Smart Plastic additives are inserted into the production process in very small percentages along with other standard ingredients. These additives transform the plastic into a powerful agent that is highly effective against salmonella, listeria, E.coli, MRSA, and dozens of commons dangerous organisms, says the company. It claims a 99.9% reduction in bacteria and a 5-log reduction in antimicrobial protection. “The Veg-Fresh team and the Smart Plastics team have been in discussions for a few years now.