Contamination & AllergensQuestion 48 of 320
Allergen cross-contact happens when:
a.Two safe foods are mixed together on purpose
b.An allergen is transferred from a food containing it to a food that should not contain it, such as using the same fryer oil
c.A food is cooked above 165°F
d.A food is frozen and thawed
Explanation
Cross-contact occurs when an allergen protein is unintentionally transferred to a food that should be allergen-free, for example frying shrimp and then french fries in the same oil, or using the same unwashed utensils. Unlike pathogens, allergen proteins are not destroyed by cooking, so cooking hotter does not help. Freezing and intentional safe mixing are unrelated.
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