date:May 29, 2013
, this case is not a problem of food safety. It is a problem of food quality and trust, said Fan Zhihong, a food safety expert at China Agricultural University.
Fan also said it is impossible to discern mutton from duck meat by routine checks that test fat content, protein content and meat tenderness.
Only a DNA test using a polymerase chain reaction technology can tell the difference, she said. But this is a very expensive testing procedure.
Due to the high cost of these tests, the quality o