DIY





Sun Drying Food Techniques

MOTHER EARTH NEWS provides sun drying food techniques to preserve meat, fruit, and vegetables the natural way.

| July/August 1975

Sun drying works best in areas such as the southwestern states and the central plains of the U.S. and Canada where dry, clear weather is normal at the height of the produce harvest. Indoor dehydration is the rule for cloudy or highly polluted localities. In regions like the Southeast, where strong sun is offset by moist air, evaporation can be speeded by the use of the solar dryer a vented, glass-covered box like a cold frame, which produces higher temperatures and hence lower relative humidity.

Sun Drying Food Techniques

A surprising variety of foods can be sun-dried, especially produce, which should be chosen for top quality, picked over, and washed well. Juicy fruits are usually halved or quartered, and vegetables — which are low in acid and spoil more readily — cut into small pieces for faster dehydration.

Many folks then dry their produce without more ado, and enjoy good success. Some experts on food preservation, though, hold that vegetables should first be blanched in scalding steam to stop the action of enzymes that cause deterioration in storage. Another pretreatment — exposure to the fumes of burning sulfur — is often advised for fruits such as apples, apricots, peaches, and pears, to preserve color and vitamins A and C (which are otherwise destroyed, although most nutrients are well retained).

Treated or not, the foods are spread without crowding on paper-lined trays or — preferably — cloth-covered wooden frames, protected with cheesecloth if insects are a problem, and left in the sun to dry with the aid of occasional turning. The trays should be moved under shelter and guarded from dampness at night. If wet weather sets in, the batch can be saved from spoilage by oven-drying.



Another common practice is to string pieces of food on strong thread which are then hung in the sun or indoors. Sheltered air-drying is recommended for herbs and in areas of low humidity, most edibles can be dehydrated in the shade with superior retention of color and flavor.

Some experts state that sun-dried foods should be pasteurized by heating them in an oven at 175 degrees Fahrenheit (10 minutes for vegetables cut small, 15 minutes for fruits). Others, however, simply check each batch for uniform dryness and pack the edibles in airtight containers. It's wise to inspect any such stored products now and then for spoilage.

Dried foods can be nibbled raw, or covered with boiling water and soaked or simmered until tender. Be sure to use the liquid!






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