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Items: 1 to 50 of 131

1.

The 10th international conference on countercurrent chromatography held at Technische Universität Braunschweig, Braunschweig, Germany, August 1-3, 2018.

Jerz G, Winterhalter P.

J Chromatogr A. 2019 Nov 11:460698. doi: 10.1016/j.chroma.2019.460698. [Epub ahead of print] Review.

PMID:
31810622
2.

Phenolic Composition, Radical Scavenging Activity and an Approach for Authentication of Aronia melanocarpa Berries, Juice, and Pomace.

Rodríguez-Werner M, Winterhalter P, Esatbeyoglu T.

J Food Sci. 2019 Jul;84(7):1791-1798. doi: 10.1111/1750-3841.14660. Epub 2019 Jun 17.

PMID:
31206724
3.

Activity-Guided Fractionation of Red Fruit Extracts for the Identification of Compounds Influencing Glucose Metabolism.

Ostberg-Potthoff JJ, Berger K, Richling E, Winterhalter P.

Nutrients. 2019 May 24;11(5). pii: E1166. doi: 10.3390/nu11051166.

4.

HILIC HPLC-ESI-MS/MS identification and quantification of the alkaloids from the genus Equisetum.

Tipke I, Bücker L, Middelstaedt J, Winterhalter P, Lubienski M, Beuerle T.

Phytochem Anal. 2019 Nov;30(6):669-678. doi: 10.1002/pca.2840. Epub 2019 May 22.

PMID:
31115949
5.

Synthesis of Deuterium-Labeled 1,1,6-Trimethyl-1,2-dihydronaphthalene (TDN) and Quantitative Determination of TDN and Isomeric Vitispiranes in Riesling Wines by a Stable-Isotope-Dilution Assay.

Gök R, Bechtloff P, Ziegler M, Schmarr HG, Fischer U, Winterhalter P.

J Agric Food Chem. 2019 Jun 5;67(22):6414-6422. doi: 10.1021/acs.jafc.9b01428. Epub 2019 May 24.

PMID:
31088051
6.

Effect of fertilization and arbuscular mycorrhizal fungal inoculation on antioxidant profiles and activities in Fragaria ananassa fruit.

Parada J, Valenzuela T, Gómez F, Tereucán G, García S, Cornejo P, Winterhalter P, Ruiz A.

J Sci Food Agric. 2019 Feb;99(3):1397-1404. doi: 10.1002/jsfa.9316. Epub 2018 Oct 10.

PMID:
30120790
7.

Effect of the frying process on the composition of hydroxycinnamic acid derivatives and antioxidant activity in flesh colored potatoes.

Ruiz A, Aguilera A, Ercoli S, Parada J, Winterhalter P, Contreras B, Cornejo P.

Food Chem. 2018 Dec 1;268:577-584. doi: 10.1016/j.foodchem.2018.06.116. Epub 2018 Jun 23.

PMID:
30064800
8.

A toolbox for microbore liquid chromatography tandem-high-resolution mass spectrometry analysis of albumin-adducts as novel biomarkers of organophosphorus pesticide poisoning.

von der Wellen J, Winterhalter P, Siegert M, Eyer F, Thiermann H, John H.

Toxicol Lett. 2018 Aug;292:46-54. doi: 10.1016/j.toxlet.2018.04.025. Epub 2018 Apr 25.

PMID:
29702198
9.

Crystal structure of akuammicine, an indole alkaloid from Catharanthus roseus.

Yahyazadeh M, Jerz G, Selmar D, Winterhalter P, Jones PG.

Acta Crystallogr E Crystallogr Commun. 2017 Oct 20;73(Pt 11):1658-1661. doi: 10.1107/S2056989017014529. eCollection 2017 Nov 1.

10.

Quantification of stilbenoids in grapevine canes and grape cluster stems with a focus on long-term storage effects on stilbenoid concentration in grapevine canes.

Ewald P, Delker U, Winterhalter P.

Food Res Int. 2017 Oct;100(Pt 3):326-331. doi: 10.1016/j.foodres.2017.08.003. Epub 2017 Aug 3.

PMID:
28964355
11.

Incidence of Pyrrolizidine Alkaloids in Herbal Medicines from German Retail Markets: Risk Assessments and Implications to Consumers.

Letsyo E, Jerz G, Winterhalter P, Lindigkeit R, Beuerle T.

Phytother Res. 2017 Dec;31(12):1903-1909. doi: 10.1002/ptr.5935. Epub 2017 Sep 28.

PMID:
28960556
12.

Evaluation of Grenache, Graciano and Tempranillo grape stilbene content after field applications of elicitors and nitrogen compounds.

Portu J, López R, Ewald P, Santamaría P, Winterhalter P, Garde-Cerdán T.

J Sci Food Agric. 2018 Mar;98(5):1856-1862. doi: 10.1002/jsfa.8662. Epub 2017 Oct 12.

PMID:
28885695
13.

Pyrrolizidine alkaloids in floral honeys of tropical Ghana: a health risk assessment.

Letsyo E, Jerz G, Winterhalter P, Dübecke A, von der Ohe W, von der Ohe K, Beuerle T.

Food Addit Contam Part B Surveill. 2017 Dec;10(4):300-310. doi: 10.1080/19393210.2017.1354336. Epub 2017 Jul 16.

PMID:
28701074
14.

Toxic pyrrolizidine alkaloids in herbal medicines commonly used in Ghana.

Letsyo E, Jerz G, Winterhalter P, Beuerle T.

J Ethnopharmacol. 2017 Apr 18;202:154-161. doi: 10.1016/j.jep.2017.03.008. Epub 2017 Mar 8.

PMID:
28284793
15.

Fractionation, enzyme inhibitory and cellular antioxidant activity of bioactives from purple sweet potato (Ipomoea batatas).

Esatbeyoglu T, Rodríguez-Werner M, Schlösser A, Winterhalter P, Rimbach G.

Food Chem. 2017 Apr 15;221:447-456. doi: 10.1016/j.foodchem.2016.10.077. Epub 2016 Oct 19.

PMID:
27979226
16.

Protein O-Mannosylation in the Murine Brain: Occurrence of Mono-O-Mannosyl Glycans and Identification of New Substrates.

Bartels MF, Winterhalter PR, Yu J, Liu Y, Lommel M, Möhrlen F, Hu H, Feizi T, Westerlind U, Ruppert T, Strahl S.

PLoS One. 2016 Nov 3;11(11):e0166119. doi: 10.1371/journal.pone.0166119. eCollection 2016.

17.

Fractionation of Plant Bioactives from Black Carrots (Daucus carota subspecies sativus varietas atrorubens Alef.) by Adsorptive Membrane Chromatography and Analysis of Their Potential Anti-Diabetic Activity.

Esatbeyoglu T, Rodríguez-Werner M, Schlösser A, Liehr M, Ipharraguerre I, Winterhalter P, Rimbach G.

J Agric Food Chem. 2016 Jul 27;64(29):5901-8. doi: 10.1021/acs.jafc.6b02292. Epub 2016 Jul 14.

PMID:
27362825
18.

Survey of pyrrolizidine alkaloids in seven varieties of Lappula squarrosa: An alternative source of heart-healthy vegetable oil.

Letsyo E, Jerz G, Winterhalter P, Horn G, Beuerle T.

Phytochem Anal. 2016 Mar-Apr;27(2):133-9. doi: 10.1002/pca.2608.

PMID:
26895990
19.

Chemical Characterization, Free Radical Scavenging, and Cellular Antioxidant and Anti-Inflammatory Properties of a Stilbenoid-Rich Root Extract of Vitis vinifera.

Esatbeyoglu T, Ewald P, Yasui Y, Yokokawa H, Wagner AE, Matsugo S, Winterhalter P, Rimbach G.

Oxid Med Cell Longev. 2016;2016:8591286. doi: 10.1155/2016/8591286. Epub 2015 Dec 14.

20.

Flavonoids from the flowers of Impatiens glandulifera Royle isolated by high performance countercurrent chromatography.

Vieira MN, Winterhalter P, Jerz G.

Phytochem Anal. 2016 Mar-Apr;27(2):116-25. doi: 10.1002/pca.2606. Epub 2016 Jan 11.

PMID:
26751603
21.

Isolation of cytotoxic diterpenoids from the Chilean medicinal plant Azorella compacta Phil from the Atacama Desert by high-speed counter-current chromatography.

Bórquez J, Bartolucci NL, Echiburú-Chau C, Winterhalter P, Vallejos J, Jerz G, Simirgiotis MJ.

J Sci Food Agric. 2016 Jun;96(8):2832-8. doi: 10.1002/jsfa.7451. Epub 2015 Oct 1.

PMID:
26425819
22.

Pyrrolizidine alkaloids in herbal teas for infants, pregnant or lactating women.

Mädge I, Cramer L, Rahaus I, Jerz G, Winterhalter P, Beuerle T.

Food Chem. 2015 Nov 15;187:491-8. doi: 10.1016/j.foodchem.2015.04.067. Epub 2015 Apr 22.

PMID:
25977055
23.

Schinus terebinthifolius scale-up countercurrent chromatography (Part I): High performance countercurrent chromatography fractionation of triterpene acids with off-line detection using atmospheric pressure chemical ionization mass spectrometry.

Vieira MN, Costa Fd, Leitão GG, Garrard I, Hewitson P, Ignatova S, Winterhalter P, Jerz G.

J Chromatogr A. 2015 Apr 10;1389:39-48. doi: 10.1016/j.chroma.2015.02.005. Epub 2015 Feb 11.

PMID:
25757818
24.

Isolation of dimeric, trimeric, tetrameric and pentameric procyanidins from unroasted cocoa beans (Theobroma cacao L.) using countercurrent chromatography.

Esatbeyoglu T, Wray V, Winterhalter P.

Food Chem. 2015 Jul 15;179:278-89. doi: 10.1016/j.foodchem.2015.01.130. Epub 2015 Feb 4.

PMID:
25722166
25.

Solvent system selectivities in countercurrent chromatography using Salicornia gaudichaudiana metabolites as practical example with off-line electrospray mass-spectrometry injection profiling.

Costa Fd, Jerz G, Figueiredo Fde S, Winterhalter P, Leitão GG.

J Chromatogr A. 2015 Mar 13;1385:20-7. doi: 10.1016/j.chroma.2015.01.043. Epub 2015 Jan 23.

PMID:
25678318
26.

Comparative biokinetics and metabolism of pure monomeric, dimeric, and polymeric flavan-3-ols: a randomized cross-over study in humans.

Wiese S, Esatbeyoglu T, Winterhalter P, Kruse HP, Winkler S, Bub A, Kulling SE.

Mol Nutr Food Res. 2015 Apr;59(4):610-21. doi: 10.1002/mnfr.201400422. Epub 2015 Feb 18.

PMID:
25546356
27.

Fractionation of an anthocyanin-rich bilberry extract and in vitro antioxidative activity testing.

Juadjur A, Mohn C, Schantz M, Baum M, Winterhalter P, Richling E.

Food Chem. 2015 Jan 15;167:418-24. doi: 10.1016/j.foodchem.2014.07.004. Epub 2014 Jul 10.

PMID:
25149006
28.

Semisynthetic preparation and isolation of dimeric procyanidins B1-B8 from roasted hazelnut skins (Corylus avellana L.) on a large scale using countercurrent chromatography.

Esatbeyoglu T, Juadjur A, Wray V, Winterhalter P.

J Agric Food Chem. 2014 Jul 23;62(29):7101-10. doi: 10.1021/jf501312a. Epub 2014 Jul 8.

PMID:
24976564
29.

Antiprotozoal activity of Buxus sempervirens and activity-guided isolation of O-tigloylcyclovirobuxeine-B as the main constituent active against Plasmodium falciparum.

Althaus JB, Jerz G, Winterhalter P, Kaiser M, Brun R, Schmidt TJ.

Molecules. 2014 May 15;19(5):6184-201. doi: 10.3390/molecules19056184.

30.

Preparative mass-spectrometry profiling of bioactive metabolites in Saudi-Arabian propolis fractionated by high-speed countercurrent chromatography and off-line atmospheric pressure chemical ionization mass-spectrometry injection.

Jerz G, Elnakady YA, Braun A, Jäckel K, Sasse F, Al Ghamdi AA, Omar MO, Winterhalter P.

J Chromatogr A. 2014 Jun 20;1347:17-29. doi: 10.1016/j.chroma.2014.04.068. Epub 2014 Apr 28.

PMID:
24831423
31.

Separation of amaranthine-type betacyanins by ion-pair high-speed countercurrent chromatography.

Jerz G, Gebers N, Szot D, Szaleniec M, Winterhalter P, Wybraniec S.

J Chromatogr A. 2014 May 30;1344:42-50. doi: 10.1016/j.chroma.2014.03.085. Epub 2014 Apr 12.

PMID:
24767836
32.

Metabolite profiling of polyphenols in peels of Citrus limetta Risso by combination of preparative high-speed countercurrent chromatography and LC-ESI-MS/MS.

Rodríguez-Rivera MP, Lugo-Cervantes E, Winterhalter P, Jerz G.

Food Chem. 2014 Sep 1;158:139-52. doi: 10.1016/j.foodchem.2014.02.077. Epub 2014 Feb 27.

PMID:
24731325
33.

Flavonoid Determination in the Quality Control of Floral Bioresidues from Crocus sativus L.

Serrano-Díaz J, Sánchez AM, Martínez-Tomé M, Winterhalter P, Alonso GL.

J Agric Food Chem. 2014 Apr 9;62(14):3125-3133. doi: 10.1021/jf4057023. Epub 2014 Mar 27.

PMID:
24650077
34.

High-speed countercurrent chromatographic recovery and off-line electrospray ionization mass spectrometry profiling of bisdesmodic saponins from Saponaria officinalis possessing synergistic toxicity enhancing properties on targeted antitumor toxins.

Thakur M, Jerz G, Tuwalska D, Gilabert-Oriol R, Wybraniec S, Winterhalter P, Fuchs H, Weng A.

J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Apr 1;955-956:1-9. doi: 10.1016/j.jchromb.2014.02.008. Epub 2014 Feb 19.

PMID:
24631804
35.

Influence of post-pruning storage on stilbenoid levels in Vitis vinifera L. canes.

Gorena T, Saez V, Mardones C, Vergara C, Winterhalter P, von Baer D.

Food Chem. 2014 Jul 15;155:256-63. doi: 10.1016/j.foodchem.2014.01.073. Epub 2014 Jan 30.

PMID:
24594183
36.

Persea americana Mill. Seed: Fractionation, Characterization, and Effects on Human Keratinocytes and Fibroblasts.

Ramos-Jerz Mdel R, Villanueva S, Jerz G, Winterhalter P, Deters AM.

Evid Based Complement Alternat Med. 2013;2013:391247. doi: 10.1155/2013/391247. Epub 2013 Nov 28.

37.

Identification of two novel Prodelphinidin A-type dimers from roasted hazelnut skins ( Corylus avellana L.).

Esatbeyoglu T, Wray V, Winterhalter P.

J Agric Food Chem. 2013 Dec 26;61(51):12640-5. doi: 10.1021/jf404549w. Epub 2013 Dec 17.

PMID:
24313330
38.

Protein O-mannosylation is crucial for E-cadherin-mediated cell adhesion.

Lommel M, Winterhalter PR, Willer T, Dahlhoff M, Schneider MR, Bartels MF, Renner-Müller I, Ruppert T, Wolf E, Strahl S.

Proc Natl Acad Sci U S A. 2013 Dec 24;110(52):21024-9. doi: 10.1073/pnas.1316753110. Epub 2013 Dec 2.

39.

Purification and gas chromatography-combustion-isotope ratio mass spectrometry of aroma compounds from green tea products and comparison to bulk analysis.

Murata A, Engelhardt UH, Fleischmann P, Yamada K, Yoshida N, Juchelka D, Hilkert A, Ohnishi T, Watanabe N, Winterhalter P.

J Agric Food Chem. 2013 Nov 27;61(47):11321-5. doi: 10.1021/jf403605a. Epub 2013 Nov 18.

PMID:
24206364
40.

O-glycosylation of the non-canonical T-cadherin from rabbit skeletal muscle by single mannose residues.

Winterhalter PR, Lommel M, Ruppert T, Strahl S.

FEBS Lett. 2013 Nov 15;587(22):3715-21. doi: 10.1016/j.febslet.2013.09.041. Epub 2013 Oct 7.

41.

Activity-guided isolation of resveratrol oligomers from a grapevine-shoot extract using countercurrent chromatography.

Macke S, Jerz G, Empl MT, Steinberg P, Winterhalter P.

J Agric Food Chem. 2012 Dec 5;60(48):11919-27. doi: 10.1021/jf3030584. Epub 2012 Nov 26.

PMID:
23157192
42.

Stilbene levels and antioxidant activity of Vranec and Merlot wines from Macedonia: effect of variety and enological practices.

Kostadinović S, Wilkens A, Stefova M, Ivanova V, Vojnoski B, Mirhosseini H, Winterhalter P.

Food Chem. 2012 Dec 15;135(4):3003-9. doi: 10.1016/j.foodchem.2012.06.118. Epub 2012 Jul 14.

PMID:
22980903
43.

Isorhapontigenin: a novel bioactive stilbene from wine grapes.

Fernández-Marín MI, Guerrero RF, García-Parrilla MC, Puertas B, Richard T, Rodriguez-Werner MA, Winterhalter P, Monti JP, Cantos-Villar E.

Food Chem. 2012 Dec 1;135(3):1353-9. doi: 10.1016/j.foodchem.2012.05.086. Epub 2012 May 30.

PMID:
22953865
44.

The growth of the canine glioblastoma cell line D-GBM and the canine histiocytic sarcoma cell line DH82 is inhibited by the resveratrol oligomers hopeaphenol and r2-viniferin.

Empl MT, Macke S, Winterhalter P, Puff C, Lapp S, Stoica G, Baumgärtner W, Steinberg P.

Vet Comp Oncol. 2014 Jun;12(2):149-59. doi: 10.1111/j.1476-5829.2012.00349.x. Epub 2012 Aug 10.

PMID:
22882564
45.

Characterisation of odour-active compounds in aged rum.

Pino JA, Tolle S, Gök R, Winterhalter P.

Food Chem. 2012 Jun 1;132(3):1436-1441. doi: 10.1016/j.foodchem.2011.11.133. Epub 2011 Dec 8.

PMID:
29243633
46.

Development of a novel adsorptive membrane chromatographic method for the fractionation of polyphenols from bilberry.

Juadjur A, Winterhalter P.

J Agric Food Chem. 2012 Mar 14;60(10):2427-33. doi: 10.1021/jf2047724. Epub 2012 Feb 28.

PMID:
22309451
47.

Stilbene levels in grape cane of different cultivars in southern Chile: determination by HPLC-DAD-MS/MS method.

Vergara C, von Baer D, Mardones C, Wilkens A, Wernekinck K, Damm A, Macke S, Gorena T, Winterhalter P.

J Agric Food Chem. 2012 Feb 1;60(4):929-33. doi: 10.1021/jf204482c. Epub 2012 Jan 17.

PMID:
22224931
48.

Methylation of catechins and procyanidins by rat and human catechol-O-methyltransferase: metabolite profiling and molecular modeling studies.

Weinert CH, Wiese S, Rawel HM, Esatbeyoglu T, Winterhalter P, Homann T, Kulling SE.

Drug Metab Dispos. 2012 Feb;40(2):353-9. doi: 10.1124/dmd.111.041871. Epub 2011 Nov 9.

PMID:
22071171
49.

Isolation and identification of phenolic compounds from rum aged in oak barrels by high-speed countercurrent chromatography/high-performance liquid chromatography-diode array detection-electrospray ionization mass spectrometry and screening for antioxidant activity.

Regalado EL, Tolle S, Pino JA, Winterhalter P, Menendez R, Morales AR, Rodríguez JL.

J Chromatogr A. 2011 Oct 14;1218(41):7358-64. doi: 10.1016/j.chroma.2011.08.068. Epub 2011 Aug 25.

PMID:
21907994
50.

Application of centrifugal precipitation chromatography and high-speed counter-current chromatography equipped with a spiral tubing support rotor for the isolation and partial characterization of carotenoid cleavage-like enzymes in Enteromorpha compressa (L.) Nees.

Baldermann S, Mulyadi AN, Yang Z, Murata A, Fleischmann P, Winterhalter P, Knight M, Finn TM, Watanabe N.

J Sep Sci. 2011 Oct;34(19):2759-64. doi: 10.1002/jssc.201100508. Epub 2011 Aug 24.

PMID:
21898817

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