extrusion Flashcards

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1
Q

Extrusion

A

high temperature, short time process in which moistened, expansive, starchy foods are foced through a special opening

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2
Q

extrusion process defn

A

set of mixed ingredients are forced through a die with a deisgn specific to product

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3
Q

machine?

A

extruder

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4
Q

mix?

A

extrudate

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5
Q

The process

A
  1. Raw materials ground to a particular size
  2. Dry mix is past through a pre-conditioner and other ingredients are added
  3. Steam is injected
  4. extrudate is passed through the extruder
  5. extrudate is cut by blades on output
  6. product is cooled and dried
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6
Q

expansion ratio

A

extruded product puffs and changes texture due to force of reduction

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