
Food preservation | Definition, Importance, & Methods | Britannica
Dec 3, 2025 · Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.
Techniques of food preservation | Britannica
Dec 4, 2025 · NARRATOR: They used a variety of methods such as salting, drying, icing, pickling, smoking, or fermentation for beer, cheese, and bread-- all of which we still use today.
Food preservation - Sterilization, Canning, Freezing | Britannica
Dec 3, 2025 · Food preservation - Sterilization, Canning, Freezing: The time and temperature required for the sterilization of foods are influenced by several factors, including the type of microorganisms …
Food preservation - Pickling, Fruits, Vegetables | Britannica
Dec 3, 2025 · Various methods are used: the meat may be mixed with dry ingredients; it may be soaked in pickling solution; pickling solution may be pumped or injected into the flesh; or a combination of …
Food preservation - Freezing, Storage, Technology | Britannica
Oct 11, 2025 · Food preservation - Freezing, Storage, Technology: The rate at which heat is removed from a food during freezing depends on how fast heat can travel within the food and how efficiently it …
Definition, Food Preservation, & Methods - Britannica
Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.
Food preservation - Packaging, Storage, Shelf-Life | Britannica
Jul 28, 2025 · Food preservation - Packaging, Storage, Shelf-Life: Because packaging helps to control the immediate environment of a food product, it is useful in creating conditions that extend the …
Smoking | Food Preservation & Methods | Britannica
Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.
Food preservation - Aseptic, Canning, Freezing | Britannica
Dec 3, 2025 · The microorganisms that grow in a food product, and the changes they produce, are determined by acidity, available carbohydrates, oxygen, and temperature. An important food …
Nicolas Appert | Biography & Facts | Britannica
Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.