Sampling of cereals and cereal-based foods for the determination of ochratoxin A: an overview

Figures & data

Figure 1. Flow diagram of the various steps in the sampling and analysis process for cereal grains.

Table 1. Ochratoxin A (OTA) concentrations detected in single kernels of Canada western amber durum inoculated with Penicillium verrucosum and incubated in plastic bags.

OTA (mg kg^−1)	Number of kernels
<LOQ^a	421
0.02–0.1	5
>0.1–1	3
>1–2	7
>2	4
Note: ^aLimit of quantitation = 0.02 mg kg^−1.
Source: Data are from Nowicki and Roscoe (personal communication).

Figure 2. Canadian Grain Commission (CGC) probing patterns defining the draw of samples at different locations in various bulk static lots (CGC 2009).

Canadian Grain Commission (CGC). 2009. Sampling systems handbook and approval guide [Internet]. Winnipeg (MB): CGC; [cited 2010 Nov 7]. Available from: http://www.grainscanada.gc.ca/guides-guides/ssh-mse/sshm-mmse-eng.htm/

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