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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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이 논문의 연구 히스토리 (4)
2013
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The aim of this study was to determine the effects of different extrusion conditions on the saccharification characteristics(initial reaction velocity, reaction rate constant, yield) of extruded corn starch. Extruded corn starch-water slurries were mixed with alpha-amylase for the enzymatic saccharification. The saccharification yield of extruded corn starch was high at lower feed moisture content and higher barrel temperature. The solubility of extrudates increased with increase in the SME input which increased with increase in the feed moisture content. Starch hydrolysates having DE 63.8 was obtained after 2 hrs reaction. The initial reaction velocity of the extrudate slurry with alpha-amylase was higher with decrease in the feed moisture content. The initial reaction velocity of extruded corn starch was the highest (2.26×10^-3mmol/mLㆍmin) at 25% feed moisture content and 120℃ barrel temperature, 250 rpm screw speed. The pregelatinized starch was 1.83×10^-3mmol/mLㆍmin as a control. Reaction rate constant is similar trend as initial reaction velocity.
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참고문헌 (29)
참고문헌 신청
AACC / 1983 / Approved Method of the AACC. 10th ed / American Association of Cereal Chemists
AOAC / 1990 / Official Methods of Analysis. 15th ed / Association of Official Analytical Chemists
Baks T / 2008 / Towards an optimal process for gelatinization and hydrolysis of highly concentrated starch-water mixtures with alpha-amylase from B.licheniformis / J. Cereal Sci 47:214~225
Ben-Gera Y / 1983 / Extrusion cooking of grains for ethanol production / J. Food Sci 2:177~187
Chang YK / 2003 / Extrusion-cooking of cassava starch as pre-treatment for its simultaneous saccharification and fermentation for ethanol production / Acta Alimentaria 32:219~235
AOAC / 1990 / Official Methods of Analysis. 15th ed / Association of Official Analytical Chemists
Baks T / 2008 / Towards an optimal process for gelatinization and hydrolysis of highly concentrated starch-water mixtures with alpha-amylase from B.licheniformis / J. Cereal Sci 47:214~225
Ben-Gera Y / 1983 / Extrusion cooking of grains for ethanol production / J. Food Sci 2:177~187
Chang YK / 2003 / Extrusion-cooking of cassava starch as pre-treatment for its simultaneous saccharification and fermentation for ethanol production / Acta Alimentaria 32:219~235
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