| 摘要 |
An apparatus and process are disclosed for expanding raw, wholeseed amaranth and extruded half products of cereal grains. Amaranth (for example), after tempering to a predetermined moisture content, is fed at a steady rate to a cylindrical popping drum having perforations sufficiently small to contain both raw and expanded amaranth. Popping is accomplished with air heated to a temperature of from 450 to 500 degrees F., forced into the popping drum from below to provide a fluid bed for supporting the amaranth. An auger in the popping container is rotated to move the amaranth through the container as it is being popped, further agitating the amaranth. Following expansion, the expanded amaranth is separated from unexpanded amaranth and other unwanted matter, either in a perforated, revolving separating drum, or on an inclined, vibrating screen.
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