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玉米芯糖化微波與酸/堿聯(lián)合預(yù)處理效果實(shí)驗(yàn)分析
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on Pretreatment of Corn Cob Saccharification by Acid and Alkali Coordination with Microwave
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    摘要:

    采用微波和酸/堿預(yù)處理玉米芯，研究不同微波功率密度和時(shí)間對(duì)酸/堿預(yù)處理后秸稈糖化的影響,。結(jié)果表明：微波/堿處理組中獲得的還原糖平均為51.71mg,，比對(duì)照提高了33.82%,；微波/酸預(yù)處理組中，平均還原糖質(zhì)量為8.76 mg,。酸/堿預(yù)處理后進(jìn)行微波處理，發(fā)酵液中的FPA酶活平均為2.23U/mL和10.90 U/mL，分別比對(duì)照提高17.26%和35.05%,；CMC酶活平均為3.43 U/mL和12.41 U/mL，分別比對(duì)照下降15.96%和提高34.32%,。微波處理對(duì)堿預(yù)處理后的玉米芯優(yōu)于對(duì)酸預(yù)處理后的效果,。

    Abstract:

    Pretreatment of corn cob was carried out by microwave/alkali and microwave/acid, including different power densities and time of microwave pretreatment. The results showed that average weight of reducing sugar received by microwave/alkali pretreatment was 51.71mg, over 33.82% than the control. And the weight was 8.76mg by microwave/acid. Acid/alkali pretreatments were followed by microwave treatment. Average FPA activities were 2.23U/mL and 10.90U/mL in fermentation fluid, respectively, increasing 35.05% and 17.26% compared with the control. Meantime average CMC activities were3.43 U/mL and 12.41 U/mL, respectively, decreasing 15.96% and increasing 34.32% respectively compared with the control. Alkali pretreatment of corn cob followed by microwave was better than the acid pretreatment.

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楊培周,姜紹通,潘麗軍,羅水忠,許燕,易守連.玉米芯糖化微波與酸/堿聯(lián)合預(yù)處理效果實(shí)驗(yàn)分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(7):101-104. on Pretreatment of Corn Cob Saccharification by Acid and Alkali Coordination with Microwave[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(7):101-104.

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