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淀粉糖漿的擠壓酶解技術(shù)
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    摘要:

    采用二次正交旋轉(zhuǎn)組合試驗,，研究了擠壓酶解法生產(chǎn)淀粉糖漿時擠壓機參數(shù)對淀粉糖漿DE的影響規(guī)律，并采用正交試驗設(shè)計對酶解擠壓玉米粉的液化,、糖化技術(shù)條件進行了研究,。結(jié)果表明,，在擠壓機?？卓讖?2.2～13.0mm,、套筒溫度64.2～70.9℃,、進料含水率18.43%～19.66%和螺桿轉(zhuǎn)速193～202r/min條件下對獲取的擠壓玉米粉進行酶解生產(chǎn)淀粉糖漿的酶解條件為水料比3.0mL/g,、液化20min,、糖化40min。在該擠壓條件和酶解條件下,，獲取的淀粉糖漿的平均DE值為40.80%,，糖液出品率及過濾性能等指標均優(yōu)于對照工藝。

    Abstract:

    In the test,，the starch syrup was obtained by extrusion and enzyme hydrolysis of corn meal．With the aid of the combination design of quadratic orthogonal rotation,，the influential rules of extrusion factors to DE value was demonstrated,，and the technology conditions of liquefaction and saccharification were established by orthogonal design. The results showed that when heating temperature of extruded was set to 64.2～70.9℃，rotation speed of extruder was 193～202r/min,，moisture of material was 18.43%～19.66%,，die hole aperture of extruder was 12.2～13.0mm，and the enzyme hydrolysis technology according to the ratio between water and material was 3.0mL/g,，liquefaction was 20 min,，saccharification was 40min，the DE value was about 40.80%. 

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肖志剛,申德超.淀粉糖漿的擠壓酶解技術(shù)[J].農(nóng)業(yè)機械學報,2008,39(12):112-117.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(12):112-117.

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