半纤维素酶

青霉菌m8产半纤维素酶条件及酶性质研究

Study on the Culture Conditions and Character of Hemicellulase in Penicillium sp . m8

半纤维素酶在制浆造纸工业的应用研究进展

Progress of Researches and Applications of Hemicellulase in the Pulp and Paper Industry

多酚氧化酶、纤维素酶和半纤维素酶的分泌要求较高的C／N，在40∶1左右有高分泌活性。

While catechol oxidase , CMCase and hemicellulase needed higher C / N. Their activity were higher at 40:1 or so .

半纤维素酶和木素酶用于KP浆漂白的探索

Bleaching of Kraft Pulps with Hemicellulose and Ligninase

实验分析了堆肥过程中有机质、pH值、水溶性有机碳、微生物种群密度、半纤维素酶活、羧甲基纤维素酶活、半纤维素和纤维素含量等指标随时间的变化特征。

Changes were studied including pH , organic matter , dissolved organic carbon ( DOC ), the biomass of microorganism , hemicellulase activity , carboxymethyl cellulose enzyme ( CMCase ) activity , hemi-cellulose and cellulose contents .

通常敲除或突变cre基因后会导致酶基因在葡萄糖存在时的去阻遏或部分去阻遏。同时，突变株的半纤维素酶基因的表达量也会提高。

Usually the mutant hemicellulase gene expression levels could be increased by knockout or mutation of the cre gene .

测定半纤维素酶活力，B6在半纤维素培养基和苎麻培养基中培养一天后的活力分别为105U／ml和90U／ml；

After B6 was cultivated in hemicellulose or ramie nutrition mediums for one day , the hemicellulose 's activity were 105 U / ml and 90 U / ml respectively .

纤维堆囊菌能够在以纤维素为唯一碳源的简单无机盐培养基（如CNST培养基）上生长，可产生多种纤维素和半纤维素酶类。

Sorangium strains can grow on simple inorganic salt medium ( e.g. CNST medium ) with cellulose as the only carbon source by producing cellulases and hemicellulases .

结果表明，加入2.8mg复合酶（纤维素酶、半纤维素酶的比例为13：7），45℃作用时间2.5h，大蒜油的提取率为0.251%，高于其它条件下大蒜素的提取率，结果令人满意。

The results indicated that 0.251 % of allicin oil is obtained when 2.8 mg of cellulose enzyme and hemicellulose enzyme in a ratio of 13:7 are employed at 45 ℃ for 2.5h reaction time . The resultant extraction ratio is higher than that without any enzyme .

纤维素酶半纤维素酶的应用及分子相关性

Application of Cellulase and Hemicellulase and Their Relativity in Molecular Structure

半纤维素酶水解物木糖醇发酵酵母菌的筛选

Screening of yeast strains for xylitol production on hemicellulose enzymatic hydrolysate

淀粉酶和半纤维素酶改性二次纤维的对比分析

A contrastive analysis on the modified secondary stock of amylase and hemicellulase

应用纤维素酶、半纤维素酶和果胶酶水解蔗渣。

Commercial cellulase , hemicellulase and pectinase were applied to hydrolyze sugar cane bagasse .

纤维素酶活力高的突变菌株，其半纤维素酶同样具有很高的活力。

Mutant strains of high cellulase output had high enzyme activity of hemicellulase , too .

根据上述优化条件分离纯化得到这两种半纤维素酶。

These two kinds hemicellulase were purified according to the above culture medium composition and condition .

研究了纤维素酶、半纤维素酶、果胶酶对荔枝果肉的液化效果。

The effect of cellulase , hemicellulase and pectinase on litchi fruit pulp liquefaction was studied .

β-聚糖酶的诱导合成及玉米芯半纤维素酶水解物木糖醇发酵酵母菌的筛选

Biosynthesis of β - glycanase and Screening of Yeast for Xylitol Production from Corn-cob Hemicellulose Enzymatical Hydrolysate

纤维素酶及半纤维素酶在多种工业领域，包括在饲料工业中都具有巨大的应用价值。

Cellulases and hemicellulases have great potential for application in various industries , including the feed industry .

结果表明：果胶酶和半纤维素酶对卡拉胶具有较强的降解作用；

The results showed that pectinase and hemicellulase had a strong degrading effect on κ - carrangeenan ;

半纤维素酶的分子生物学

Molecular biology of hemicellulases

血浆促凝血酶原激酶前体漆酶与半纤维素酶用于旧报纸浆脱墨

Plasma throml oplastin antecedant ( PTA ) Enzymatic Deinking of Old Newsprint by Hemicellulase Combined with Laccase-Mediator System

该菌株的构建有利于阐明半纤维素酶和纤维素酶基因表达之间的相互影响，并进一步了解其作用机制。

This strain may be helpful in clarifying the interaction mechanism between the expression of hemicellulase and cellulose .

通过测定脱胶过程中果胶酶、半纤维素酶活力及脱胶周期，确定脱胶的适宜条件。

By detecting the activity of pectinase and hemicellulase and the retting-period , the optimal retting-condition was determined .

研究了羧甲基纤维素酶、半纤维素酶、多酚氧化酶、愈创木酚氧化酶和漆酶的酶活性变化。

The enzymes activities of carboxymethyl cellulase , hemicellulase , polyphenol oxidase , guaiacol oxidase , and laccase were studied .

结果表明：液体纤维素酶最大活力出现在10%麸皮含量的固体培养基中，随着麸皮含量的增加，纤维素酶活逐渐减少，4种辅助酶中，半纤维素酶活力逐渐降低。

The maximum activity of liquid cellulase can be obtained from the solid culture medium which contains 10 % wheat bran .

结果表明：随着纤维素酶和半纤维素酶用量的增加，杨木的表面自由能和胶合强度逐渐上升。

The results show that the surface free energy and gluing strength of poplar increase with the dose of cellulase and hemicellulase rising .

β-甘露聚糖酶是一种重要的半纤维素酶，可应用于食品、医药、饲料、采油等许多领域。

β - mannanase is an important hemicellulase , which may be widely used in food , medicine , feed and oil industry .

滤纸法测定饲用纤维素酶酶活的研究漆酶与半纤维素酶用于旧报纸浆脱墨

Studies on determination of feed cellulase activity by filter paper assay method Enzymatic Deinking of Old Newsprint by Hemicellulase Combined with Laccase-Mediator System

本文综述了半纤维素酶和木素降解酶应用于纸浆漂白预处理段的现状以及机理研究进展。

The article reviews current research situation and progress in biobleaching with hemicellulase , and lignin-oxidizing-enzymes such as laccase , manganese peroxidase and lignin peroxidase .

用纤维素酶和半纤维素酶的混合酶液对存放5个月的100%美国彩色胶印废报纸进行脱墨处理，获得了理想的脱墨效果。

A commercial mixed cellulase and hemicellulase solution was used to the deinking of five month old colored offset newsprint and the deinking effectiveness was perfect .