Joanne Chan S.H.

Peter KC Ong Adjunct Assistant Professor

Food Science and Technology Programme
c/o Department of Chemistry
National University of Singapore

Director (Food Safety Division), Health Sciences Authority



Educational Qualifications

Master of Science (National University of Singapore),

Bachelor of Sciences with Honours (National University of Singapore)

Current key appointment

Director (Food Safety Laboratory)
Co-chair, National Food Defence Laboratory Network – Chemical Subgroup
Member, Singapore Accreditation Council (1 Apr 15 – 31 Mar 18)
Chair, Council Committee for Laboratory Accreditation (1 Jul 16 – 3 Jun 18)
Member, Panel of Advisors – Chemical Metrology Division, HSA, Proficiency Testing Programme in Chemical Testing (1 Apr 15 – 31 Mar 17)
Head, WHO Collaborating Centre of Food Contamination Monitoring (29 Sep 16 – 29 Sep 20)
Head, ASEAN Reference Laboratory on Mycotoxins Testing (Current)

Expertise & Research Areas

Food Contaminants particularly mycotoxins & phytotoxins, Food Contact Materials and Food Authentication or Food Fraud

Selected Publications

  1. Chee Wei Lim , Tomoya Yoshinari , Jeff Layne , and Sheot Harn Chan, “Multi-Mycotoxin screening reveals separate occurrence of aflatoxins and ochratoxin A in Asian rice”, Journal Agriculture and Food Chemistry, 27 February 2015, DOI: 10.1021/acs.jafc.5b00471.

  2. L. J. Bay,   S. H. Chan and   T. Walczyk, “ Isotope ratio analysis of carbon and nitrogen by elemental analyser continuous flow isotope ratio mass spectrometry (EA-CF-IRMS) without the use of a reference gas”, J. Anal. At. Spectrom., 2015, Advance Article, DOI: 10.1039/C4JA00284A.

  3. Ukena, T., Matsumoto, E., Nishimura, T., Harn, J.C, Lee, C.A., Rojanapantip, L., Mayteeyonpiriya, N., Suthilucksanavanish, K., Yamada, Y., “Speciation and Determination of Inorganic Arsenic in Rice using Liquid Chromatography-Inductively Coupled Plasma Mass Spectrometry: Collaborative Study”, Journal of AOAC International (2014),  Vol 97, No. 3, 2014, pp 1-10.

  4. Lim, C.W., Chan, S.H., “Single laboratory method validation comparing MS3 and FI/MS fingerprinting and quantitation strategies for the accurate determination of ochratoxins in beer”, World Mycotoxin Journal, 6(3), Aug 2013, pp 281-290.

  5. Li, A., Yat, Y.W., Yap, W.K., Lim, C.W., Chan, S.H., “Discriminating authentic Nostoc flagelliforme from its counterfeits by applying alternative ED-XRF and FTIR techniques”, Food Chemistry (2011), Volume 129 (2), pp528-532.

  6. Sun C, Chan SH, Lu D, Lee HM, Bloodworth BC, “Determination of isopropyl-9H-thioxanthen-9-one in packaged beverages by solid-phase extraction clean-up and liquid chromatography with tandem mass spectrometry detection”,J Chromatogr A. 2007 Mar 2;1143(1-2):162-7. Epub 2007 Jan 10.

  7. Sun C, Leong LP, Barlow PJ, Chan SH, Bloodworth BC, “Single laboratory validation of a method for the determination of Bisphenol A, Bisphenol A diglycidyl ether and its derivatives in canned foods by reversed-phase liquid chromatography”, J Chromatogr A. 2006 Sep 29;1129(1):145-8. Epub 2006 Sep 1.

  8. Bloodworth, B.C., Chan, S.H., Chua, T.H., Yio, O.B., “Liquid Chromatographic Determination of trans-10-hydroxy-2-decenoic acid content of Commercial Products Containing Royal Jelly”, JAOAC Int. 1995; 78(4), 1-5.