Yang Fu-min

College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China

Xu Xiao-xia

College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China
Gansu Agriculture Technology College, Lanzhou, China

Yang Min

College of Science, Gansu Agricultural University, Lanzhou, China

Qiang Kai-xia

Qingshui Center for Disease Control and Prevention, Qingshui, China

Wang Xue-yan

College of Food Science and Engineering, Gansu Agricultural University, Lanzhou, China