FIGURE 2.1 Tests for Potential Allergenicity. Source: Adapted from Metcalfe (1996b).

sprays (Bernstein et al. 1999). The response seen in this study could have been due to proteins other than the Bt toxins in the formulation, so similar studies should be performed with purified Bt toxins.

2.5.2 Questions Concerning Health Impacts

The potential for transgenic pest-protected plants to pose a threat to human or animal health must be considered against the background of

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