Professor of Practice

Dr Chung Wai-cheung, Stephen

Professor of Practice (Food Safety and Technology)

stephen-wc.chung@connect.polyu.hk

ORCID ID

SCOPUS ID

Research Overview

Stephen Chung’s work was focused on the R&D activities and monitoring of organic environmental contaminants (dioxins, PCBs, PAHs), natural toxins (mycotoxins, mushroom toxins), processing contaminants, pesticide residues, etc., in food samples. Besides, he also actively involved in exposure estimation to food contaminants which is an important part of risk assessments.

Education and Academic Qualifications

Bachelor of Science, University of Hong Kong
Doctor of Philosophy (Chemistry), University of Hong Kong

Academic and Professional Experience

2017-present FAO Roster of Experts for the Joint FAO/WHO Expert Committee on Food Additives - Food additives, contaminants and natural toxins
2018-present Editor, Food Additives and Contaminants
2019-present Editorial Board Member, Journal of Food Composition and Analysis

Research Interests

Research Output

Chung, S.W.C. 2021. A critical review of analytical methods for ergot alkaloids in cereals and feed and in particular suitability of method performance for regulatory monitoring and epimer-specific quantification Food Additives and Contaminants Part A 38(6), 997-1012.
Chung, S.W.C. 2018. How effective are common household preparations on removing pesticide residues from fruit and vegetables? A review Journal of the Science of Food and Agriculture 98(8), 2857-2870.
Chung, S.W.C., Lam, A.C.H. 2018. Development of an analytical method for analyzing pyrrolizidine alkaloids in different groups of foods by UPLC-MS/MS Journal of Agricultural and Food Chemistry 66(11), 3009-3018.
Chung, S.W.C., Wu, A.H.T. 2017. Determination of butyltins, phenyltins and octyltins in foods with preservation of their moieties: A critical review on analytical methods Journal of Chromatography A 1505, 18-34.
Chung, S.W.C., Lam, A.C.H. 2015. Development of a 15-classes multiresidue method for analyzing 78 hydrophilic and hydrophobic veterinary drugs in milk, egg and meat by liquid chromatography-tandem mass spectrometry Analytical methods 7(16), 6764-6776.
Chung, S.W.C., Chan, B.T.P. 2012. Simultaneous determination of 2- and 3-Monochloropropan-1,3-diol Esters in Foods by Enzymatic Hydrolysis and GC-MS detection Chromatographia 75(17-18), 1049-1056.
Chung, S.W.C., Lam, A.C.H. 2012. Development and validation of a method for the determination residues of 15 pyrethroids and 2 metabolites of dithiocarbamates in foods by ultra performance liquid chromatography-tandem mass spectrometry Analytical and Bioanalytical Chemistry 403(3), 885-896.
Chung, S.W.C., Chen, B.L.S. 2011. Determination of organochlorine pesticide residues in fatty foods: A critical review on the analytical methods and their testing capabilities Journal of Chromatography A 1218(33), 5555-5567.
Chung, S.W.C., Chan, B.T.P. 2010. Validation and use of a fast sample preparation method and liquid chromatography-tandem mass spectrometry in analysis of ultra-trace levels of 98 organophosphorus pesticide and carbamate residues in a total diet study involving diversified food types Journal of Chromatography A 1217(29), 4815-4824.
Chung, S.W.C., Tso, S.C., Sze, S.T. 2007. Separation of polar mushroom toxins by mixed-mode hydrophilic and ionic interaction liquid chromatography-electrospray ionization-mass spectrometry Journal of Chromatography Science 45(2), 104-111.