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Pasteurized milk in Japan A 1912 Chicago Department of Health poster explains household pasteurization to mothers.. In food processing, pasteurization (also pasteurisation) is a process of food preservation in which packaged foods (e.g., milk and fruit juices) are treated with mild heat, usually to less than 100 °C (212 °F), to eliminate pathogens and extend shelf life.
It is used for cooking at table, notably in gueridon service, or as a food warmer for keeping dishes at a buffet warm. Historically, a chafing dish (from the French chauffer , "to make warm") is a kind of portable grate raised on a tripod, originally heated with charcoal in a brazier , [ 1 ] and used for foods that require gentle cooking, away ...
Some food cookers can then, in essence, become food warmers as they use a reduced heat to maintain a serving temperature. [1] Electric rice cookers do this automatically. A multicooker is an electric kitchen appliance for automated cooking using a timer. In addition to cooking programs, a multicooker may have functions to keep food warm. [1]
"The direct heat from the pot, lengthy cooking and steam created within the tightly-covered container combine to destroy bacteria and make the slow cooker a safe process for cooking foods."
It is also possible to freeze food by immersion in the warmer (at −70 °C (−94 °F)), but cheaper, liquid carbon dioxide, which can be produced by mechanical freezing (see below). [8] Most frozen food is instead frozen using a mechanical process using the vapor-compression refrigeration technology similar to ordinary freezers. Such a ...
Salmon being poached with onion and bay leaves. Poaching is a cooking technique that involves heating food submerged in a liquid, such as water, milk, stock or wine.Poaching is differentiated from the other "moist heat" cooking methods, such as simmering and boiling, in that it uses a relatively lower temperature (about 70–80 °C or 158–176 °F). [1]
Aim to fill your plate with nutrient-dense foods to give your body the fuel it needs to feel satisfied and energized. Focus on: Fruits and vegetables. Whole grains like brown rice, oatmeal, and ...
Low-acid foods, such as vegetables and meats, require pressure canning. Food preserved by canning or bottling is at immediate risk of spoilage once the can or bottle has been opened. Lack of quality control in the canning process may allow ingress of water or micro-organisms.