The first commercial canning factory was established in England in 1813. It was pioneered by a French man by the name of Nicholas Appert in the 18th century. The raw food is packed into a can which is then cooked at high temperature and pressure to get rid of all bacterial spores and fungi so that the food is commercially sterilized. This enables canned food to be shelf stable over a long period. The high temperature kills all bacterial spores but unfortunately it also destroys the texture, natural taste, color and the nutritional values of the food.

Canned food has always been meant for emergencies and convenience and is always perceived as low quality. In the early 1960s, an improvement called the