How to Food Preservation

What You Need to Know

Food preservation involves applying heat, cold, or removing moisture to prevent bacterial growth and spoilage. This can be achieved through canning, freezing, or dehydrating, each with its own specific temperature and time requirements.

Steps

1. 1.

   Gravlax (Scandinavia): Salt/sugar cure preserves salmon while maintaining silky texture

2. 2.

   Tsukemono (Japan): Lacto-fermentation creates crisp, acidic vegetable accompaniments

3. 3.

   Pemmican (North America (Indigenous)): Fat encapsulation preserves dried meat/berries for long shelf life

The Science

Primary Reaction

inhibition of bacterial growth

Common Mistakes