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LEDs can destroy salmonella in fruit juice
date:Aug 17, 2016
th 460 nanometers to illuminate orange juice that was artificially contaminated with five strains of salmonella. It was then observed that the lights could kill off almost all the salmonella cells. When the bacteria absorbs the blue LEDs, it sets off a process where free radicals are produced to break down the bacterial cells, explained Prof Yuk.

It took about four to 11 hours to kill 99.9 per cent of salmonella in the orange juice at different temperatures, said Prof Yuk, who added that a long

12/24 22:09