稀酸预处理对酶解巨菌草纤维素的影响  

Effect of Dilute Acid Pretreatment on Enzymatic Hydrolysis Pennisetum sp.Cellulose

作　　者：师静[1,2] 林占熺[1,2] 林冬梅 苏德伟[1,2] 罗海凌 林兴生 林占森 郑丹 姚俊新[1,2] 陈锦华 

机构地区：[1]国家菌草工程技术研究中心,福建福州350002 [2]福建农林大学生命科学学院,福建福州350002

出　　处：《北方园艺》2013年第17期151-154,共4页Northern Horticulture

基　　金：国家林业局公益性行业资助项目(201004019);福建省科技重大专项资助项目(2012NZ0002)

摘　　要：以巨菌草为试材,研究了稀酸(H2SO4)的固液比、酸浓度、处理时间和反应温度对巨菌草化学组成和酶解液中还原糖含量的影响。结果表明:稀酸的最佳预处理条件为:固液比1∶20、酸浓度2.0%、处理时间60min、反应温度100℃。该研究为巨菌草作为制备生物乙醇的材料提供了理论依据。Taking Pennisetum sp. as material, the effect of solid-liquid ratio, acid concentration, processing time and processing temperature of H2SO4 on chemical composition of Penniseturn sp. and the reducing sugar content in enzymatic hydrolysis solution were studied. The results showed that the best dilute acid （H2SO4 ） pretreatment methods were as follows.solid-liquid ratio 1 ： 20,acid concentration 2. 0%, treatment time 60 rain and processing temperature 100℃. This article conducted a preliminary exploration for giant Juncao as bio-ethanol fuel.

关 键 词：巨菌草 纤维素 稀酸处理 酶解 

分 类 号：S646[农业科学—蔬菜学]