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Food Drying through the Use of Food Dehydrators

There are a variety of ways that are used in preserving different kinds of food to ensure that their shelf life is increased. One of the commonly used food preservation method is food drying where the food is dried hence preventing the growth of yeasts, bacteria or molds by removing water from the food. In most cases when drying food, a food dehydrator may be used that helps extract moisture form the given food hence aiding in preservation. The food dehydrator may be used on various kinds of foods such as vegetables, fruits as well as animal proteins.

Food drying through the use of a food dehydrator usually requires a source of heat and the air flow to help extract water from the food. The source of heat can vary depending on the preference and may include electric power, solar power or even a biofuel. There are various important components that are essential for a food dehydrator to enhance drying of food which may include the heating element, air vents that allow air circulation in the device, a fan as well as food trays where one can lay the food. Food drying in a food dehydrator is usually carried out through the heating element, air vents that allow air circulation in the device and a fan which work simultaneously with each other in removing moisture from the food.

The heating element usually warms the food which allows the moisture present to be released while the fan will blow out the moist warm air from the appliances through the air vents. This process of food drying in the food dehydrator will continue till the moisture content remaining in the food is less the 20%. Depending on the kind of food that is being dried for preservation, the drying temperature will vary for example most foods are usually dehydrated at 1300F while for the meat jerky, the temperature has to be increased to about 1550 F. An adequate flow of air in the device and a constant temperature has to be maintained in the food dehydrator to ensure that the drying process is appropriate and the shelf life of the food concerned is enhanced. The most appropriate temperature that should be maintained should not be too high to ensure that the food do not dry and become hard on the outside and the inside is moist making it susceptible to spoilage.

One need to put certain factors into consideration when purchasing a suitable food drier to use for food preservation. Some of the common things to consider include the model of the dehydrator, the kinds of food to be dried, space one has to accommodate the food dehydrator as well as its cost.

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