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Extrusion liquefact...
Abstract
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- The objective of this study was to assess the feasibility of accomplishing enzymatic liquefaction and saccharification of carbohydrate formulations during one pass in a twin-screw food extruder. The combined liquefaction and saccharification process was carried out on a cereal grain formulation in a pilot-scale twin screw Baker Perkins extruder, using thermophilic α- and β-amylase. The biggest limitation on the process was the short residence times characteristic of the extruder. This problem was partially overcome by a combination of screw configurations, mass flow rates and RPM which extended the residence times and enhanced the extent of reaction. Results indicate that this type of technology may provide some opportunities for the food and biochemical industry.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik -- Bioprocessteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology -- Bioprocess Technology (hsv//eng)
Keyword
- Biokemisk processteknik
- Biochemical Process Engineering
Publication and Content Type
- ref (subject category)
- art (subject category)
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