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Carbon dioxide gas was injected during extrusion at\r the flow rate of 500 ml/min and pressure of 3 MPa. For enzymatic saccharification, 0.8% α-amylase enzyme was\r used at different saccharification periods. After extrusion, physiochemical properties and reducing sugar content\r The objective of this research was to investigate the effect of carbon dioxide injection during extrusion processat different melt temperatures 95, 115 and 135°C on physiochemical properties and enzymatic saccharification ofextruded corn starch for fermentation substrate preparation. Carbon dioxide gas was injected during extrusion at the flow rate of 500 ml/min and pressure of 3 MPa. For enzymatic saccharification, 0.8% α-amylase enzyme was used at different saccharification periods. After extrusion, physio chemical properties and reducing sugar content were measured. Carbon dioxide injection had positive effects on breaking strength, elastic modulus, expansionratio, specific length, piece density, water absorption index, water solubility index, free amino nitrogen and reducing sugar content (after saccharification) at melt temperatures 115 and 135°C. However, significant decrease (p\u003c0.05) inspecific mechanical energy input was obtained at only 135°C. 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  1. Yezin Agricultural University
  2. Advanced Center for Agricultural Research and Research and Education (ACARE)

Effect of Carbon Dioxide Injection on Physiochemical Properties and Saccharification of Extruded Corn Starch for Fermentation Substrate Preparation

http://hdl.handle.net/20.500.12678/0000000116
http://hdl.handle.net/20.500.12678/0000000116
ab23297e-1bbd-4265-b357-1819cea5578b
04d99b32-bf17-4099-ada7-9cdd582efe63
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effect effect of carbon dioxide injection ....pdf (2311 Kb)
Publication type
Journal article
Upload type
Publication
Title
Title Effect of Carbon Dioxide Injection on Physiochemical Properties and Saccharification of Extruded Corn Starch for Fermentation Substrate Preparation
Language en
Publication date 2013
Authors
Myat Lin
Gi-Hyung Ryu
Description
The objective of this research was to investigate the effect of carbon dioxide injection during extrusion process
at different melt temperatures 95, 115 and 135°C on physiochemical properties and enzymatic saccharification of
extruded corn starch for fermentation substrate preparation. Carbon dioxide gas was injected during extrusion at
the flow rate of 500 ml/min and pressure of 3 MPa. For enzymatic saccharification, 0.8% α-amylase enzyme was
used at different saccharification periods. After extrusion, physiochemical properties and reducing sugar content
The objective of this research was to investigate the effect of carbon dioxide injection during extrusion processat different melt temperatures 95, 115 and 135°C on physiochemical properties and enzymatic saccharification ofextruded corn starch for fermentation substrate preparation. Carbon dioxide gas was injected during extrusion at the flow rate of 500 ml/min and pressure of 3 MPa. For enzymatic saccharification, 0.8% α-amylase enzyme was used at different saccharification periods. After extrusion, physio chemical properties and reducing sugar content were measured. Carbon dioxide injection had positive effects on breaking strength, elastic modulus, expansionratio, specific length, piece density, water absorption index, water solubility index, free amino nitrogen and reducing sugar content (after saccharification) at melt temperatures 115 and 135°C. However, significant decrease (p<0.05) inspecific mechanical energy input was obtained at only 135°C. The data clearly showed that carbon dioxide injection gave significantly increased (p<0.05) reducing sugar content at melt temperatures 115 and 135°C for fermentation substrate preparation.
Keywords
Extrusion process, Carbon dioxide injection, Corn starch, α-amylase, Saccharification
Identifier https://yauor-yau.archive.knowledgearc.net/handle/123456789/308
Journal articles
Kongju National University
Journal of Microbial & Biochemical Technology;Volume 5(1): 018-024 (2013)
Conference papaers
Books/reports/chapters
Thesis/dissertations
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