Browsing by Subject "Polyphenols"

Antibacterial and antioxidant activity of different types of honey derived from Mount Olympus in Greece

Stagos D., Soulitsiotis N., Tsadila C., Papaeconomou S., Arvanitis C., Ntontos A., Karkanta F., Adamou-Androulaki S., Petrotos K., Spandidos D.A., Kouretas D., Mossialos D. (2018)

The aim of the present study was to examine the antioxidant and antibacterial activity of 21 types of honey derived from Mount Olympus (Mt. Olympus), a region with great plant biodiversity. The antibacterial activity was ...

Anticarcinogenic activity of polyphenolic extracts from grape stems against breast, colon, renal and thyroid cancer cells

Sahpazidou, D.; Geromichalos, G. D.; Stagos, D.; Apostolou, A.; Haroutounian, S. A.; Tsatsakis, A. M.; Tzanakakis, G. N.; Hayes, A. W.; Kouretas, D. (2014)

A major part of the wineries' wastes is composed of grape stems which are discarded mainly in open fields and cause environmental problems due mainly to their high polyphenolic content. The grape stem extracts' use as a ...

Antioxidant effects of an olive oil total polyphenolic fraction from a Greek Olea europaea variety in different cell cultures

Kouka P., Chatzieffraimidi G.-A., Raftis G., Stagos D., Angelis A., Stathopoulos P., Xynos N., Skaltsounis A.-L., Tsatsakis A.M., Kouretas D. (2018)

Background: Numerous studies have been carried out concerning the advantageous health effects, especially the antioxidant effects, of olive oil's (OO) individual biophenolic compounds, but none until now for its total ...

Assessment of Fatty Acid Allocation in Plasma and Tissues in Piglets, Using Feed Supplemented with Byproducts from Processed Olive Mill Wastewater

Gerasopoulos K., Stagos D., Krouezas A., Karaveli C., Barda C., Gkika H., Mitsiou D., Petrotos K., Goulas P., Kouretas D. (2016)

BACKGROUND/AIM: A previous study revealed the improvement of redox status in blood and tissues of young piglets (ablactation period), that consumed feed containing polyphenolic additives from byproducts of processed olive ...

Assessment of polyphenolic content, antioxidant activity, protection against ROS-induced DNA damage and anticancer activity of Vitis vinifera stem extracts

Apostolou, A.; Stagos, D.; Galitsiou, E.; Spyrou, A.; Haroutounian, S.; Portesis, N.; Trizoglou, I.; Hayes, A. W.; Tsatsakis, A. M.; Kouretas, D. (2013)

Grape extracts and wine have been studied widely due to their beneficial effects on human health. However, there are only few studies from grape stems extracts. Therefore, the main objective of the present study was the ...

Assessment of the antioxidant activity of an olive oil total polyphenolic fraction and hydroxytyrosol from a Greek Olea europea variety in endothelial cells and myoblasts

Kouka P., Priftis A., Stagos D., Angelis A., Stathopoulos P., Xinos N., Skaltsounis A.-L., Mamoulakis C., Tsatsakis A.M., Spandidos D.A., Kouretas D. (2017)

Olive oil (OO) constitutes the basis of the Mediterranean diet, and it seems that its biophenols, such as hydroxytyrosol (HT) may scavenge free radicals, attracting distinct attention due to their beneficial effects in ...

The combined and single effect of salinity and copper stress on growth and quality of Mentha spicata plants

Chrysargyris A., Papakyriakou E., Petropoulos S.A., Tzortzakis N. (2019)

Copper is essential for plant growth, but in excess may cause adverse effects on plant physiology. Harmful effects are also caused by plant exposure to salinity (NaCl) due to the excessive use of fertilizers, soil degradation ...

Comparison of antioxidant activity between green and roasted coffee beans using molecular methods

Priftis A., Stagos D., Konstantinopoulos K., Tsitsimpikou C., Spandidos D.A., Tsatsakis A.M., Tzatzarakis M.N., Kouretas D. (2015)

Coffee is one of the most popular and widely consumed beverages worldwide due to its pleasant taste and aroma. A number of studies have been performed to elucidate the possible beneficial effects of coffee consumption on ...

Correlation of total polyphenolic content with antioxidant and antibacterial activity of 24 extracts from Greek domestic Lamiaceae species

Stagos, D.; Portesis, N.; Spanou, C.; Mossialos, D.; Aligiannis, N.; Chaita, E.; Panagoulis, C.; Reri, E.; Skaltsounis, L.; Tsatsakis, A. M.; Kouretas, D. (2012)

Lamiaceae family species are considered important because of their use in folk medicine, culinary and flavouring throughout the world. Their interesting bioactivities are attributed mainly to essential oils, polyphenols ...

Current evidence on the effect of dietary polyphenols intake on chronic diseases

Costa C., Tsatsakis A., Mamoulakis C., Teodoro M., Briguglio G., Caruso E., Tsoukalas D., Margina D., Dardiotis E., Kouretas D., Fenga C. (2017)

Polyphenols are secondary metabolites of plants. They comprise several antioxidant compounds and they are generally considered to be involved in the defense against human chronic diseases. During the last years, there has ...

Effect of cocoa products and its polyphenolic constituents on exercise performance and exercise-induced muscle damage and inflammation: A review of clinical trials

Marika M., Scoditti E., Carluccio M.A., Kaltsatou A., Cicchella A. (2019)

In recent years, the consumption of chocolate and, in particular, dark chocolate has been “rehabilitated” due to its high content of cocoa antioxidant polyphenols. Although it is recognized that regular exercise improves ...

Effect of Leguminosae family plant extracts and polyphenolic fractions on topoisomerase I-induced nicking of DNA

Spanou, C.; Aligiannis, N.; Skaltsounis, A. L.; Kouretas, D. (2008)

Topoisomerase I constitutes one of the enzymes playing crucial role in replication, transcription, recombination, chromosome condensation and maintenance of genome stability. Because it is an essential enzyme for vital ...

Effect of olive leaf (Olea europea L.) extracts on protein and lipid oxidation of long-term frozen n-3 fatty acids-enriched pork patties

Botsoglou, E.; Govaris, A.; Ambrosiadis, I.; Fletouris, D.; Botsoglou, N. (2014)

Our previous study has demonstrated the protective effects of olive leaf extracts on the oxidation of pork patties from n-3 fatty acid-enriched meat during refrigerated storage. The target of the present study was to examine ...

Effect of polyphenols from coffee and grape on gene expression in myoblasts

Priftis A., Goutzourelas N., Halabalaki M., Ntasi G., Stagos D., Amoutzias G.D., Skaltsounis L.A., Kouretas D. (2018)

Coffee and grape contain various bioactive compounds like polyphenols that may exert beneficial effects, especially antioxidant activity, on human health upon consumption. However, the molecular mechanisms through which ...

The effects of an olive fruit polyphenol-enriched yogurt on body composition, blood redox status, physiological and metabolic parameters and yogurt microflora

Georgakouli K., Mpesios A., Kouretas D., Petrotos K., Mitsagga C., Giavasis I., Jamurtas A.Z. (2016)

In the present study we investigated the effects of an olive polyphenol-enriched yogurt on yogurt microflora, as well as hematological, physiological and metabolic parameters, blood redox status and body composition. In a ...

Enhanced-performance extraction of olive (Olea europaea) leaf polyphenols using L-lactic acid/ammonium acetate deep eutectic solvent combined with β-cyclodextrin: screening, optimisation, temperature effects and stability

Chakroun D., Grigorakis S., Loupassaki S., Makris D.P. (2021)

This investigation had as objective to study the effective recovery of olive leaf (OLL) polyphenols using a blend of an L-lactic acid/ammonium acetate deep eutectic solvent (DES) with β-cyclodextrin (β-CD). Following an ...

Enhancement of Antioxidant Mechanisms and Reduction of Oxidative Stress in Chickens after the Administration of Drinking Water Enriched with Polyphenolic Powder from Olive Mill Waste Waters

Papadopoulou A., Petrotos K., Stagos D., Gerasopoulos K., Maimaris A., Makris H., Kafantaris I., Makri S., Kerasioti E., Halabalaki M., Brieudes V., Ntasi G., Kokkas S., Tzimas P., Goulas P., Zakharenko A.M., Golokhvast K.S., Tsatsakis A., Kouretas D. (2017)

The aim of the study was to examine the effects of a polyphenolic powder from olive mill wastewater (OMWW) administered through drinking water, on chickens' redox status. Thus, 75 chickens were divided into three groups. ...

Extracts from the mediterranean food plants Carthamus lanatus, Cichorium intybus, and Cichorium spinosum enhanced GSH levels and increased Nrf2 expression in human endothelial cells

Stagos D., Balabanos D., Savva S., Skaperda Z., Priftis A., Kerasioti E., Mikropoulou E.V., Vougogiannopoulou K., Mitakou S., Halabalaki M., Kouretas D. (2018)

The Mediterranean diet is considered to prevent several diseases. In the present study, the antioxidant properties of six extracts from Mediterranean plant foods were assessed. The extracts' chemical composition analysis ...

Feed supplemented with polyphenolic byproduct from olive mill wastewater processing improves the redox status in blood and tissues of piglets

Gerasopoulos K., Stagos D., Petrotos K., Kokkas S., Kantas D., Goulas P., Kouretas D. (2015)

In the present study, a polyphenolic byproduct from olive mill wastewater (OMWW) was used for making piglet feed with antioxidant activity. For examining the antioxidant capacity of the feed, 30 piglets of 20 d old were ...

Glycerol and glycerol-based deep eutectic mixtures as emerging green solvents for polyphenol extraction: The evidence so far

Makris D.P., Lalas S. (2020)

The acknowledgement that uncontrolled and excessive use of fossil resources has become a prime concern with regard to environmental deterioration, has shifted the orientation of economies towards the implementation of ...