Study of Food Chemistry at the University of Stuttgart/Hohenheim
diploma thesis at the Institute of Food Chemistry at the main focus of Carotinoides:
"Extraction und HPLC determination of free and esterified β-Cryptoxanthine as well as apocarotenale in tissues of animals"
dissertation theme: "chiral anteiso fatty acides"
Membership in Oganisations:
Gesellschaft Deutscher Chemiker (GDCh)
Lebensmittelchemische Gesellschaft
Publications:
Poster:
Compound-specific and enantioselective synthesis of branched-chain fatty acids; Saskia Thurnhofer, Walter Vetter, Fredrick Lindström, Gerhard Gröbner
34. Deutscher Lebensmittelchemikertag/EURO FOOD CHEM XIII 2005, Hamburg/Germany
Testing of new internal standards for the gas chromatographic determination of fatty acid methyl esters in food; Saskia Thurnhofer, Walter Vetter
34. Deutscher Lebensmittelchemikertag/EURO FOOD CHEM XIII 2005, Hamburg/Germany
GC/EI-MS-SIM determination of branched-chain fatty acids in food after selective enrichment; Saskia Thurnhofer, Kathrin Mayer and Walter Vetter University of Hohenheim, Institute of Food Chemistry, Garbenstr. 28, 70599 Stuttgart, Germany
3rd Euro Fed Lipid Congress 2004, Edinburgh, Scotland
Determination of fatty acid methyl esters by GC/EI-MS in the selected ion monitoring mode; Saskia Thurnhofer, Walter Vetter University Hohenheim, Institute of food chemistry, Garbenstr. 28, 70599 Stuttgart, Germany
3rd Euro Fed Lipid Congress 2004, Edinburgh, Scotland
GC/MS-determination of branched-chain fatty acids in food; Thurnhofer, S., Stuttgart/D, Mayer, K., Stuttgart/D, Vetter, W., Stuttgart/D Institute of Food Chemistry (170b), University of Hohenheim, 70593 Stuttgart, Germany
33. Deutscher Lebensmittelchemikertag 2004, Bonn/D
Quantitative Bestimmung von Minorfettsäuren in verschiedenen Lebensmitteln; Saskia Thurnhofer, Ramona Jenske, Walter Vetter, Stuttgart/D Institut für Lebensmittelchemie (170b), Universität Hohenheim, 70593 Stuttgart
Regionaltagung Karlsruhe/GErmany 2006
Gaschromatographische Enantiomerentrennung von chiralen substituierten Fettsäuren; Ramona Jenske, Saskia Thurnhofer, Stuttgart/D Institut für Lebensmittelchemie (170b), Universität Hohenheim, 70593 Stuttgart
Regionaltagung der Lebensmittelchemischen Gesellschaft Süd-West 2006, Karlsruhe/Germany
Enantioselektive Bestimmung von Anteisofettsäuren in Milchprodukten; Saskia Thurnhofer, Simone Hauff, Georg Hottinger, Walter Vetter
36. Deutscher Lebensmittelchemikertag 2007, Universität Nürnberg-Erlangen/Germany
Artikles:
The composition and taxonomic significance of fatty acid patterns in three white rust species: Albugo amaranthi, A. candida and A. tragopogonis (Peronosporales, Albuginaceae).
Otmar, Spring; Haas, Klaus; Lamla, Iris; Thurnhofer, Saskia; Vetter, Walter. Mycological Progress 2005, 4 (3); 179-184.
Jahrestagung des Regionalverbandes Süd-West der Lebensmittelchemischen Gesellschaft in der GDCh,
8.-9. März 2005, Frankfurt/Deutschland
Saskia Thurnhofer, Walter Vetter: Bestimmung der Fettsäuremethylester aus Lebensmitteln mittels GC/MS im SIM-Modus
A Gas Chromatography/Electron Ionization-Mass Spectrometry-Selected Ion Monitoring Method for Determining the Fatty Acid Pattern in Food after Formation of Fatty Acid Methyl Esters.
Thurnhofer, Saskia; Vetter, Walter. Institute of Food Chemistry, University of Hohenheim, Stuttgart/Germany. Journal of Agricultural and Food Chemistry [in press]
EUROMAR / EENC 2005-Konferenz,
3.-8. Juli 2005, Veldhoven/Niederlande
Fredrick Lindström, Saskia Thurnhofer, Walter Vetter, Gerhard Gröbner: 2H, 14N, 31P solid-state NMR and calorimetric studies of changes in lipid membrane properties by branched-chain fatty acids. Abstract Book S. 406
34. Deutscher Lebensmittelchemikertag/EURO FOOD CHEM XIII,
19. -23. September 2005, Hamburg/Deutschland
Saskia Thurnhofer, Walter Vetter, Fredrick Lindström , Gerhard Gröbner: Compound-specific and enantioselective synthesis of branched-chain fatty acids. Proceedings Volume 2, S. 398-401.
34. Deutscher Lebensmittelchemikertag/EURO FOOD CHEM XIII,
19. -23. September 2005, Hamburg/Deutschland
Saskia Thurnhofer, Walter Vetter: Testing of new internal standards for the gas chromatographic determination of fatty acid methyl esters in food. Proceedings Volume 2, S. 457-460.
Saskia Thurnhofer, Walter Vetter (2005):
A gas chromatography/electron ionization-mass spectrometry-selected ion monitoring method for determining the fatty acid pattern in food after formation of fatty acid methyl esters. J. Agric. Food Chem. 53: 8896-8903
Saskia Thurnhofer, Walter Vetter (2006):
Application of Ethyl Esters and d3-Methyl Esters as Internal Standards for the Gas Chromatographic Quantification of Transesterified Fatty Acid Methyl Esters in Food.
J. Agric. Food Chem. 54, 3209-3214
Saskia Thurnhofer, Walter Vetter (2006):
Application of Ethyl Esters and d3-Methyl Esters as Internal Standards for the Gas Chromatographic Quantification of Transesterified Fatty Acid Methyl Esters in Food.
J. Agric. Food Chem. 54, 3209-3214
Fredrick Lindström, Saskia Thurnhofer, Walter Vetter, Gerhard Gröbner (2006)
Impact on lipid membrane organization by free branched-chain fatty acids.
Physical Chemistry Chemical Physics 8: 4792-4797
Saskia Thurnhofer, Walter Vetter (2007):
A compound-specific and enantioselective synthesis of food-relevant monoenoic and saturated anteiso-fatty acids.
Tetrahedron 63: 1140-1145
Saskia Thurnhofer, Georg Hottinger, Walter Vetter (2007):
Enantioselective determination of food-relevant anteiso fatty acids.
Anal. Chem. 79: 4696-4701
Walter Vetter, Saskia Thurnhofer (2007):
Analysis of fatty acids by mass spectrometry in the selected ion monitoring mode.
VCH – Lipid Technology 19: 184-186
Walter Vetter, Simon Gaul, Saskia Thurnhofer, Kathrin Mayer (2007):
Stable carbon isotope ratios of methyl-branched fatty acids are different than straight chain fatty acids in dairy products.
Anal. Bioanal. Chem. 389: 597-604
51st Annual Meeting of the Biopysical Society,
March 3 – 7, 2007, Baltimore/USA
Fredrick Lindström, Ramona Jenske, Saskia Thurnhofer, Walter Vetter, Gerhard Gröbner: Monitoring the effect of branched-chain fatty acids on phospholipid membranes by DSC and solid-state NMR, abstracts
Saskia Thurnhofer, Katja Lehnert, Walter Vetter (2008):
Exclusive quantification of methyl branched fatty acids and minor 18:1-isomers in foodstuff by GC/MS in the SIM mode using 10,11-dichloroundecanoic acid and fatty acid ethyl esters as internal standards.
Eur. Food Res. Technol. 226: 975-983
