Synthesis of Cello-Oligosaccharides for Alcohol Fermentation by Hydrolysis of Crystalline-Region Cellulose
结晶区纤维素水解合成酒精发酵用纤维低聚糖
基本信息
- 批准号:20550116
- 负责人:
- 金额:$ 3.16万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A practical method to hydrolyze crystalline cellulose was found out. After crystalline cellulose suspension in water was heated at 260℃±10℃ in which temperature the hydrogen bond is weakened, it was steam-exploded. The obtained cellulose showed that hydrolysis occurred only at its surface. Mercerized cellulose showed the same phenomenon. For the crystalline cellulose converted into a different crystalline state, an acidic hydrolysis around 200℃ gave mono- and oligo-saccharide derivatives, indicating the occurrence of main-chain scission. The converted cellulose was easily hydrolyzed by enzymes into monoand oligo-saccharides.
找到了一种实用的水解结晶纤维素的方法。将结晶纤维素水悬浮液在氢键减弱的260℃±10℃下加热后进行汽爆。所得纤维素显示水解仅发生在其表面。丝光纤维素也表现出同样的现象。结晶纤维素在200℃左右发生酸水解,转变成不同的结晶状态,得到单糖和寡糖衍生物,表明发生了主链断裂。转化后的纤维素容易被酶水解成单纤维素和低聚纤维素。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Sulfated oligosaccharide cluster with polylysine core scaffold as a new anti-HIV dendrimer
- DOI:10.1016/j.carbpol.2010.01.031
- 发表时间:2010-05-16
- 期刊:
- 影响因子:11.2
- 作者:Han, Shuqin;Yoshida, Dai;Yoshida, Takashi
- 通讯作者:Yoshida, Takashi
Elucidation of high ring‐opening polymerizability of methylated 1,6‐anhydro glucose
甲基化1,6-脱水葡萄糖的高开环聚合性的阐明
- DOI:10.1002/pola.23178
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:Dai Yoshida;Takashi Yoshida
- 通讯作者:Takashi Yoshida
Effects of Lacquer Polysaccharides, Glycoproteins and Isoenzymes on the Activity of Free and Immobilized Laccase fromRhus vernicifera
漆多糖、糖蛋白和同工酶对漆树游离漆酶和固定化漆酶活性的影响
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:Y. Wan;R. Lu;K. Akiyama;K. Okamoto;T. Honda;Y. Du;T. Yoshida;T. Miyakoshi;C. J. Knill;J. F. Kennedy
- 通讯作者:J. F. Kennedy
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