Molecularly imprinted polymers: an innovative strategy for harvesting polyphenoles from grape seed extracts
Multiple sclerosis (MS) is a multifactorial autoimmune disease associating demyelination and axonal degeneration developing in young adults and affecting 2–3 million people worldwide. Plant polyphenols endowed with many therapeutic benefits associated with anti-inflammatory and antioxidant properties represent highly interesting new potential therapeutic strategies. We recently showed the safety and high efficiency of grape seed extract (GSE), a complex mixture of polyphenolics compounds comprising notably flavonoids and proanthocyanidins, in an experimental autoimmune encephalomyelitis (EAE) mouse model of MS.
We currently investigate molecularly imprinted polymers (MIPs) as a dedicated tool to efficiently extract polyphenols from GSE with high dosage, controlled composition and improved bioavailability. The materials will be tailored such that either a selection of already known and potent polyphenols will be extracted, or more generically, that the majority of GSE containing polyphenols will be extracted in a rather untargeted approach. The same MIPs based on biodegradeable polymers will be used as innovative pharmaceutical formulations / drug delivery matrices packaging the polyphenols extracted from grape by-products, which serve as a resource of bioactive compounds with the distinct circular economic effect of reducing winemaking environmental impact.
Acknowledgements: We would like to thank the International Ambition Pack from La Région Auvergne-Rhône-Alpes for support of this project.
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Issue: ICGWS 2023
1Ulm University, Institute of Analytical and Bioanalytical Chemistry, Ulm, Germany
2Hahn-Schickard, Ulm, Germany
3Université Clermont Auvergne, Department of Pharmacology, Clermont, France
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molecularly imprinted polymers, polyphenols, grape seed extract, multiple sclerosis