Determination of mean daily intakes of aflatoxin B1, aflatoxin M1, ochratoxin A, trichothecenes and fumonisins in 24-hour diets of children in the Netherlands

Autor: D.P.K.H. Pereboom-de Fauw, E. A. Sizoo, H.P. van Egmond, Ronald C. Schothorst, G. Bakker, A.A. Jekel

Publikováno v: World Mycotoxin Journal. 2:451-459

In 2006, a duplicate diet study of children's food was carried out in the Netherlands. Parents or guardians of 123 children collected duplicates of the 24-hour diets. Levels of aflatoxin M1, aflatoxin B1, ochratoxin A, trichothecenes and fumonisins w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7bff8f881389d953cfbf41387ac22d17
https://doi.org/10.3920/wmj2009.1167

Determination of molar absorptivity coefficients for major type-B trichothecenes and certification of calibrators for deoxynivalenol and nivalenol

Autor: Ronald C. Schothorst, Håkan Emteborg, Susan MacDonald, Hans Pettersson, Gerhard Buttinger, Rudolf Krska, Hans P. van Egmond, Ralf D. Josephs, Patricia Schubert-Ullrich, D. Chan

Publikováno v: Analytical and Bioanalytical Chemistry. 388:1215-1226

This paper presents results from the European Commission-funded project Doncalibrant, the objective of which was to produce calibrators with certified mass fractions of the Fusarium toxins deoxynivalenol (DON), 3-acetyldeoxynivalenol (3-Ac-DON), 15-a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f1330309535c6aef96d837e470fcebf
https://doi.org/10.1007/s00216-007-1369-x

Processing and purity assessment of standards for the analysis of type-B trichothecene mycotoxins

Autor: Alexandra Parich, Wolfgang Kandler, Franz Berthiller, Ralf D. Josephs, E. Welzig, J. Lepschy, Hans Pettersson, Ronald C. Schothorst, Rainer Schuhmacher, D. Chan, H.P. van Egmond, Rudolf Krska

Publikováno v: Analytical and Bioanalytical Chemistry. 382:1848-1858

The lack of reliable, certified calibrant solutions for the Fusarium mycotoxins deoxynivalenol (DON), 3-acetyl-DON (3-Ac-DON), 15-acetyl-DON (15-Ac-DON) and nivalenol (NIV) is a serious drawback in the already problematic area of trichothecene analys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed0040ae43512e8e11f3a659dda14d1e
https://doi.org/10.1007/s00216-005-3330-1

Type-B trichothecene calibrants: Comparison of HPLC and GC-results within an intercomparison study

Autor: D. Chan, Ralf D. Josephs, H.P. van Egmond, Ronald C. Schothorst, Hans Pettersson, E. Drs, Rudolf Krska, E. Welzig

Publikováno v: Mycotoxin research. 21(4)

Within the EC-financed project “Feasibility Study for the Production of Certified Calibrants for the Determination of Deoxynivalenol and other B-Trichothecenes”, an intercomparison study was performed with 13 European participants. Main goals of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::55e70b45d5e382865a5abef408f02699
https://pubmed.ncbi.nlm.nih.gov/23605392

Carry-over of pyrrolizidine alkaloids from feed to milk in dairy cows

Autor: Ronald C. Schothorst, G J Remmelink, Laurentius Hoogenboom, H.J. van den Top, H.P. van Egmond, M.J. Zeilmaker, E F A Brandon, Patrick P.J. Mulder, Mirjam D. Klijnstra, G.A.L. Meijer

Publikováno v: Food Additives & Contaminants. Pt. A, Chemistry, Analysis, Control, Exposure & Risk Assessment, 28(3), 359-372
Food Additives & Contaminants. Pt. A, Chemistry, Analysis, Control, Exposure & Risk Assessment 28 (2011) 3

Pyrrolizidine alkaloids are toxins present in many plants belonging to the families of Asteraceae, Boraginaceae and Fabaceae. Particularly notorious are pyrrolizidine alkaloids present in ragwort species (Senecio), which are held responsible for hepa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::076fbf072727d8199f44eaf73bb84d33
https://research.wur.nl/en/publications/carry-over-of-pyrrolizidine-alkaloids-from-feed-to-milk-in-dairy-