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This method uses a pot large enough to hold and submerge the glass canning jars. Food is placed in glass canning jars and placed in the pot. Hot water is added to cover the jars. Water is brought to a boil (212 °F (100 °C)) and held there for at least 10 minutes. Different foods require a different length of time under boil; larger jars ...
Canning is a method of food preservation in which food is processed and sealed in an airtight container (jars like Mason jars, and steel and tin cans). Canning provides a shelf life that typically ranges from one to five years, [ a ] although under specific circumstances, it can be much longer. [ 2 ]
Canning involves cooking food, sealing it in sterilized cans or jars, and boiling the containers to kill or weaken any remaining bacteria as a form of sterilization. It was invented by the French confectioner Nicolas Appert. [4] By 1806, this process was used by the French Navy to preserve meat, fruit, vegetables, and even milk.
Boiling the jars will remove the oxygen remaining in the jar, which forms a tight seal between the lid and the rim. The heat used for this method of canning can be sufficient to kill bacterial cells found in the food. Only high-acid food with a pH of 4.6 or less can be processed using the boiling water bath method.
In your fridge, consider dedicating a shelf to cooked or prepared proteins like "boiled eggs, shredded chicken, Greek yogurt, or shelled edamame," suggests Lorenz.
Commercial canning involves cooking food and sealing it in sterilized tin cans. Home canning (or bottling) uses glass jars, such as Kilner jars or Mason jars, and boiling the containers to sterilize the contents.
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