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The proper time and temperature for dry heat sterilization is 160 °C (320 °F) for 2 hours or 170 °C (340 °F) for 1 hour, and in the case of High Velocity Hot Air sterilisers, 190°C (375°F) for 6 to 12 minutes. [3] Items should be dry before sterilization since water will interfere with the process.
This method is a faster process than dry heat sterilization. Steam sterilization is performed using an autoclave , sometimes called a converter or steam sterilizer. The object or liquid is placed in the autoclave chamber, which is then sealed and heated using pressurized steam to a temperature set point for a defined period of time.
Dry heat cooking imparts a distinctive richness to foods through the processes of caramelization and surface browning. As heat travels through, it transforms batters and doughs into baked goods and more with a firm dry crust and a softer center. [2]
Roasting is a cooking method that uses dry heat where hot air covers the food, cooking it evenly on all sides with temperatures of at least 150 °C (300 °F) from an open flame, oven, or other heat source. Roasting can enhance the flavor through caramelization and Maillard browning on the surface of the food.
Grilling – a form of cooking that involves dry heat applied to the surface of food, commonly from above or below. May involve a grill, a grill pan, or griddle. Maillard reaction – a chemical reaction that occurs when amino acids and reducing sugars are exposed to heat which gives browned food its distinctive flavor
Heatstrokes can cause severe symptoms, including changes in mental status, coma and seizures.A milder form of heat-related illness, known as heat exhaustion, can cause headache, nausea or dizziness.
Deglazing can also be used while cooking vegetables, especially ones that have left sugars at the bottom of a pan. It is commonly used in caramelizing onions. [5] Because vegetables do not produce as much fat, they do not need to be removed from the pan to pour off excess grease.
Skin changes can occur after prolonged exposure to any heat source, Camp noted, including laptops, heated car seats, hot water bottles, electric blankets, space heaters and heating pads used to ...