Peter Bradenmark, head of food control management at Sweden's National Food Agency, told the AP that the agency would test about 50 to 100 samples from supermarkets nationwide.
"What's happened is alarming," he said. "Food companies are sincere and they want to do the right thing. But sometimes things go wrong unintentionally, and unfortunately, at times it's intentional."
Associated Press writer Nicolae Dumitrache contributed to this story from Roma, Romania.
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