study of Food Chemisty at the University of Hohenheim/Stuttgart
bachelor thesis at the Institute of Food Chemistry at the University of Hohenheim/Stuttgart
master thesis at the Institute of Food Chemistry at the University of Hohenheim/Stuttgart
Publications:
Poster:
48. Deutscher Lebensmittelchemikertag,
September, 16 -18, 2019, Dresden/Germany
Q. Wu, S. Schlag, H. Bouwman, R. C. Uren, C. D. van der Lingen, W. Vetter: Concentrations of halogenated natural products and persistent organic pollutants in sardines (Sardinops sagax) from different sites of South Africa.
LChG Tweet-your-Poster-Event 2020,
September, 14 - 15, 2020 (online)
Sarah Schlag, Yining Huang, Katrin Sommer, Walter Vetter: Umfassende Bestimmung von Phytosterolen in Speiseölen mittels GC/MS-SIM.
Counter Current Conference 2022 Online
August 1 - 2, 2022, (online)
Felix Rüttler, Tim Hammerschick, Sarah Schlag, Walter Vetter: Isolation of lanosterol and dihydrolanosterol from the unsaponifiable matter of lanolin by urea complexation and countercurrent chromatography in heart-cut recycling mode.
50. Deutscher Lebensmittelchemikertag
September 19 - 21, 2022, Hamburg/Germany
S. Götz, S. Schlag, S. Schmöckel, W. Vetter: Detaillierte Steroluntersuchung in Samen verschiedener Quinoasorten.
50. Deutscher Lebensmittelchemikertag
September 19 - 21, 2022, Hamburg/Germany
S. Schlag, Y. Bräckle, M. Jelečević, W. Vetter: GC/MS-Untersuchung von 4,4-Dimethylsterolen und 4-Methylsterolen in Speiseölen nach deren Anreicherung mittels SPE.
Artikles:
Qiong Wu, Sarah Schlag, Ryan Uren, Carl D. van der Lingen, Hindrik Bouwman, Walter Vetter (2020):
Polyhalogenated compounds (halogenated natural products and POPs) in sardine (Sardinops sagax) from the South Atlantic and Indian Oceans.
J. Agric. Food Chem. 68: 6084-6091 (DOI: /10.1021/acs.jafc.0c01530)
Sarah Schlag, Yining Huang, Walter Vetter (2022):
GC/EI-MS method for the determination of phytosterols in vegetable oils.
Anal. Bioanal. Chem. 414: 1061-1071 (DOI: 10.1007/s00216-021-03730-9)
Sarah Schlag, Sören Götz, Felix Rüttler, Sandra M. Schmöckel, Walter Vetter (2022):
Quantitation of 20 Phytosterols in 34 Different Accessions of Quinoa (Chenopodium quinoa).
J. Agric. Food Chem. 70: 9856-9864 (DOI: 10.1021/acs.jafc.2c03374)
Felix Rüttler, Tim Hammerschick, Sarah Schlag, Walter Vetter (2022):
Isolation of lanosterol and dihydrolanosterol from the unsaponifiable matter of lanolin by urea complexation and countercurrent chromatography in heart cut recycling mode.
J. Chromatogr. B 1210: 123470 (DOI: 10.1016/j.jchromb.2022.123470)
Sarah Schlag, Yvonne Bräckle, Marina Jelečević, Walter Vetter (2023):
GC/MS analysis of 4,4-dimethylsterols and 4-methylsterols in edible oils after their enrichment by means of SPE.
J. Chromatogr. A 1705: 464166 (DOI: 10.1016/j.chroma.2023.464166)
Felix Rüttler, Rosalie Ormos, Jil Cannas, Tim Hammerschick, Sarah Schlag, Walter Vetter (2023):
Sample preparation of free sterols from vegetable oils by countercurrent chromatography in co-current mode.
Anal. Bioanal. Chem. 415: 4731-4740 (DOI: 10.1007/s00216-023-04766-9)
Sarah Schlag, Walter Vetter (2024):
Quantitative data of up to thirty sterols in vegetable oils and fats.
Eur. Food Res. Technol. 250: 469-482 (DOI: 10.1007/s00217-023-04397-5)
Yan Zheng, Sarah Schlag, Tanja Wernlein, Walter Vetter (2024):
Comprehensive gas chromatography with mass spectrometry analysis of sterols in red goji berries (Lycium spp.).
Food Chem. 453: 139640 (DOI: 10.1016/j.foodchem.2024.139640)
Sarah Schlag, Sabrina Schäfer, Katrin Sommer, Walter Vetter (2024):
A sterol database: GC/MS data and occurrence of 150 sterols in seventy-four oils.
Food Chem. 460: 140778 (DOI: 10.1016/j.foodchem.2024.140778)
Lectures:
Arbeitstagungen 2022 Gemeinsame Online-Vortragsreihe der Regionalverbände und der AG JLC:
March 29 - 30, 2022 (online)
Sören Götz, S. Schlag, S. M. Schmöckel, W. Vetter: Detaillierte Steroluntersuchung in Samen verschiedener Quinoasorten.
Arbeitstagung des Regionalverbandes Südwest der Lebensmittelchemischen Gesellschaft,
March 28 - 29, 2023, Karlsruhe/Germany
R. Ormos, F. Rüttler, J. Cannas, T. Hammerschick, S. Schlag, W.Vetter: Direkte Anreicherung von freien Sterolen aus Pflanzenölen mittels Gegenstromchromatographie im co current-Modus.
Arbeitstagung des Regionalverbandes Südwest der Lebensmittelchemischen Gesellschaft,
March 05 - 06, 2024, Kaiserslautern/Germany
F. Rüttler, T. Hammerschick, S. Schlag, W. Vetter: Isolierung von 4,4-Dimethylsterolen aus dem Unverseifbaren von Lanolin mittels Harnstofffällung und Gegenstromverteilungschromatographie im Heart-cut-RecyclingHeart-cut-Recycling-Modus.
