Search Results - "Papagiannopoulos, Menelaos"

(-)-Catechin in Cocoa and Chocolate: Occurence and Analysis of an Atypical Flavan-3-ol Enantiomer by Kofink, Michael, Papagiannopoulos, Menelaos, Galensa, Rudolf

“…Cocoa contains high levels of different flavonoids. In the present study, the enantioseparation of catechin and epicatechin in cocoa and cocoa products by…”
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Identification and quantification of polyphenols in carob fruits (Ceratonia siliqua L.) and derived products by HPLC-UV-ESI/MSn by Papagiannopoulos, M, Wollseifen, H.R, Mellenthin, A, Haber, B, Galensa, R

“…The polyphenolic patterns of carob pods (Ceratonia siliqua L.) and derived products were identified and quantified using high-performance liquid…”
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Enantioseparation of catechin and epicatechin in plant food by chiral capillary electrophoresis by Kofink, Michael, Papagiannopoulos, Menelaos, Galensa, Rudolf

“…The enantiomers of catechin and epicatechin were separated by chiral capillary electrophoresis using modified cyclodextrins as chiral selectors. Various…”
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A shortcut from plasma to chromatographic analysis: Straightforward and fast sample preparation for analysis of green tea catechins in human plasma by Zimmermann, Benno F., Papagiannopoulos, Menelaos, Brachmann, Sonja, Lorenz, Mario, Stangl, Verena, Galensa, Rudolf

“…This paper describes a new and straightforward method for determination of the green tea catechins epicatechin, epicatechin gallate, epigallocatechin, and…”
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Immunomodulatory properties of a lemon-quince preparation (Gencydo ®) as an indicator of anti-allergic potency by Gründemann, Carsten, Papagiannopoulos, Menelaos, Lamy, Evelyn, Mersch-Sundermann, Volker, Huber, Roman

“…Gencydo ®, a combination of lemon ( Citrus limon) juice and aqueous quince ( Cydonia oblonga) extract has been used traditionally in anthroposophical medicine…”
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Separation of Steviol Glycosides by Hydrophilic Liquid Interaction Chromatography by Zimmermann, Benno F., Woelwer-Rieck, Ursula, Papagiannopoulos, Menelaos

“…Stevia rebaudiana Bertoni contains several steviol glycosides with sweet flavour. They all are sweeter than sucrose (up to factor 450). The various steviol…”
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Variation in flavonoid pattern in leaves and flowers of Primula veris of different origin and impact of UV-B by El Morchid, El Mostafa, Torres Londoño, Paula, Papagiannopoulos, Menelaos, Gobbo-Neto, Leonardo, Müller, Caroline

“…Flavonoids can serve as chemotaxonomic markers and play an important role in protection against ultraviolet (UV) radiation. Primula veris originating from two…”
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Total Oxidant Scavenging Capacity of Euterpe oleracea Mart. (Açaí) Seeds and Identification of Their Polyphenolic Compounds by Rodrigues, Roberta B, Lichtenthäler, Ramona, Zimmermann, Benno F, Papagiannopoulos, Menelaos, Fabricius, Heinz, Marx, Friedhelm, Maia, José G. S, Almeida, Ossalin

“…The antioxidant capacity of methanol and ethanol seed extracts from Euterpe oleracea Mart. (açaí) against the reactive oxygen species (ROS) peroxyl radicals,…”
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Total oxidant scavenging capacities of Euterpe oleracea Mart. (Açaí) fruits by Lichtenthäler, Ramona, Rodrigues, Roberta Belandrino, Maia, José Guilherme S, Papagiannopoulos, Menelaos, Fabricius, Heinz, Marx, Friedhelm

“…The antioxidant capacities of 11 commercial and non-commercial samples of Euterpe oleracea Mart. (açaí) fruit pulp were studied with the total oxidant…”
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Online coupling of pressurized liquid extraction, solid-phase extraction and high-performance liquid chromatography for automated analysis of proanthocyanidins in malt by Papagiannopoulos, Menelaos, Zimmermann, Benno, Mellenthin, Annett, Krappe, Martin, Maio, Giovanni, Galensa, Rudolf

“…A new instrumental setup for automated extraction of solid samples by online coupling of pressurized liquid extraction, automated SPE (solid-phase extraction)…”
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Automated sample preparation by pressurized liquid extraction–solid-phase extraction for the liquid chromatographic–mass spectrometric investigation of polyphenols in the brewing process by Papagiannopoulos, Menelaos, Mellenthin, Annett

“…The analysis of polyphenols from solid plant or food samples usually requires laborious sample preparation. The liquid extraction of these compounds from the…”
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Effect of high dose folic acid therapy on hyperhomocysteinemia in hemodialysis patients : Results of the Vienna multicenter study by SUNDER-PLASSMANN, G, FÖDINGER, M, AUINGER, M, BARNAS, U, HÖRL, W. H, BUCHMAYER, H, PAPAGIANNOPOULOS, M, WOJCIK, J, KLETZMAYR, J, ENZENBERGER, B, JANATA, O, WINKELMAYER, W. C, PAUL, G

“…Homocysteine is associated with atherosclerosis and enhanced cardiovascular risk. In previous studies, treatment with folic acid up to 15 mg/d failed to…”
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Effect of MTHFR 1298A→C and MTHFR 677C→T genotypes on total homocysteine, folate, and vitamin B12 plasma concentrations in kidney graft recipients by FÖDINGER, Manuela, BUCHMAYER, Heidi, HEINZ, Gotfried, PAPAGIANNOPOULOS, Menelaos, KLETZMAYR, Josef, RASOUL-ROCKENSCHAUB, Susanne, HÖRL, Walter H, SUNDER-PLASSMANN, Gere

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(-)-Catechin in cocoa and chocolate: occurrence and analysis of an atypical flavan-3-ol enantiomer by Kofink, Michael, Papagiannopoulos, Menelaos, Galensa, Rudolf

“…Cocoa contains high levels of different flavonoids. In the present study, the enantioseparation of catechin and epicatechin in cocoa and cocoa products by…”
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Identification and Quantification of Polyphenols in Carob Fruits (Ceratonia siliqua L.) and Derived Products by HPLC-UV-ESI/MS n by Papagiannopoulos, Menelaos, Wollseifen, Hans Rainer, Mellenthin, Annett, Haber, Bernd, Galensa, Rudolf

“…The polyphenolic patterns of carob pods (Ceratonia siliqua L.) and derived products were identified and quantified using high-performance liquid…”
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Homocysteine levels in polycythaemia vera and essential thrombocythaemia by Gisslinger, Heinz, Rodeghiero, Francesco, Ruggeri, Marco, Heis‐Vahidi Fard, Navide, Mannhalter, Christine, Papagiannopoulos, Menelaos, Rintelen, Claudia, Lalouschek, Wolfgang, Knöbl, Paul, Lechner, Klaus, Pabinger, Ingrid

“…Patients with polycythaemia vera (PV) or essential thrombocythaemia (ET) have an increased risk of arterial and venous thromboembolic complications. Since…”
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Efficacy of folinic versus folic acid for the correction of hyperhomocysteinemia in hemodialysis patients by Hauser, Anna-Christine, Hagen, Wolfgang, Rehak, Peter H., Buchmayer, Heidi, Födinger, Manuela, Papagiannopoulos, Menelaos, Bieglmayer, Christian, Aspner, Robert, Köller, Elke, Ignatescu, Mihaela, Hörl, Walter H., Sunder-Plassmann, Gere

“…The effectiveness of intravenous folinic acid or intravenous folic acid for the treatmentof hyperhomocysteinemia of hemodialysis patients is unknown. In a…”
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Association of two MTHFR polymorphisms with total homocysteine plasma levels in dialysis patients by Födinger, Manuela, Buchmayer, Heidi, Heinz, Gotfried, Papagiannopoulos, Menelaos, Kletzmayr, Josef, Perschl, Agnes, Vychytil, Andreas, Hörl, Walter H., Sunder-Plassmann, Gere

“…The effect of the combined 5,10-methylenetetrahydrofolate reductase (MTHFR) 677C→T and 1298A→C genotype on total homocysteine (tHcy), folate, and vitamin B12…”
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Peritoneal elimination of homocysteine moieties in continuous ambulatory peritoneal dialysis patients by Vychytil, Andreas, Födinger, Manuela, Papagiannopoulos, Menelaos, Wölfl, Gabriele, Hörl, Walter H., Sunder-Plassmann, Gere

“…Peritoneal elimination of homocysteine moieties in continuous ambulatory peritoneal dialysis patients. The amount of total homocysteine eliminated by…”
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Effect of MTHFR 1298A-->C and MTHFR 677C-->T genotypes on total homocysteine, folate, and vitamin B(12) plasma concentrations in kdiney graft recipients by Födinger, Manuela, Buchmayer, Heidi, Heinz, Gotfried, Papagiannopoulos, Menelaos, Kletzmayr, Josef, Rasoul-Rockenschaub, Susanne, Hörl, Walter H, Sunder-Plassmann, Gere

“…The effect of 5,10-methylenetetrahydrofolate reductase (MTHFR) 677C-->T and 1298A-->C on total homocysteine (tHcy), folate and vitamin B(12) levels was…”
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