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Spogli R, Bastianini M, Ragonese F, Iannitti RG, Monarca L, Bastioli F, Nakashidze I, Brecchia G, Menchetti L, Codini M, Arcuri C, Mancinelli L, Fioretti B. Solid Dispersion of Resveratrol Supported on Magnesium DiHydroxide (Resv@MDH) Microparticles Improves Oral Bioavailability. Nutrients 2018; 10:nu10121925. [PMID: 30563110 PMCID: PMC6315708 DOI: 10.3390/nu10121925] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 11/21/2018] [Accepted: 11/26/2018] [Indexed: 12/21/2022] Open
Abstract
Resveratrol, because of its low solubility in water and its high membrane permeability, is collocated in the second class of the biopharmaceutical classification system, with limited bioavailability due to its dissolution rate. Solid dispersion of resveratrol supported on Magnesium DiHydroxide (Resv@MDH) was evaluated to improve solubility and increase bioavailability of resveratrol. Fluorimetric microscopy analysis displays three types of microparticles with similar size: Type 1 that emitted preferably fluorescence at 445 nm with bandwidth of 50 nm, type 2 that emitted preferably fluorescence at 605 nm with bandwidth of 70 nm and type 3 that is non-fluorescent. Micronized pure resveratrol displays only microparticles type 1 whereas type 3 are associated to pure magnesium dihydroxide. Dissolution test in simulated gastric environment resveratrol derived from Resv@MDH in comparison to resveratrol alone displayed better solubility. A 3-fold increase of resveratrol bioavailability was observed after oral administration of 50 mg/kg of resveratrol from Resv@MDH in rabbits. We hypothesize that type 2 microparticles represent magnesium dihydroxide microparticles with a resveratrol shell and that they are responsible for the improved resveratrol solubility and bioavailability of Resv@MDH.
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Affiliation(s)
- Roberto Spogli
- Prolabin & Tefarm, Spin-Off Un. of University of Perugia, Via Dell'Acciaio 9, Ponte Felcino, 06134 Perugia, Italy.
| | - Maria Bastianini
- Prolabin & Tefarm, Spin-Off Un. of University of Perugia, Via Dell'Acciaio 9, Ponte Felcino, 06134 Perugia, Italy.
| | - Francesco Ragonese
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
- Department of Experimental Medicine, Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132 Perugia, Italy.
| | | | - Lorenzo Monarca
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Federica Bastioli
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Irina Nakashidze
- Department of Biology, Faculty of Natural Science and Health Care, Batumi Shota Rustaveli State University, 6010 Batumi, Georgia.
| | - Gabriele Brecchia
- Department of Veterinary Science, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy.
| | - Laura Menchetti
- Department of Veterinary Science, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy.
| | - Michela Codini
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia, Italy.
| | - Cataldo Arcuri
- Department of Experimental Medicine, Perugia Medical School, University of Perugia, Piazza Lucio Severi 1, 06132 Perugia, Italy.
| | - Loretta Mancinelli
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
| | - Bernard Fioretti
- Department of Chemistry, Biology and Biotechnologies, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy.
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