"Under high pressure, microorganisms burst, and the food is sterilised, a process that today yields preservative-free lunch meats, packaged guacamole that stays

"Under high pressure, microorganisms burst, and the food is sterilised, a process that today yields preservative-free lunch meats, packaged guacamole that stays green under its wrapper, and fresh-tasting bottled juices (the process is sometimes called cold pasteurisation)." A confusing bit of nomenclature, as "cold pasteurisation" is also used to refer to using ionizing radiation on food for the same purposes.