What Are Pressure Canners?
The conventional way of processing food is to place them in jars which would be then put into water bath canners filled with water. This is done by immersing jars into boiling water, allowing the high temperature to kill the bacteria in it. However, when it comes to processing low acids food, a much higher temperature is needed, or else the bacteria in it will not be killed. Low acids foods refer to any food at or above the pH level of 4.6, such as red meats, sea food, poultry, and fresh vegetables. The temperature that can neutralize the bacteria is at 240 F, and it has to be maintained for some time. In order to get this done, the food needs to be put under steamed pressure. This can be achieved using pressure canners. Pressure canners look like a pressure cooker, and can carry the functions of one, however, as its name suggests, it also cans. Modern day canners are built lightweight, with thin walls made out of either aluminum or stainless steel. Most have lids that fit in by twisti
