NY Times test finds no identifiable tuna DNA in Subway’s tuna sandwich

A New York Times analysis found no identifiable tuna DNA in Subway’s tuna sandwich, the newspaper reported over the weekend, citing tests conducted by a commercial lab.

The Times bought 60 inches of Subway tuna sandwiches from three different Subway locations in Los Angeles.

A reporter for the newspaper then removed and froze the tuna and sent it to an unidentified commercial food testing lab. The newspaper said it paid roughly $500 for the lab to conduct a PCR test to see if the substance had one of five different tuna species.

After a month, the lab said it found “no amplifiable tuna DNA was present in the sample and so we obtained no amplification products from the DNA.”

“Therefore, we cannot identify the species,” the lab said.

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