People allergic to Brazil nuts were found to be allergic to the modified soyabean as well.

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Owen, now 7, is allergic to peanuts and tree nuts, said his mother, Haylee Kellogg of Cedar Hills, Utah.

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In this study, the team tried to change these proteins and reduce the allergic properties of the nuts by subjecting them to gamma radiation and thermal processing.

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He is allergic to dairy, peanuts, tree nuts and legumes.

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Allergic to eggs, wheat, soy, milk, seafood and nuts, Samantha can only tolerate small bits of white potato and turkey.

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At each of these stages, the researchers tested the nuts to assess how likely they were to trigger an allergic reaction.

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