Electrical tecqniques in food Sterilization

[Hesham29]

I'd like to write a report (1800 words) about the Electrical tecqniques in food Sterilization.
The report is aimed to be for the lay audience.
So, could you please support me with some suitable sources?

 

[DragonPetter]

http://en.wikipedia.org/wiki/Electron_beam_processing
http://en.wikipedia.org/wiki/Germicidal_lamp

also x-rays and gamma rays can be produced from electrical machines and can be used to kill bacteria.