The body that polices food import standards said the 8.37 tons of frozen pork kidney and 24 tons of frozen pork chops were returned after the discovery of ractopamine residue.

• 负责食品进口标准的中国政府机构表示，在检测出莱克多巴胺残留后，已将8.；37吨冻猪肾和24吨冻猪排做了退货处理。