Publications in 2022
April 2022 | W. Jira, T. Behnke, J. Brockmeyer, K. Frost, E. Hiller, M. Möllers, A. Niedzwiecka, B. Pöpping, S. Uhlig, M. Weidner, S. Wittke, R. Becker | Food Anal. Methods | https://doi.org/10.1007/s12161-022-02289-0
Publications in 2021
Synthetic paraffin oil shows low liver and tissue retention compared to mineral oil
December 2021 | Juan-Carlos Carrillo, Hua Shen, Fayaz Momin, Olaf Kral, Holger Schnieder, Susanne Kühn, Food and Chemical Toxicology
Automated Solutions for the Analysis of MOSH/MOAH and Mycotoxins in Food
November 2021 | MIchael Koch, Vendor Webinar
Cannabinoide in neuartigen Lebensmittlen und Futtermitteln
October 2021 | Jörg Konetzki, Thomas Behnke, DLR
Cannabinoids in Food, Feed and NovelFood
August 2021 | Jörg Konetzki
Development of an improved analytical method
June 2021 | Susanne Kühn
Cleaving Ergot Alkaloids by Hydrazinolysis—A Promising Approach for a Sum Parameter Screening Method
May 2021 | Maximilian Kuner, Susanne Kühn, Hajo Haase, Klas Meyer and Matthias Koch | Beitrag | Toxins, mdpi.com
Publications in 2020
June 2020 | O. Kunder, Dr S. Kühn, Dr. E. Becker | Journal Article | Deutsche Lebensmittel-Rundschau
Publications in 2019
December 2019 | Dr M. M. Koch, Dr E. Becker, Dr M. Päch, Dr S. Kühn, Dr E. Kirchhoff | Journal Article | Journal of Separation Science
November 2019 | Dr M. M. Koch, Dr M. Päch, Dr S. Kühn, Dr E. Kirchhoff | Poster Presentation | 9th International Symposium on Recent Advances in Food Analysis (RAFA)
Determination of cannabinoids in food by LC-MS/MS
November 2019 | J. Konetzki | Poster Presentation | 9th International Symposium on Recent Advances in Food Analysis (RAFA)
Measuring the sum - A novel screening method for ergot alkaloids in food
October 2019 | M. Kuner, S. Kühn, H. Haase, M. Koch | Poster Presentation | World Mycotoxin Forum
Automated Anaerobic Iodometric Determination of Lipid Hydroperoxides
September 2019 | M. Päch, Dr. E. Becker, A. Braun, Dr. E. Kirchhoff, K. Efferenn, C. Rettenmaier | Poster Presentation | 48th German Food Chemists’ Day
LC-GC coupling
September 2019 | M. Nestola, A. Stauff, E. Becker | Book Contribution | B. Behr Publisher
Highly-sensitive determination of glyphosate and glufosinate in complex food matrices
June 2019 | J. Konetzki | Presentation | Akademie Fresenius Conference
Publications in 2018
Position papers – Information and Tools
September 2018 | K. Schöberl, R. Habernegg, P. Fecher, A. Stuckmann | Poster Presentation | 47th German Food Chemists’ Day
Automated determination of Glyphosate, AMPA and glufosinate
May 2018 | J. Konetzki, M. Nestola, S. Rothmeier, E. Becker, A. Hentschel, Dr E. Kirchhoff | Poster Presentation | 12th EPRW
Automated dilution station for production of standard mixes for pesticide analysis
May 2018 | A. Hentschel, J. Lötner, S. Rothmeier, Dr E. Kirchhoff | Poster Presentation | 12th EPRW
Phthalimide – metabolite or artifact?
May 2018 | A. Hentschel, J. Lötner, S. Rothmeier, Dr E. Kirchhoff | Poster Presentation | 12th EPRW
Minimisation of MOSH and MOAH using the example of tea – findings and actions from three countries and eleven tea gardens
April 2018 | E. Becker, O. Kunder | Presentation | B. Behr Publisher
3-MCPD, 3-MCPD and glycidyl esters in food – fully automated methods of analysis
March 2018 | S. Kühn | Presentation | FHI, federatie van technologiebranches
Publications in 2017
3-MCPD, 3-MCPD and glycidyl fatty acid esters – automated determination of fatty acid esters
December 2017 |K. Wenzel, S. Kühn, E. Becker, K. Vossmann, B. Matthäus | Journal Article | 46th German Food Chemists’ Day
Determination of polycyclic aromatic hydrocarbons with LC-LC-GC-MS/MS
September 2017 |K. Wenzel, T. Uber, M. Nestola, E Becker, E Kirchhoff | Poster Presentation | 46th German Food Chemists’ Day
September 2017 |K. Wenzel, T. Uber, M. Nestola, E Becker, E Kirchhoff | Poster Presentation | 46th German Food Chemists’ Day
Mineral oil elements in foodstuffs – identifying contamination risks, acting in accordance with legal requirements
August 2017 | E. Becker, N. Kolb, B. Riemer, K. Schönfelder, M. Warbug | Book Contribution | B. Behr Publisher
Simultaneous determination of vitamins B1, B2 and B6 in baby food – using LC-MS/MS
March 2017 | A. Thellmann | Presentation | 7th Berliner LC-MS/MS Symposium
MOSH, MOAH and POSH – Mineral oil elements in food and cosmetics
February 2017 | Dr H.-U. Melchert | Journal Article | LABO online
Publications in 2016
Simultaneous determination of vitamins B1, B2 and B6 in baby food – using LC-MS/MS
December 2016 | A. Thellmann, O. Meier, H. Möller-Santner | Journal Article
Vitamins B1, B2 and B6 in baby food – Simultaneous determination using LC-MS/MS
September 2016 | A. Thellmann, O. Meier, E. Becker, Dr E. Kirchhoff, J. Dahlmann, H. Möller-Santner | Poster Presentation, 45th German Food Chemists’ Day
Photo analysis and simulation of the digestion of folates
August 2016 | C. Ringling | Weihenstephan Science Centre, Faculty of Nutrition, Land Use and the Environment | Doctoral Thesis
Developing a multimethod for determining vitamins A, D and E
July 2016 | T. Bergold | Technical University Berlin | Final Paper
Optimising and validating a chromatographical method for determining maltose in sugar-free soft caramel toffees
July 2016 | Z. Bilostotska | Technical University Berlin | Master’s Thesis
Analytics of anorganic arsenic species in rice and rice products
May 2016 | T. Bückmann | Technical University Berlin | Final Paper
April 2016 | S. Rothmeier, A. Hentschel, G. Krümpel, Dr E. Kirchhoff | 11th European Pesticide Residue Workshop
Mineral oil elements in foodstuffs
April 2016 | E. Becker | Presentation, B. Behr Publisher
Publications in 2015
November 2015 | E. Schulz | Presentation, Instrument Solutions / Axel Semrau GmbH
Determining pyrrolizidine alkaloids in foodstuffs using online SPE-LC/MS/MS coupling
October 2015 | J. Konetzki | Presentation, Spark users’ meeting “Online SPE expertise”, Axel Semrau
Determining saturated and unsaturated fatty acids in foodstuffs using NIR spectroscopy
September 2015 | L. Tais, A. Braun, A. Niemöller, E. Becker, Dr E. Kirchhoff | Poster Presentation, 44th German Food Chemists’ Day
Determining polycyclic aromatic hydrocarbons in cocoa and cocoa products using LC-LC-GC-MS
September 2015 | E. Schulz, V. Koospal, M. Nestola, E. Becker, Dr E. Kirchhoff | Poster Presentation, 44th German Food Chemists’ Day
Determination of pyrrolizidine alkaloids using online SPE-LC-MS/MS
September 2015 | J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 44th German Food Chemists’ Day
Unconventional contaminants in grain and grain-based products – modern analytics, ‘new’ compounds
April 2015 | E. Becker | Poster Presentation, 20th “Healthy grain for a healthy diet” international conference
LMIV – Labelling of non-prepackaged goods from the viewpoint of a private commercial laboratory
June 2015 | J. Schwab | Presentation, 75th working conference – Working group of experts working in food hygiene and food deriving from animals (ALTS)
Universal route to polycyclic aromatic hydrocarbon analysis in foodstuffs: Two-dimensional heart-cut liquid chromatography – gas chromatography – mass spectrometry (LC-LC-GS-MS)
June 2015 | M. Nestola, R. Friedrich, P. Bluhme, T.C. Schmidt | Journal Article, Analytical Chemistry
Publications 2010-2014
Publications in 2014
Determining mineral oil hydrocarbons in foodstuffs – Stage by stage control in chocolate manufacture
September 2014 | E. Schulz, E. Becker, Dr E. Kirchhoff | Poster Presentation, 43rd German Food Chemists’ Day
Pitfalls in the analysis of pyrrolizidine alkaloids
September 2014 | J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 43rd German Food Chemists’ Day
September 2014 | J. Schwab, Dr. E. Kirchhoff | Presentation, pro agro, SIBB region, ZAB
Determining mineral oil hydrocarbons in foodstuffs – stage by stage control in chocolate manufacture
April 2014 | E. Schulz, E. Becker, Dr E. Kirchhoff | Poster Presentation, Austrian Food Chemistry Days 2014, Vienna
Chapter 2: HPLC-GC coupling in practice: Basis, application examples and outlook
April 2014 | E. Becker, M. Nestola | Book contribution, The HPLC Expert, ed: Stavros Kromidas
March 2014 | E. Becker | magazine article, Analytik Special, DLR Deutsche Lebensmittelrundschau (German Foodstuffs Review)
Determining mineral oil components in food and food packaging – Results of an inter-laboratory comparison
February 2014 | E. Becker | Presentation, BDSI (Federal Association of the German Confectionery Industry) status seminar
February 2014 | Dr E. Kirchhoff, E. Becker, Prof. Dr W.-R. Stenzel | Status seminar and presentation, Institut Kirchhoff Berlin GmbH
An eventful life as an analyst – A portrait of Dr Erhard Kirchhoff
February 2014 | Dr E. Kirchhoff, J. Häseler | Journal Article, DLR Deutsche Lebensmittelrundschau
Publications in 2013
Benzene in marzipan
November 2013 | E. Becker | Presentation, BDSI (Federal Association of the German Confectionery Industry) status seminar
Pitfalls in the analytic of mineral oils – are the currently available methods ready for standardisation, Residues of food contact materials in food
November 2013 | E Becker | presentation, Akademie Fresenius conference
Advances in the analysis of food allergens
September 2013 | H. Köhler, J. Konetzki, C. von Bargen, J. Brockmeyer, E. Becker, Dr E. Kirchhoff | Poster Presentation, 42nd German Food Chemists’ Day
Determining mineral oil contaminations in tea samples
September 2013 | M. Nestola, E. Schulz, E. Becker, Dr E. Kirchhoff, A. Mantegazza | Poster Presentation, 42nd German Food Chemists’ Day
Mineral oil contaminations of vegetable oils and fats
June 2013 | E. Schulz | Presentation, Axel Semrau Seminar
Mineral oil hydrocarbons in foodstuffs – stage by stage control in chocolate manufacture
May 2013 | E Schulz | presentation, BLC AGM, Berlin-Brandenburg regional association
Mineral oil hydrocarbons in foodstuffs – stage by stage control in chocolate manufacture
February 2013 | E Becker | presentation, X-tended X-pert qualification workshop on foodstuff control analysis
Chapter 5, page 79 et seqq.: Accreditation of test laboratories
February 2013 | Dr E. Kirchhoff | Book contribution on “Cooking oils and fats | The law, sensory properties, analysis, Matthäus/Fiebig (eds), Erling Publishing”
Mineral oil analysis: Stage by stage control in confectionery manufacture
January 2013 | E. Becker | presentation, BDSI (Federal Association of the German Confectionery Industry) status seminar
Publications in 2012
Food allergens and their analysis
September 2012 | J. Hilmes, A. Jahn, J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 41st German Food Chemists’ Day
Analysis of steviol glycosides in complex food matrices
September 2012 | K. Jaworska, J. Konetzki, E. Becker, Dr E. Kirchhoff, L. W. Kroh | Poster Presentation, 41st German Food Chemists’ Day
September 2012 | A. Braun, E. Becker, Dr E. Kirchhoff | Poster Presentation, 41st German Food Chemists’ Day
Determining the sterol distribution in fats and oils – LC-GC-FID with automatic sample processing
September 2012 | M. Nestola, P. Tablack, E. Becker, Dr E. Kirchhoff | Poster Presentation, 41st German Food Chemists’ Day
Lactose in low-lactose and lactose-free foodstuffs – determination using LC-MS/MS
September 2012 | I. Diener, J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 41st German Food Chemists’ Day
Determining mineral oil residues in foodstuffs using online coupled LC-GC in routine analysis
June 2012 | E. Becker | Journal Article, DLR Deutsche Lebensmittelrundschau (German Foodstuffs Review)
Determination of mineral oil hydrocarbons in foodstuffs – contamination by vegetable oils
June 2012 | E. Becker | Presentation, DGF (German Society for Fats Science)
Determining MOSH and MOAH using LC-GC coupling in routine work
April 2012 | E. Becker | Presentation, ANALYTICA
Complex mixtures: Automated MOSH/MOAH determination using LC-GC coupling
April 2012 | E. Becker | Journal Article, Q&More
Publications in 2011
Initisol in baby food – LC-MS/MS analysis of the entire inositol content
October 2011 | J. Konetzki, E. Becker, Dr E. Kirchhoff | Journal Article, DLR Deutsche Lebensmittelrundschau
Determining MOSH and MOAH using LC-GC coupling in routine work
October 2011 | E. Schulz | Presentation, Axel Semrau seminar
Mineral oil residues in foodstuffs – Determination using online coupled LC-GC-FID
September 2011 | S. Förster, R. Friedrich, E. Becker, Dr E. Kirchhoff | Poster Presentation, 40th German Food Chemists’ Day
LC-MS/MS analysis of the entire inositol content in milk powder-based baby food
September 2011 | J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 40th German Food Chemists’ Day
Bacteria identification using MALDI-TOF-MS in food analytics
September 2011 | I. Huber, Dr J. Hilmes, K. Grünwald, Dr E. Kirchhoff, U. Busch | Poster Presentation, 40th German Food Chemists’ Day
Publications in 2010
Determining free and whole choline in baby food using LC-MS/MS
September 2010 | G. Krümpel, J. Konetzki, E. Becker, Dr E. Kirchhoff | Poster Presentation, 39th German Food Chemists’ Day
2010 | Dr E. Kirchhoff | Book contribution, Handbuch für Lebensmittelchemiker [Handbook for Food Chemists], W. Frede (ed), Springer Publishing
Developing a qPCR process to detect pathogenic legionella (Legionella pneumophilia) with FIT-PNA probes – developing a suitable nucleic acid-based detection system for detecting dead, living and VBNC-stage legionella
April 2010 | Dr J. Hilmes | Dissertation, Berlin Humboldt University
Publications 2000-2009
Publications in 2009
LC-MS/MS analysis of free and bound L-carnitine in baby food
September 2009 | J. Konetzki | Journal Article, DLR Journal (German Foodstuff Review Carnitine (Special analysis issue)
Determining legionella in drinking water using real-time PCR
September 2009 | B. Dollase, E. Becker, Dr E. Kirchhoff | Poster Presentation, 38th German Food Chemists’ Day
Determining relative apricot amount in marzipan using real-time PCR
September 2009 | Dr T. Gerhard, E. Becker, Dr E. Kirchhoff | Poster Presentation, 38th German Food Chemists’ Day
Validation of methods for determining vitamin C in milk powder-based infant food
September 2009 | C. Boernecke, E. Becker, Dr E. Kirchhoff | Poster Presentation, 38th German Food Chemists’ Day
Creating, optimising and validating a method for determining the peroxide value using the Metrohm Titrino 716
September 2009 | T. Zwerg | Bachelor Thesis, University of Bremerhaven
LC-MS/MS analysis of free and bound carnitine in baby food
April 2009 | J. Konetzki | Presentation, Conference of the north and north-east associations of the Food Chemistry Society (LChG)
Chapter 9: Validating examination procedures
January 2009 | E. Becker, Dr E. Kirchhoff | Book contribution, Handbook for Food Chemists
Publications in 2008
LC-MS/MS analysis of free and bound L-carnitine in baby food
September 2008 | J. Konetzki, M. Boernecke, E. Becker, Dr E. Kirchhoff | Poster Presentation, 37th German Food Chemists’ Day
Publications in 2007
Summary of fibre determination in accordance with Section 64 of the German Foodstuffs and Commodities Act – Definition, classification and effect of dietary fibre, determination and analysis
2007 | A. Engelmann | Final Paper, University of Anhalt (Technical College)
Optimising and validating the determination of water-soluble synthetic colourants in foodstuffs using HPLC and UV/VIS detection
November 2007 | S. Horst | Master’s thesis, Technical University of Applied Sciences Berlin
Lupins – Evidence in foodstuffs and animal feed, content in foodstuffs and animal feed, behaviour in the processing chain, differenitating types of lupin seeds
October 2007 | Dr A. Klink | Research and development project | “STROBL Naturmühle, Linz-Ebelsberg | b.i.s. analytics, Linz-Ebelsberg, Austria”
Determining theobromine and caffeine in pastries, cocoa, cocoa products and drinks containing caffeine
March 2007 | S. Horst | Practical work experience, Technical University of Applied Sciences Berlin
Development and validation of an HPLC method for determining coumarin
March 2007 | E. Becker | Presentation, Conference of the north association of the Food Chemists’ Society (LChG)
Publications in 2006
Establishing the sulphur content of apple leaves using various application strategies from Kumulus® WG: Can the use of wettable sulphur in organic apple cultivation be reduced?
2006 | M. Scholz | Master’s thesis, International University Institute Zittau, Professorship of Environmental Biotechnology
Development of an enzyme immunoassay for detecting the herbicide mecoprop in drinking and ground water, on the basis of antibodies in the eggs of laying hens
December 2006 | W. Weber | Journal Article, Acta hydrochimica et hydrobiologica
Current options for differentiating between marzipan and persipan
November 2006 | Dr E. Kirchhoff | Presentation, BDSI (Federal Association of the German Confectionery Industry) e.V
Publications in 2005
Accreditation of official and non-official test laboratories in the foodstuff and animal feed industries
October 2005 | Dr E. Kirchhoff | Book Contribution, Springer Publishing
Determining pesticide residues in fruit and vegetables
April 2005 | J. Konetzki, A. Hentschel, E. Becker, Dr E. Kirchhoff | Poster Presentation
Assessment of possibility to determine folates in food and sweets with different methods
2005 | B. Braha, A. Hentschel, E. Becker, Dr E. Kirchhoff | Poster Presentation
Publications 2000-2004
Validating the determination of vitamin B1 (thiamine) with HPLC
September 2004 | A. Hentschel, E. Becker, Dr E. Kirchhoff | Poster Presentation, 33rd German Food Chemists’ Day
Molecular biological typification of salmonella isolates – Contamination of chocolates manufactured by August Storck KG with salmonella – Presumption of a joint source of contamination on the basis of retained samples of finished products and from environmental samples
September 2003 | T. Gerhard | Final Report, August Storck KG
Development and validation of a method for simultaneously determining residues of active ingredients chlorpropham, imazalil and thiabendazole on potatoes, resulting from post-harvest treatment
July 2001 | C. Zepperitz | Master’s thesis, Technical University of Dresden, Institute for Food Chemistry
Publications 1990-1999
Various presentations on the topics of quality management and accreditation
1996-1999 | Dr E. Kirchhoff | Presentation, AKS / DAP
Evidence and determination of apricot kernels in marzipan using isoelectric focusing and a molecular biological process
April 1998 | Dr E. Kirchhoff, W. Weber, T. Kleinert et al. | Journal Article, Deutsche Lebensmittel-Rundschau (German Foodstuffs Review)
Determining ochratoxin A in grains, malt and beer after enriching and separation with immunoaffinity columns followed by high-performance liquid chromatography with fluorescence detection
1997 | A. Thellmann, W. Weber | Journal Article, DLR journal (German Foodstuff Review)
Quantification of three phenoxy carbonic acids from water and soil eluates using gas chromatography and mass-selective detector after solid-phase extraction and derivatisation with pentafluorobenzyl bromide
July 1997 | C. Schörnick | Master’s Thesis | Technical University of Applied Sciences Berlin, Faculty of Chemistry and Biotechnology
Determining vitamin B12 in vitaminised fruit gums using a competitive binding protein assay
January 1997 | G. Sterczyk | Master’s thesis, Technical University of Applied Sciences Berlin, Faculty of Food Chemistry
Modern biochemical testing procedures as an instrument of quality assurance
April 1997 | Dr E. Kirchhoff | Presentation, BDSI (Federal Association of the German Confectionery Industry) e.V. in Bonn
Determination of phenol and substituted phenols in water after solid-phase extraction using gas chromatography and mass-selective detector
June 1996 | A. Pahl | Master’s thesis, Technical University of Applied Sciences Berlin, Faculty of Chemistry and Biotechnology
Hygienic aspects when analysing samples of cooked ham available on sale
June 1996 | K. Reichardt | Master’s Thesis | Technical University of Applied Sciences Berlin, Food Technology
Ochratoxin A in coffee and other foodstuffs – incidence, exposure situation in Germany, limit values, sampling, analysis
1995 | Dr E. Kirchhoff, Dr W. Weber
Determining ochratoxin A in beer and grains using high pressure liquid chromatography after enriching with immunoaffinity columns
July 1995 | A. Thellmann | Master’s Thesis, Technical University of Applied Sciences Berlin, Faculty of Technical Chemistry
Food inspection – Sovereign task or service – From the viewpoint of independent experts – Today’s role and position of the independent expert as a contribution to the discussion on the food monitoring situation
March 1995 | Dr E. Kirchhoff | Presentation, 8th German Food Legislation Day, Wiesbaden
Creation of a test method for determining phenols in water and soil samples, using solid-phase extraction
February 1995 | A. Pahl | Practical semester report, Technical University of Applied Sciences Berlin, Faculty of Chemistry
Quality assurance measures in meat-processing operations
January 1995 | H. Saldsieder | Master’s Thesis, Technical University of Applied Sciences Berlin, Faculty of Food Technology
Determining aflatoxin B1 in foodstuffs
February 1994 | A. Thellmann | Practical semester report, Technical University of Applied Sciences Berlin, Faculty of Chemistry
Isolation of vitamins from the B-complex and determining them using the HPLC method
August 1993 | I. Dietrich | Master’s thesis, Technical University of Applied Sciences Berlin, Faculty of Food Technology
Determining organic materials in various water types – TOC, TIC, DOC, CSB and BSB5 regulations
July 1993 | A. Hentschel | Project work
Publications 1978-1989
Model reactions to the Maillard reaction – conversion of phenylalinine with reducing sugars and selected sugar end products in laboratory autoclaves
1988 | Dr J. Kunert-Kirchhoff | Doctoral thesis, TU Berlin
Comparative testing on conventionally and quickly roasted coffees
February 1984 | Klaus Rubach, Dr Erhard Kirchhoff | Journal Article, KTM (Coffee & Tea Market)
Determining saccharine and cyclamate sweeteners by capillary isotachophoresis
1983 | K. Rubach, P. Offizorz | Journal Article, Deutsche Lebensmittel-Rundschau
Quantitative determination of various phenolic compounds in coffee
April 1983 | J. Kunert | Intern report, Institute for Food Chemistry TU Berlin
Isolation and characterisation of lopoxygenases in peanuts (Arachis Hypogaea)
1980 | E. Kirchhoff | Doctoral thesis, Institute for Food Chemistry TU Berlin
Isotachophoretic determination of preservatives
1980 | K. Rubach, Ch. Breyer, E. Kirchhoff | Journal Article, Zeitschrift für Lebensmittel-Untersuchung und -Forschung (Journal of Food Testing and Research)
Differentiating between marzipan and persipan
September 1980 | E. Kirchhoff, K. Rubach, Ch. Breyer | Journal Article, “Institute for Food Chemistry TU Berlin | LKB Instrument GmbH”
Thin layer electrofocusing in polyacrylamide for determining animal type by protein differentiation
October 1978 | K. Rubach, E. Kirchhoff, Chr. Breyer | Journal Article, “Institute for Food Chemistry TU Berlin | LKB Instrument GmbH”
Evidence of soya oil in sunflower oil
November 1974 | E. Kirchhoff | Doctoral thesis, Institute for Food Chemistry TU Berlin