Friday, August 22, 2008
You are what you eat
But what you eat is not always what you think it is, fishwise at least. Some students took advantage of available technology to see if, according to simple DNA testing, the fish they were buying matched the label.
They found that one-fourth of the fish samples with identifiable DNA were mislabeled. A piece of sushi sold as the luxury treat white tuna turned out to be Mozambique tilapia, a much cheaper fish that is often raised by farming. Roe supposedly from flying fish was actually from smelt. Seven of nine samples that were called red snapper were mislabeled, and they turned out to be anything from Atlantic cod to Acadian redfish, an endangered species.So if you think something is fishy about your fish you may be right.
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