The challenge was to beat the rains and preserve as much food as possible.

The use of ice to refrigerate and thus preserve food goes back to prehistoric times.

How do you preserve enough food to last until the next growing cycle?

This is the best way to preserve extra food.

This technique, usually called escabeche, was once used to preserve food.

Smoking came to be seen more as way to flavor than to preserve food.

Open air drying using sun and wind has been practiced since ancient times to preserve food.

Salt's ability to preserve food was a foundation of civilization.

He thought then that the simple kitchen device, a thing made to preserve food, set the style for his entire lab.

They also preserve food for periods of drought or crop failure.