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| | Drying Food |
 | | The drying process, however, destroys some of the vitamins, especially A and C. Exposing fruit to sulfur before drying helps retain vitamins A and C. Sulfur destroys thiamine, one of the B vitamins, but fruit is not an important source of thiamine anyway. |
 | | Sun drying is the old-fashioned way to dry food because it uses the heat from the sun and the natural movement of the air. |
 | | Many factors affect the length of time needed for drying foods: temperature, air circulation, humidity, the kind of food being dried, the amount of food on a tray, the size of the pieces of food, and the total amount of food in the oven or dryer. |
| www.ag.uiuc.edu /~vista/html_pubs/DRYING/dryfood.html (8361 words) |
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