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28 results on '"Hener, U."'

1. Natürliche Duft- und Aromastoffe — Echtheitsbewertung mittels enantioselektiver Kapillar-GC und/oder Isotopenverhältnis-massenspektrometrie

Author

Mosandl, A., Hener, U., Fuchs, S., Günzler, Helmut, editor, Bahadir, A. Müfit, editor, Danzer, Klaus, editor, Engewald, Werner, editor, Fresenius, Wilhelm, editor, Galensa, Rudolf, editor, Huber, Walter, editor, Linscheid, Michael, editor, Schwedt, Georg, editor, Tölg, Günter, editor, Borsdorf, R., editor, Lüderwald, I., editor, and Wisser, H., editor

Published
2000
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2. Abstracts

Author

Miethke, H., Klostermeyer, H., Coduro, E., Werner, U., Steinhart, H., Engelhardt, U., Herrmann, K., Schwerdtfeger, E., Brauckhoff, S., Tofern, B., Hener, U., Wegner-Hambloch, S., Schrödter, R., Simat, T., Griffig, J., van Wickern, B., von Wachtendonk, D., Pabel, B., Scherz, H., Renger, A., Hagenauer-Hener, U., Meyer, S., Feldheim, W., Reiners, W., Galensa, R., Jahn, C., Hartmann, S., Männlein, E., Manthey, M., Karl, H., Wittmann, R., Täubert, T., Stumm, I., Täufel, A., Oehlenschläger, J., Köhnlein, M., Paschke, A., Hein, W., Ehlermann, D., Schynowski, F., Schlüter, S., Müller, B., Timm, M., Beil, D., Wedekind, R., Schulz, H., Lehmann, G., Zorn, H., Rei, J., Besler, M., Rohrdanz, A., Rathjen, T., Möller, M., von Rymon Lipinski, G., Lederer, M., Karg, J., Sengl, M., Seulen, P., Bauer, U., Majerus, P., Rothenbücher, L., Armbruster, W., Wettach, J., Hild, J., Vogelgesang, J., Wölwer-Rieck, U., van Lishaut, H., Hübner, D., Broschard, T., Carstensen, B., Breithaupt, D., Brüger, B., Kohl-Himmelseher, M., Bartsch, A., Lacorn, M., Schubring, R., Fritsche, J., Otteneder, H., Endres, O., Hahn, H., Rohse, H., Pfaff, K., Gutmacher, B., Stephani, A., Schmidt, C., and Krings, U.

Published
1996
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3. Abstracts

Author

Tofern, B., Simat, T., Schulz, H., von Wachtendonk, D., Wischmann, H., Schlüter, S., Beil, D., Eulitz, K., Miethke, Herrmann, K., Rehbein, H., Wittmann, R., Wegner-Hambloch, S., van Wickern, B., Besler, M., Steinhart, H., Fritsche, J., Täufel, A., Hener, U., Pabel, B., Reiners, W., Hein, W., Schwerdtfeger, E., Spiegel, H., Männlein, E., Haselein, I., Oehlenschläger, J., Griffig, J., Stumm, I., Karl, H., Krause, E., Reinders, G., Täubert, T., Heimhuber, B., Fretzdorff, B., Hartmann, S., Bezkorovainy, S., Hübner, D., Renger, A., Schindler, M., Feldheim, W., Broschard, T., Rathjen, T., von Rymon Lipinski, G., Jager, M., Honikel, M., Reiß, J., Lück, E., Vogelgesang, J., Timm, M., Möller, M., Armbruster, W., Gasser, U., Kettrup, P. A., Bauer, U., Food, J. J., Kotoucek, J., Köhnlein, M., Wettach, J., van Lishaut, H., Majerus, P., Brauckhoff, S., Hees, C., Otteneder, H., Rudolph, T., Lederer, M., Breithaupt, D., Wölwer-Rieck, U., Petridis, K. D., Brockmann, R., Luckas B., W., Rohrdanz, A., Endres, O., Schubring, R., Engelhardt, U., Krings, U., Schulz, C., Wedekind, R., Bohnenstengel, F., Kohl-Himmelseher, M., Bartsch, A., Marx, F., Schrödter, R., Stauff, D., Paschke, A., Martin, N., Hahn, H., Hagenauer-Hener, U., Mätzel, U., Stephani, A., Gutmacher, B., Schwack, W., Ehlermann, D., Öehlenschläger, J., and Seulen, P.

Published
1996
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4. Abstracts

Author

Hagenauer-Hener, U., Engelhardt, U., Kroh, L., Schulz, H., Schwerdtfeger, E., Herrmann, K., von Wachtendonk, D., Steinhart, H., Eulitz, K., Möller, M., Hener, U., Besler, M., Simat, T., van Wickern, B., Schulz, C., Feldheim, W., Scherz, H., Miethke, Manthey, M., Carstensen, B., Dillhage, N., Fritsche, J., Männlein, E., Wegner-Hambloch, S., Pabel, B., Pabel, S., Reiners, W., Heimhuber, B., Knerr, T., Renger, A., Täufel, A., Rathjen, T., Täubert, T., Timm, M., Otteneder, H., Hübner, D., Broschard, T., Hein, W., Zorn, H., van Lishaut, H., Kohl-Himmelseher, M., Reiß, J., Meyer, S., Schlüter, S., Mätzel, U., Brüger, B., Hartmann, S., Hees, C., Majerus, P., Beil, D., Breithaupt, D., Ledereraf, M., Seulen, P., Hild, J., Griffig, J., Wittmann, R., Armbruster, W., Wölwer-Rieck, U., Köhnlein, M., Wettach, J., Sengl, M., Bauer, U., Rohrdanz, A., Schynowski, F., Vogelgesang, J., Werner, U., Paschke, A., Spiegel, H., Bartsch, A., Bohnenstengel, F., Haselein, I., Karg, J., Brockmann, R., Schubring, R., Fretzdorff, B., Simat, Thomas, Marx, F., Endres, O., Wischmann, H., Schulz, Chr, Wedekind, R., Pfaff, K., Stephani, A., Raddatz, H., Ehlermann, D., Hahn, H., Rohse, H., and Krings, U.

Published
1996
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5. Abstracts

Author

Krings, U., Eichner, K., Hagenauer-Hener, U., Schulz, H., Reiners, W., Herrmann, K., von Wachtendonk, D., Bognár, A., Pabel, B., Rehbein, H., Feldheim, W., Griffig, J., Schwerdtfeger, E., Simat, T., Beil, D., Besler, M., Stephani, A., Täufel, A., Fretzdorff, B., Schulz, C., Spiegel, H., Wegner-Hambloch, S., Gasser, S., Timm, M., Knerr, T., Heimhuber, B., Engelhardt, U., Meyer, K., van Wickern, B., Wölwer-Rieck, U., Krause, E., Tofern, B., Ehlermann, D., Broschard, T., Winter, M., Jager, M., Schlüter, S., Hener, U., Steinhart, H., Bienzleau, B., Männlein, E., von Rymon Lipinski, G., Schwack, W., Meylahn, K., Seulen, P., Wischmann, H., Bauer, U., Rothenbücher, L., Brauckhoff, S., Hild, J., Scherbaum, E., Otteneder, H., Möller, M., Wittmann, R., Schmidt, C., Sengl, M., Brockmann, R., Manthey, M., Vogelgesang, J., Paschke, A., Plehn, G., Analyst, P., Rohrdanz, A., Karl, H., Oehlenschläger, J., Hübner, D., Reiß, J., Haselein, I., Weisshaar, R., Coors, U., Kohl-Himmelseher, M., Schrödter, R., Food, R., Schütz, S., Schmidt, S., Hartmann, S., Möller, C., Pfalzgraf, A., Lehmann, I., Marten, R., Schulz, Chr, Stauff, D., Petridis, K. D., Mätzel, U., Lück, E., Wedekind, R., Hees, C., Scherz, H., Bohnenstengel, F., Jungbluth, A., Schneider, R., Milczewski, K. E. v., Abraham, B., Langbehn, A., and Rathjen, T.

Published
1995
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6. Abstracts

Author

Rathjen, T., van Wickern, B., Hartmann, S., Heimhuber, B., Herrmann, K., Kroh, L., Schulz, H., von Wachtendonk, D., Hener, U., Simat, T., Möller, M., Meyer, K., Feldheim, W., Steinhart, H., Wischmann, H., Petridis, K., Wegner-Hambloch, S., Pabel, B., Eichner, K., Timm, M., Griffig, J., Gasser, S., Marten, R., Broschard, T., Schlüter, S., Fretzdorff, B., Scherz, H., Täufel, A., Täubert, T., Schulz, C., Gasser, U., Oehlenschläger, J., van Lishaut, H., Hahn, H., Reinders, G., Engelhardt, U., Männlein, E., Bartsch, A., Wedekind, R., Armbruster, W., Martin, N., Jager, M., Tofern, B., Reiners, W., Winter, M., Breithaupt, D., Lück, E., Pfalzgraf, A., Klages, U., Hemming, D., Beil, D., Meylahn, K., Bauer, U., Paschke, A., Lederer, M., Otteneder, H., Hees, C., Kyrein, H., Plehn, G., Besler, M., Rothenbücher, L., Vogelgesang, J., Wölwer-Rieck, U., Sengl, M., Hild, J., Marx, F., Schwack, W., Schindler, M., Man, M., Karl, H., Hübner, D., Rudolph, T., Haselein, I., Rohrdanz, A., Reiß, J., Spiegel, H., Brauckhoff, S., Kohl-Himmelseher, M., Bienzle, B., Schreiner, H., Bohnenstengel, F., Schubring, R., Endres, O., Langbehn, A., Knerr, T., Rothenbücher, L., Petridis, K. D., Stumm, I., Hagenauer-Hener, U., Stauff, D., Schwerdtfeger, E., Krause, E., Mätzel, U., Krings, U., Gutmacher, B., and Stephani, A.

Published
1995
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7. Abstract

Author

van Wickern, B., Schulz, C., Beil, D., Abraham, B., Schulz, H., Hener, U., Steinhart, H., Meyer, K., Täufel, A., Eichner, K., Wegner-Hambloch, S., Wischmann, H., Feldheim, W., Pabel, B., Fretzdorff, B., Petridis, K. D., Simat, Th., Männlein, E., Griffig, J., Gasser, S., Dillhage, N., Hemming, D., Krause, E., Karl, H., Pfalzgraf, A., Manthey, M., Weisshaar, R., Stephani, A., Herrmann, K., Bohnenstengel, F., Reiners, W., Reiß, J., Lück, E., Rathjen, T., Scherz, H., Coors, U., Sengl, M., Plehn, G., Meylahn, K., Brauckhoff, S., Seulen, P., Bauer, U., Schwack, W., Schmidt, C., Lehmann, I., Wachtendonk, D. v., von Wachtendonk, D., Hild, J., Möller, M., Hees, C., Kyrein, H. J., Vogelgesang, J., Brockmann, R., Haselein, I., Hagenauer-Hener, U., Wölwer-Rieck, U., Rohrdanz, A., Otteneder, H., Broschard, T., Schwerdtfeger, E., Winter, M., Milczewski, K. E. v., Krings, U., Rothenbücher, L., Heimhuber, B., Spiegel, H., Kohl-Himmelseher, M., Bienzle, B., Timm, M., Schreiner, H., Plaga-Lodde, A., Schmidt, S., Paschke, A., Schütz, S., Oehlenschläger, J., Schlüter, S., Bognár, A., Bartsch, A., Hübner, D., Schrödter, R., Langbehn, A., Stauff, D., Marten, R., Stumm, I., Martin, N., Maier, H., Pfaff, K., Gutmacher, B., Klages, U., Mätzel, U., and Gasse, U.

Published
1995
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9. Abstracts

Author

Paschke, A., Heimhuber, B., von Wachtendonk, D., Steinhart, H., Renger, A., Kroh, L., Wölwer-Rieck, U., Feldheim, W., Herrmann, K., Winter, M., Schulz, H., Wischmann, H., Reiners, W., Möller, M., Meyer, K., Rehbein, H., Engelhardt, U., Griffig, J., Pabel, B., Dillhage, N., Eichner, K., Timm, M., Manthey, M., Lederer, M., Haselein, I., Reinders, G., Scherzau, H., Knerr, T., Rohrdanz, A., Schwack, W., Schindlerau, M., Schrödter, R., Schlüter, S., Bartsch, A., Krings, U., Schmidt, S., Hener, U., Männlein, E., von Rymon Lipinski, G., Hein, W., Scherbaum, E., Majerus, P., Hees, C., Wittmann, R., Bauer, U., Hild, J., Seulen, P., Brauckhoff, S., van Lishaut, H., Brockmann, R., Hartmann, S., Hild, T., Rothenbücher, L., Vogelgesang, T., Plehn, G., Breithaupt, D., Rudolph, T., Wegner-Hambloch, S., Stephani, A., Stauff, D., Hübner, D., Broschard, T., Vogelgesang, J., Reiß, J., Petridis, K. D., Wedekind, R., Beil, D., Armbruster, W., Besler, M., Spiegel, H., Schreiner, H., Bohnenstengel, F., Karl, H., Ehlermann, D., Schubring, R., Hemming, D., Täubert, T., Rathjen, T., Miethke, Fretzdorff, B., Schwerdtfeger, E., Tofern, B., Simat, T., Täufel, A., Lück, E., Schulz, C., van Wickern, B., Meylahn, K., Hahn, H., Pfalzgraf, A., Otteneder, H., Holbach, B., Endres, O., Martin, N., Krause, E., Gasser, U., Köhnlein, M., Oehlenschläger, J., Stumm, I., Jungbluth, A., Sengl, M., Mätzel, U., Fischer, U., and Kohl-Himmelseher, M.

Published
1995
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10. Abstracts

Author

Kroh, L., Meylahn, K., Engelhardt, U., Simat, T., von Wachtendonk, D., Wegner-Hambloch, S., Reiners, W., Bienzle, B., Walther, C., Pabel, B., Rehbein, H., Herrmann, K., Abraham, B., Täufel, A., Griffig, J., van Wickern, B., Meyer, K., Hener, U., Feldheim, W., Fretzdorff, B., Spiegel, H., Brockmann, R., Jungbluth, A., Brümmer, H., Reinders, G., Brummer, H., Rohrdanz, A., Wischmann, H., Steinhart, H., Dillhage, N., Bohnenstengel, F., Haselein, I., Schulz, H., Männlein, E., Hild, J., Kring, U., Hahn, H., Wedekind, R., Klages, U., Lück, E., Schwack, W., Heimhuber, B., Rathjen, T., Langbehn, A., Knerr, T., Wiesner, F., Seulen, P., Reiß, J., Kleinau, H. -J., Broschard, T., Rymon Lipinski, G. -W. v., Schrödter, R., Kohl-Himmelseher, M., Hübner, D., Täubert, T., Scherz, H., Stauff, D., Schwerdtfeger, E., Wölwer-Rieck, U., Milczewski, K. E. v., Paschke, A., Winter, M., Marx, F., Schmid, W., Otteneder, H., Bartsch, A., Schütz, S., Engelhart, U., Rothenbücher, L., Marten, R., Endres, O., Platzer, P. -M., Martin, N., Maier, H., Mätzel, U., Hartmann, S., Bauer, U., Manthey, M., Giehl, R., Pfaff, K., Hees, C., Schmidt, C., Siewek, F., Peschla, S., Vogelgesang, J., Ehlermann, D., Kleinau, H., Meetschen, U., Gasser, U., Bognár, A., Sengl, M., Miethke, H., Oehlenschläger, J., Gude, T., and Brauckhoff, S.

Published
1994
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14. Abstract

Author

Wickern, B., primary, Schulz, C., additional, Beil, D., additional, Abraham, B., additional, Schulz, H., additional, Hener, U., additional, Steinhart, H., additional, Meyer, K., additional, T�ufel, A., additional, Eichner, K., additional, Wegner-Hambloch, S., additional, Wischmann, H., additional, Feldheim, W., additional, Pabel, B., additional, Fretzdorff, B., additional, Petridis, K. D., additional, Simat, Th., additional, M�nnlein, E., additional, Griffig, J., additional, Gasser, S., additional, Dillhage, N., additional, Hemming, D., additional, Krause, E., additional, Karl, H., additional, Pfalzgraf, A., additional, Manthey, M., additional, Weisshaar, R., additional, Stephani, A., additional, Herrmann, K., additional, Bohnenstengel, F., additional, Reiners, W., additional, Rei�, J., additional, L�ck, E., additional, Rathjen, T., additional, Scherz, H., additional, Coors, U., additional, Sengl, M., additional, Plehn, G., additional, Meylahn, K., additional, Brauckhoff, S., additional, Seulen, P., additional, Bauer, U., additional, Schwack, W., additional, Schmidt, C., additional, Lehmann, I., additional, Wachtendonk, D. v., additional, Wachtendonk, D., additional, Hild, J., additional, M�ller, M., additional, Hees, C., additional, Kyrein, H. J., additional, Vogelgesang, J., additional, Brockmann, R., additional, Haselein, I., additional, Hagenauer-Hener, U., additional, W�lwer-Rieck, U., additional, Rohrdanz, A., additional, Otteneder, H., additional, Broschard, T., additional, Schwerdtfeger, E., additional, Winter, M., additional, Milczewski, K. E. v., additional, Krings, U., additional, Rothenb�cher, L., additional, Heimhuber, B., additional, Spiegel, H., additional, Kohl-Himmelseher, M., additional, Bienzle, B., additional, Timm, M., additional, Schreiner, H., additional, Plaga-Lodde, A., additional, Schmidt, S., additional, Paschke, A., additional, Sch�tz, S., additional, Oehlenschl�ger, J., additional, Schl�ter, S., additional, Bogn�r, A., additional, Bartsch, A., additional, H�bner, D., additional, Schr�dter, R., additional, Langbehn, A., additional, Stauff, D., additional, Marten, R., additional, Stumm, I., additional, Martin, N., additional, Maier, H., additional, Pfaff, K., additional, Gutmacher, B., additional, Klages, U., additional, M�tzel, U., additional, and Gasse, U., additional

Published
1995
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15. Inter-laboratory comparison of elemental analysis and gas chromatography combustion isotope ratio mass spectrometry (GC-C-IRMS). Part I: δ13C measurements of selected compounds for the development of an isotopic Grob-test

Author

Serra, F., primary, Janeiro, A., additional, Calderone, G., additional, Rojas, J. M. Moreno, additional, Rhodes, C., additional, Gonthier, L. A., additional, Martin, F., additional, Lees, M., additional, Mosandl, A., additional, Sewenig, S., additional, Hener, U., additional, Henriques, B., additional, Ramalho, L., additional, Reniero, F., additional, Teixeira, A. J., additional, and Guillou, C., additional

Published
2007
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21. Abstract.

Author

Wickern, B., Schulz, C., Beil, D., Abraham, B., Schulz, H., Hener, U., Steinhart, H., Meyer, K., Täufel, A., Eichner, K., Wegner-Hambloch, S., Wischmann, H., Feldheim, W., Pabel, B., Fretzdorff, B., Petridis, K., Simat, Th., Männlein, E., Griffig, J., and Gasser, S.

Published
1995
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26. Liposome-incorporated DHA increases neuronal survival by enhancing non-amyloidogenic APP processing.

Author

Eckert GP, Chang S, Eckmann J, Copanaki E, Hagl S, Hener U, Müller WE, and Kögel D

Subjects
Animals, Calcium chemistry, Caspase 3 chemistry, Cell Survival, Endoplasmic Reticulum metabolism, Humans, Lipid Peroxidation, Liposomes metabolism, MAP Kinase Kinase 4 metabolism, Membrane Potentials, Oxygen chemistry, Rats, Amyloid beta-Protein Precursor chemistry, Docosahexaenoic Acids chemistry, Liposomes chemistry, Neurons metabolism
Abstract

The fluidity of neuronal membranes plays a pivotal role in brain aging and neurodegeneration. In this study, we investigated the role of the omega-3 fatty acid docosahexaenoic acid (DHA) in modulation of membrane fluidity, APP processing, and protection from cytotoxic stress. To this end, we applied unilamellar transfer liposomes, which provided protection from oxidation and effective incorporation of DHA into cell membranes. Liposomes transferring docosanoic acid (DA), the completely saturated form of DHA, to the cell cultures served as controls. In HEK-APP cells, DHA significantly increased membrane fluidity and non-amyloidogenic processing of APP, leading to enhanced secretion of sAPPα. This enhanced secretion of sAPPα was associated with substantial protection against apoptosis induced by ER Ca(2+) store depletion. sAPPα-containing supernatants obtained from HEK-APP cells exerted similar protective effects as DHA in neuronal PC12 cells and HEK293 control cells. Correlating to further increased sAPPα levels, supernatants obtained from DHA-treated HEK-APP cells enhanced protection, whereas supernatants obtained from DHA-treated HEK293 control cells did not inhibit apoptosis, likely due to the low expression of endogenous APP and negligible sAPPα secretion in these cells. Further experiments with the small molecule inhibitors LY294002 and SP600125 indicated that sAPPα-induced cytoprotection relied on activation of the anti-apoptotic PI3K/Akt pathway and inhibition of the stress-triggered JNK signaling pathway in PC12 cells. Our data suggest that liposomal DHA is able to restore or maintain physiological membrane properties, which are required for neuroprotective sAPPα secretion and autocrine modulation of neuronal survival., (Copyright © 2010 Elsevier B.V. All rights reserved.)

Published
2011
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27. Inter-laboratory comparison of elemental analysis and gas chromatography combustion isotope ratio mass spectrometry (GC-C-IRMS). Part I: delta13C measurements of selected compounds for the development of an isotopic Grob-test.

Author

Serra F, Janeiro A, Calderone G, Rojas JM, Rhodes C, Gonthier LA, Martin F, Lees M, Mosandl A, Sewenig S, Hener U, Henriques B, Ramalho L, Reniero F, Teixeira AJ, and Guillou C

Subjects
Europe, Reference Values, Carbon Isotopes chemistry, Carbon Isotopes standards, Food Analysis standards, Gas Chromatography-Mass Spectrometry standards, Laboratories standards
Abstract

This study was directed towards investigating suitable compounds to be used as stable isotope reference materials for gas chromatography combustion isotope ratio mass spectrometry (GC-C-IRMS) calibration. Several compounds were selected from those used in the 'Grob-test' mixture. Oxygen- and nitrogen-containing substances were added to these compounds to allow the mixture to be used as a possible multi-isotopic calibration tool for 2H/1H, 13C/12C, 15N/14N and 18O/16O ratio determinations. In this paper we present the results of delta13C measurements performed by the consortium of the five laboratories taking part in this inter-calibration exercise. All the compounds were individually assessed for homogeneity, short-term stability and long-term stability by means of EA-IRMS, as required by the bureau communitaire de reference (BCR) Guide for Production of Certified Reference Materials. The results were compared then with the GC-C-IRMS measurements using both polar and non-polar columns, and the final mixture of selected compounds underwent a further certification exercise assessing limits of accuracy and reproducibility under specified GC-C-IRMS conditions., (Copyright 2007 John Wiley & Sons, Ltd.)

Published
2007
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28. Comprehensive authentication of (E)-alpha(beta)-ionone from raspberries, using constant flow MDGC-C/P-IRMS and enantio-MDGC-MS.

Author

Sewenig S, Bullinger D, Hener U, and Mosandl A

Subjects
Food Analysis methods, Gas Chromatography-Mass Spectrometry, Fruit chemistry, Norisoprenoids analysis, Rosaceae chemistry
Abstract

A new coupling system of GC-GC, connected via a Multi Column Switching Device MCS2 for measuring isotope ratios, is introduced. By means of several standard substances the precise and accurate measurement of isotopic values is proved. First applications concerning the authentication of raspberry aroma compounds are established. Consequently, the combination of constant flow multidimensional gas chromatography-combustion/pyrolysis-isotope ratio mass spectrometry (MDGC-C/P-IRMS) is applied to the authenticity assessment of (E)-alpha(beta)-ionone from six different raspberry cultivars. Furthermore, 12 commercially available raspberry products and samples of (E)-alpha(beta)-ionone, some declared to be natural, are investigated. delta(2)Eta(V)(-)(SMOW) and delta(13)C(V)(-)(PDB) values of (E)-alpha(beta)-ionone are determined, and characteristic authenticity ranges were concluded from raspberries by correlation of both delta(2)Eta(V)(-)(SMOW) and delta(13)C( V)(-)(PDB) values. The results are correlated with the determination of enantiomeric purities of (E)-alpha-ionone, using stir bar sorptive extraction enantio-multidimensional gas chromatography mass spectrometry (SBSE-enantio-MDGC-MS).

Published
2005
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