Description

It is the process of feeding raw material through screw that causes kneading, grinding, mixing, inner shear force. This time heat has been occurred and cell wall will break away. The factor of heat, moisture, high pressure, time make material cooked. Starch will change status to gelatin called “Gelatinization” . Mean time the structure of starch, protein, fat will be changed  call “Plasticization” . This can form many shapes as require.

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