酶法降解蔗渣制备低聚木糖酶解特性的研究  

Preparation of enzymatic degradation of bagasse enzymatic properties of xylooligosaccharides

作　　者：李妍[1] 曹东旭[1] 李寅初[1] 

机构地区：[1]天津科技大学食品工程与生物技术学院,天津300457

出　　处：《食品科技》2012年第8期176-180,共5页Food Science and Technology

摘　　要：响应面优化酶解条件:加酶量0.82%,粗木聚糖浓度8.4%,温度46℃,水解时间4.5h;低聚木糖得率43.55%;薄层分析初步确定有木二糖、木三塘、木糖;红外光谱分析产物具有低聚木糖结构特征;液相色谱确定产物以木二糖为主,含量达85%。Response surface optimization of hydrolysis conditions： The amount of enzyme 0.82%, crude xylan concentration 8.4%, hydrolysis temperature 46 T：, hydrolysis time 4.5 h, XOS yield 43.55%. TLC analysis： Composition and structural characteristics shows xylobiose, xlyose. Infrared analysis shows structural features with XOS; HPLC shows products were xylobiose main content of 85%.

关 键 词：蔗渣 低聚木糖 酶解 成分分析 

分 类 号：TS249.2[轻工技术与工程—制糖工程]