Objective To elucidate the natural occurrence of multi-mycotoxin in cereal and cereal-based products collected from parts of China in 2010.Methods A total of 650 corn and corn product,wheat flour,rice and peanut samples collected from Anhui,Yunnan,Fujian,Gansu,Guangxi,Hainan,Heilongjiang,Hubei,Hunan,Jiangxi,Shanxi and Shanghai provinces(cities/autonomous regions) in 2010 were analyzed for 14 kinds of mycotoxin by ultra performance liquid chromatography-tandem mass spectrometry.Results Corn produ...