Considerations in the preparation of laboratory samples for the analysis of ochratoxin A in wheat

World Mycotoxin Journal

Volumn 5, Issue 2, 2012, Pages 107-116

  Tittlemier, S A ^a   Roscoe, M ^a   Kobialka, C ^a   Blagden, R ^a  

^a GRAIN RESEARCH LABORATORY   (Canada)

Author keywords

extraction efficiency; heterogeneity; mycotoxin sampling; stability

Indexed keywords

OCHRATOXIN;

ACCURACY; ARTICLE; CONCENTRATION (PARAMETERS); ENVIRONMENTAL TEMPERATURE; FLUORESCENCE; MOISTURE; NONHUMAN; PARTICLE SIZE; TOXIN ANALYSIS; ULTRA PERFORMANCE LIQUID CHROMATOGRAPHY; WHEAT;

TRITICUM AESTIVUM;

EID: 84861484655     PISSN: 18750710     EISSN: 18750796     Source Type: Journal    
DOI: 10.3920/WMJ2012.1393     Document Type: Article

References (31)

1. Codex Alimentarius Commission (CAC), 2009. Codex general standard for contaminants and toxins in food and feed. Codex Standard 193-1995.
2. Biselli, S., Persin, C. and Syben, M., 2008. Investigation of the distribution of deoxynivalenol and ochratoxin A contamination within a 26 t truckload of wheat kernels. Mycotoxin Research 24: 98-104.
3. Duarte, S.C., Pena, A. and Lino, C.M., 2010. A review on ochratoxin A occurrence and effects of processing of cereal and cereal derived food products. Food Microbiology 27: 187-198.
4. European Commission (EC), 2006a. Commission Regulation (EC) No 401/2006 of 23 February 2006 laying down the methods of sampling and analysis for the official control of the levels of mycotoxins in foodstuffs. Official Journal of the European Union L70: 12-34.
5. European Commission (EC), 2006b. Commission Regulation (EC) No 1881/2006 of 19 December 2006 replacing Regulation (EC) 466/2001 setting maximum levels for certain contaminants in foodstuffs. Official Journal of the European Union L 364: 5-24.
6. Elmholt, S. and Rasmussen, P., 2005. Penicillium verrucosum occurrence and ochratoxin A contents in organically cultivated grain with special reference to ancient wheat types and drying practice. Mycopathologia 159: 421-432.
7. Fearn, T. and Thompson, M., 2001. A new test for 'sufficient homogeneity'. Analyst 126: 1414-1417.
8. Frisvad, J.C. and Samson, R.A., 1991. Filamentous fungi in foods and feeds: ecology, spoilage and mycotoxin production. In: Arora, D.K., Mukerji, K.G. and Marth, E.H. (eds.) Handbook of applied mycology. Vol. 3. Foods and feeds. Marcel Dekker, New York, NY, USA, pp. 31-68.
9. Frisvad, J.C., Thrane, U. and Samson, R.A., 2007. Mycotoxin producers. In: Dijksterhuis, J. and Samson, R.A. (eds.) Food mycology: a multifaceted approach to fungi and food. CRC Press, Boca Raton, FL, USA, pp. 135-159.
10. Garcia-Fonseca, S., Ballesteros-Gomez, A., Rubio, S. and Perez- Bendito, D., 2010. Supramolecular solvent-based microextraction of ochratoxin A in raw wheat prior to liquid chromatography-fluorescence determination. Journal of Chromatography A 1217: 2376-2382.
11. Guevara-Riba, A., Sahuquillo, A., López-Sánchez, J. and Rubio, R., 2006. Comparison of three strategies to evaluate uncertainty from in-house validation data. A case study: mercury determination in sediments. Analytical and Bioanalytical Chemistry 385: 1298-1303.
12. Health Canada, 2011. Information document on Health Canada's proposed maximum limits (standards) for the presence of the mycotoxin ochratoxin A in foods. Bureau of Chemical Safety, Health Canada. Available at: http://www.hc-sc.gc.ca/fn-an/securit/chem-chim/toxin-natur/summary-resume-eng. php.
13. Horwitz, W. and Albert, R., 2006. The Horwitz Ratio (HorRat): a useful index of method performance with respect to precision. Journal of AOAC International 89: 1095-1109.
14. International Agency for Research on Cancer (IARC), 1993. Some naturally occurring substances: food items and constituents, heterocyclic aromatic amines and mycotoxins - ochratoxin A. IARC Monographs on the evaluation of carcinogenic risks to humans. Vol. 56. World Health Orgnization, Geneva, Switzerland, pp. 498-521.
15. Kuiper-Goodman, T., Hilts, C., Billiard, S.M., Kiparissis, Y., Richard, I.D.K. and Hayward, S., 2010. Health risk assessment of ochratoxin A for all age-sex strata in a market economy. Food Additives and Contaminants Part A 27: 212-240.
16. Langseth, W., Ellingsen, Y., Nymoen, U. and Okland, E., 1989. High performance liquid chromatographic determination of zearalenone and ochratoxin A in cereals and feed. Journal of Chromatography 478: 269-274.
17. Lindblad, M., Johnsson, P., Jonsson, N., Lindqvist, R. and Olsen, M., 2004. Predicting noncompliant levels of ochratoxin A in cereal grain from Penicillium verrucosum counts. Journal of Applied Microbiology 97: 609-616.
18. Magnusson, B., Naykki, T., Hovind, H. and Krysell, M., 2003. Handbook for calculation of measurement uncertainty in environmental laboratories. Nordtest report TR 537. Nordtest, Espoo, Finland.
19. Maroto, A., Boque, R., Riu, J., Ruisanchez, I. and Odena, M., 2005. Uncertainty in alfatoxin B1 analysis using information from proficiency tests. Analytical and Bioanalytical Chemistry 382: 1562-1566.
20. Nowicki, T. and Roscoe, M., 2010. An alternative to slurry mixing to minimise sample preparation variance for determination of ochratoxin A in wheat. World Mycotoxin Journal 3: 147-156.
21. Osborne, B.G., Ibe, F., Brown, G.L., Petagine, F., Scudamore, K.A., Banks, J.N., Hetmanski, M.T. and Leonard, C.T., 1996. The effects of milling and processing on wheat contaminated with ochratoxin A. Food Additives and Contaminants 13: 141-153.
22. Schatzki, T.F. and Toyofuku, N., 2003. Sample preparation and presampling of pistachios. Journal of Agricultural and Food Chemistry 51: 6068-6072.
23. Scudamore, K.A., Banks, J.N. and MacDonald, S.J., 2003. Fate of ochratoxin A in the processing of whole wheat grains during milling and bread production. Food Additives and Contaminants 20: 1153-1163.
24. Spanjer, M.C., Scholten, J.M., Kastrup, S., Jorissen, U., Schatzki, T.F. and Toyofuku, N., 2006. Sample comminution for mycotoxin analysis: dry milling or slurry mixing? Food Additives and Contaminants 23: 73-83.
25. Tittlemier, S.A., Varga, E., Scott, P.M. and Krska, R., 2011. Sampling of cereals and cereal-based foods for the determination of ochratoxin A: an overview. Food Additives and Contaminants Part A 28: 775-785.
26. Valenta, H., 1998. Chromatographic methods for the determination of ochratoxin A in animal and human tissues and fluids. Journal of Chromatography A 815: 75-92.
27. Van Egmond, H., Schothorst, R. and Jonker, M., 2007. Regulations relating to mycotoxins in food. Analytical and Bioanalytical Chemistry 389: 147-157.
28. Vargas, E.A., Whitaker, T.B., Santos, E.A., Slate, A.B., Lima, F.B. and Franca, R.C., 2004. Testing green coffee for ochratoxin A, Part I: Estimation of variance components. Journal of AOAC International 87: 884-891.
29. Vargas, E.A., Whitaker, T.B., Santos, E.A., Slate, A.B., Lima, F.B. and Franca, R.C., 2006. Testing green coffee for ochratoxin A. Part III. Performance of ochratoxin A sampling plan. Journal of AOAC International 89: 1021-1026.
30. Whitaker, T.B. and Dickens, J.W., 1974. Variability of aflatoxin test results. Journal of the American Oil Chemists' Society 51: 214-218.
31. Wood, G.M., Patel, S., Entwisle, A.C. and Boenke, A., 1996. Ochratoxin A in wheat: a second intercomparison of procedures. Food Additives and Contaminants 13: 519-539.