichment of novel foods.

Subject Areas

ellagic acid; oral administration; bioavailability; microformulations; nanoformulations; solubility enhancement

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