Bye-bye to use-by dates: A magic ingredient that could keep food (and wine) fresh for years

By Tamara Cohen
Last updated at 9:32 AM on 15th August 2011

No time to make a packed lunch before work? Soon you could make it a year in advance.
Scientists have discovered a natural preservative which could spell the end of rotting food.
They have pinpointed the substance which destroys the bacteria that make meat, fish, eggs and dairy products decompose.