Major manufacturers call it a powerful germ-killing ingredient for soaps, toothpastes and deodorants, but Susan Kriznik won’t allow the man-made chemical triclosan on her shelves at home…”It’s pretty clear they’re intending to do away with (triclosan) at the consumer level,” said Donald W. Schaffner, a food science professor at Rutgers University in New Brunswick, N.J. “My concern is that use of the product in food service may get caught up in that. It is one very useful tool at our disposal to reduce the risk of food-borne pathogens in food service.”