WUP#3.3 Preservation techniques

Wrap up

Freezing halts bacterial activity by lowering temperatures, preserving the freshness, texture, and nutrients of food. It's versatile, ideal for fruits, vegetables, herbs, and pre-cooked meals. For instance, freezing summer berries lets you enjoy their sweetness year-round. Proper packaging ensures quality retention.

Freezing

Sterilization uses heat to eliminate harmful microorganisms, making it perfect for long-term food storage. This method preserves sauces, soups, or jams for months, such as sterilized tomato sauces ready to enrich any dish. Reliable and simple, it's a staple in professional and home cooking.

Sterilization

Lacto-fermentation combines preservation with flavor enhancement. Using natural bacteria, it transforms ingredients into nutrient-rich foods like sauerkraut, kimchi, or fermented carrots. This ancient method creates unique flavors while offering probiotics that promote gut health.

Lacto fermentation