We Are Tomodachi New Year 2016

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27How microwave-vacuum drying worksDrying methods comparedMicrowaves reach inside the food, causing the water in it to evaporate. The vacuum pump draws out the air, lowering the pressure inside the dehydrator. Because the boiling point falls at lower pressure, water evaporates at a temperature below what would cause heat damage to cells. Air currents swiftly carry away the water vapor.1. Orange slices dried in hot air (left) and in a microwave-vacuum dehydrator (right). The former have a burnt taste, but the latter preserve the original flavor and aroma. 2. President Kuniyasu Okamura of Seiko Engineering declares, “I want to lower the price of the dehydrator to make it easier for fruit and vegetable growers to acquire.”Note: Comparison is for production of dried scallop meat.40012343530252015105021

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