Ultrasound, washing reduce E. coli
Combining continuous ultrasound treatment and chlorine washing can reduce the number of E. coli O157:H7 cells on spinach leaves, according to researchers at the University of Illinois at Urbana–Champaign.
Hao Feng, a professor of food science and human nutrition, and his research team developed a pilot-scale continuous-flow washing system with three pairs of ultrasonic transducer boxes. These boxes form a channel through which ultrasound is administered t…