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István Zupkó
Researcher at University of Szeged
Publications - 254
Citations - 4889
István Zupkó is an academic researcher from University of Szeged. The author has contributed to research in topics: HeLa & Chemistry. The author has an hindex of 35, co-authored 230 publications receiving 4039 citations. Previous affiliations of István Zupkó include Katholieke Universiteit Leuven.
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Protective effects of the aerial parts of Salvia officinalis, Melissa Officinalis and Lavandula angustifolia and their constituents against enzyme-dependent and enzyme-independent lipid peroxidation.
TL;DR: The antioxidant effects of aqueous methanolic extracts from three medicinal Lamiaceae species were investigated and Phenolic components present in the plant extracts were evaluated for antioxidant activity and were found effective in both tests.
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Chlorogenic acid and rutin play a major role in the in vivo anti-diabetic activity of Morus alba leaf extract on type II diabetic rats.
TL;DR: Chlorogenic acid and rutin might account for as much as half the observed anti-diabetic activity of MA, hence they can be considered as excellent markers for the quality control of mulberry products.
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Antioxidant activity of leaves of Salvia species in enzyme-dependent and enzyme-independent systems of lipid peroxidation and their phenolic constituents.
TL;DR: The protective effects of eleven Salvia species native to Europe against enzyme-dependent and enzyme-independent lipid peroxidation were evaluated and the 50% aqueous methanolic extracts of the leaves of all tested plants were found to be more effective than the positive control alpha-tocopherol acid succinate.
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Antiproliferative effect of flavonoids and sesquiterpenoids from Achillea millefolium s.l. on cultured human tumour cell lines.
Boglárka Csupor-Löffler,Zsuzsanna Hajdú,István Zupkó,Borbála Réthy,George Falkay,Peter Forgo,Judit Hohmann +6 more
TL;DR: The antiproliferative assay demonstrated that centaureidin is the most effective constituent of the aerial parts of yarrow: high cell growth inhibitory activities were observed especially on HeLa and MCF‐7 cells, which is the first report on the occurrence of seco‐pseudoguaianolides in the Achillea genus.
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Diterpenoids and flavonoids from the fruits of Vitex agnus-castus and antioxidant activity of the fruit extracts and their constituents.
Zsuzsanna Hajdú,Judit Hohmann,Peter Forgo,Tamás A. Martinek,Máté Dervarics,István Zupkó,György Falkay,Dániel Cossuta,Imre Máthé +8 more
TL;DR: From the n‐hexane fraction of the fruits of Vitex agnus‐castus, eupatorin was identified for the first time, besides the known casticin, penduletin, vitexin and orientin, and the main flavonoid constituents of the EtOAc extract were assayed for antioxidant activity.