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Author

Romanos Karakalides

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Open access Aug 2026

Ultrasound-Assisted Acid-Catalyzed Isopropanol Organosolv Treatment of Grape Stems Induces Alterations in the Polyphenolic Composition and Antioxidant Activity

Grape stems (GSs), a key by-product of winemaking, are a rich source of bioactive polyphenols and have potential applications in functional foods, antioxidant additives, and cosmetics. In this study, the production of polyphenol-rich extracts from GS using an ultrasound-assisted, acid-catalyzed organosolv process was e...

Romanos Karakalides, S. Grigorakis, S. Kallithraka et al. · 0 citations

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