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Pressure canning is the only safe home canning method for meats and low-acid foods. This method uses a pressure canner — similar to, but heavier than, a pressure cooker. A small amount of water is placed in the pressure canner and it is turned to steam, which without pressure would be 212 °F (100 °C), but under pressure is raised to 240 °F ...
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 of food can preserve food for a particularly long period of time, whether done at home or commercially. Canned food is vacuum packed in order to keep oxygen, which is needed by bacteria in aerobic spoilage, out of the can. Canning does have limitations, and does not preserve the food indefinitely. [14]
An essay in Salon calls the practice of canning "haute," though dismisses it as an inappropriate source of nourishment for people with real day jobs, part of a too-precious do-it-yourself (DIY) craze.
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The best by dates for the affected products range from April 30, 2009, through May 22, 2009. The contamination by the toxin is extremely rare for commercially canned products. CDC medical epidemiologist Dr. Michael Lynch said the last such U.S. case dates to the 1970s. The roughly 25 cases reported each year were mainly from home canned foods ...
How should we interpret the 'best by' dates on canned goods? It is also worth noting that the age of food is not what makes you sick, it is whether the food becomes contaminated. Most 'best by ...