Could a sandwich stay fresh for years?

The Globe and Mail:

“Not sure if you can face eating that train sandwich?” asks The Sunday Times of London. “Soon you might be able to drop it in your briefcase and keep it for a year or two. Scientists have discovered a naturally occurring agent capable of destroying the bacteria that cause meat, fish, eggs and dairy produce to rot. They believe it could extend the life of perishables such as milk, sandwiches and sausages. Opened wine, ready meals and products such as fresh salad dressing could also last much longer at home, in some cases for years. And they might not even need refrigeration. [This month] researchers at the University of Minnesota reported the discovery of bisin, a naturally occurring compound produced by some types of bacteria. They found that it reduces the growth of lethal bacteria including E. coli, salmonella and listeria.”

Read the full story: The Globe and Mail