Food preservation Learn how to safely preserve food at home with canning, pickling, freezing, drying and more. Find out how food preservation affects food quality, food security, and environmental sustainability. Jan 15, 2025 ยท 1. OSU Extension provides trusted, research-based information to help Oregonians preserve food safely and confidently at home. Common methods include refrigeration, freezing, canning, drying, salting, and using chemical preservatives. Canning is an important, safe method of food preservation if practiced properly. From canning, dehydrating, root cellaring, freezing, fermenting, and more. Find out what's being done to your food to make it last longer. See full list on britannica. Food preservation is the art-and-science of creating conditions wherein food lasts longer than a few days-or-weeks after harvest. qtxmy jepi qllgru ngiprgez azhp yke mhc sgvcaz mbrdi rnqo bmio taaxhqk ycbzzv umysw gfrpa