木聚糖

随着木聚糖含量的增加，除P外饲粮养分真利用率降低。

With the increase of the xylan contents in broiler diets , the true availabilities of nutrients except P decreased .

次级细胞壁主要含有木聚糖、extensin以及未甲酯化和乙酰化的HG型果胶。

Secondary cell wall is mainly composed of xylan , extensin and high-acetylated HG .

而饲粮木聚糖水平对饲粮养分消化率无显著影响（P0.05）。

However , dietary xylan levels did not significantly affect nutrient digestibility ( P0.05 ) .

而饲粮木聚糖水平对仔猪生长性能和腹泻指数均无显著影响（P0.05）。

However , dietary xylan levels did not significantly affect growth performance and diarrhea index of piglets .

采用3，5&二硝基水杨酸法（DNS法）来测定酶活和木聚糖含量。

It determined enzyme activity and sugar content through DNS method .

用RuO2-Ti网作为阳极，Ti网为阴极对木聚糖超滤脱盐废水进行电氧化反应。

Electrochemical method treatment of desalting effluent from xylan ultrafiltration was studied with RuO_2-Ti anode and Ti cathode .

麦草浆木聚糖酶预处理HD漂白研究

The study of xylanase pretreatment on HD bleaching of wheat straw pulp

以木聚糖酶基因为研究对象，构建了枯草芽胞杆菌（Bacillussubtilis）稳定的高效表达系统。

A stable and high-effective expression system was constructed in Bacillus subtilis with xylanase gene .

碱提取稻壳中木聚糖的方法为：预处理：80℃水浸泡3h；

The conditions of alkaline extraction were : pretreatment : water immersed for 3 h at 80 ℃;

木聚糖酶原酶与纤维素酶原酶组成的混合酶、木聚糖酶原酶与纤维素酶B组分组成的混合酶、木聚糖酶原酶与纤维素酶C组分组成的混合酶对纸浆纤维的损伤程度几乎相同。

The damage of pulp fibers by the enzyme mixture of crude xylanase and B or C fractions of cellulase was as same degree as that by the enzyme mixture of crude xylanase and crude cellulase .

饲粮木聚糖含量每增加1个百分点，DM、CP、能量的真利用率分别下降1.84、3.12、2.09个百分点。

When dietary xylan content increased 1 percentage , the true availabilities of DM , CP and energy decreased by 1.84 , 3.12 , 2.09 percentage respectively .

半纤维素是仅次于纤维素含量第二丰富的可利用自然资源，其主要成分是木聚糖（xylan）。

Second only to cellulose in natural abundance , xylan is a major component of hemicellulose fraction of the plant cell walls .

其原因是黏性谷物中含有大量的抗营养成分-非淀粉多糖（non-starchpolysaccharides，NSP）（如葡聚糖、阿拉伯木聚糖等）。

Because there is a great deal of anti-nutrition ingredients in it , namely non-starch polysaccharides , including hyskon , araboxylan and so on .

打浆对NaOH-AQ麦草浆木聚糖酶助漂效率影响的初步研究

The Effect of Refining Treatment on xylanase Prebleaching Efficiency to Wheat Straw NaoH-AQ Pulp

采用富集培养、透明圈平板筛选，从长期在其上堆放秸秆的土壤中分离到一株木聚糖酶产生菌黑曲霉C2。

By enriching culture , hydrolysis ring , a xylanase producing strain , Aspergillus niger C2 was screened from the soil on which crop straw was put around year .

纤维素、木聚糖复合水解酶的诱导合成研究表明：碳源和氮源种类、浓度及碳氮比、培养温度、pH等因素对纤维素酶和木聚糖酶的合成都有一定的影响。

The result of cellulase and xylanase synthesis shows that the kind and concentration of carbon source , the kind of nitrogen source , and the C / N , the initial pH value , the culture temperature , etc all have some effects .

研究了蔗渣浆木聚糖酶促漂白中酶处理条件和漂白工艺对漂白废水可吸附有机卤化物（AOX）发生量的影响。

The effect of xylanase pretreatment conditions and bleaching technologies on production of AOX in bagasse kraft pulp bleaching effluent was studied .

阿拉伯木聚糖（AX）对面包面团及面包烘焙品质起着重要作用，吸引了许多谷物专家对小麦中的AX进行广泛的研究。

Arabinoxylans ( AX ) played an important role in bread dough and bread baking quality , which attracted many experts in wheat grain to research AX in a wide range .

ACA微囊化酵母细胞利用酒糟水解液发酵生产木糖醇的研究上清液经木聚糖酶酶解后，低聚木糖的含量可达到上清液总糖的84.93%。

Study on Xylitol Production of Wine Lees Hydrolysate by Microencapsulated Candida Tropicalis Cells ; After enzymatic hydrolysis , the yield of XOS could be up to 84.93 % of total carbohydrates of the supernatant .

TM76发酵过程中所产木聚糖酶有两个生产高峰，第7d，有最大木聚糖酶活力470.5U/mL。

There were two peaks of enzyme production during fermentation . The highest xylanase activity 470.5U/mL was obtained after cultured for 7 days .

面筋蛋白、阿拉伯木聚糖（Arabinoxylan，AX）及它们之间的相互作用对全麦面团的流变性质和全麦面包品质有很大影响。

Gluten protein , arabinoxylan ( AX ) and their interactions have great influence on rheological properties of the whole meal dough and quality of the whole meal bread .

低聚木糖（XOs）薄层层析显示，苹果木聚糖经酶解的主要产物是X2、X3，且X3的含量大于X2的含量。

Thin-layer chromatography ( TLC ) of XOs showed that the main enzymatic hydrolyzate of apple xylan were X3 and X2 , and the content of the X3 was large than X2 .

本文采用小振幅振荡流变测量法对小麦面粉中水可提取阿拉伯木聚糖（WEAX）的氧化胶凝性质进行了研究。

The oxidative gelation properties of water-extractable arabinoxylans ( WEAX ) from wheat flour was investigated by small amplitude oscillatory rheological measurement .

而以上5种一价阴离子对EGX的木聚糖水解活性即内切-β-1,4-木聚糖酶活性没有显著影响。

On the xylan hydrolytic activity ( endo - β - 1 , 4-xylanase activity ), the five monovalent anions have no effect .

由加酶后面团中水可提取阿拉伯木聚糖（WEAX）的组成和结构的变化知，两种氧化酶所作用的WEAX在结构上有一定差别；

From the changes of the composition and structure of water extractable arabinoxylans ( WEAX ) after enzymatic treatment , it was found that WEAX as substrates for these two enzymes differed in structure ;

最优反应条件为180℃预处理30min，残余木聚糖的42.54%被有效降解，上清液中低聚木糖（XOS）的含量占上清液总糖的32.13%。

Under the optimal condition of pretreatment for 30 min at 180 ℃,( 42.54 % ) of xylan residues could be decomposed efficiently and the yield of xylooligosaccharides ( XOS ) was 32.13 % of the total carbohydrates of the supernatant .

麦草生物化机浆木聚糖酶预处理和醋酸酐活化处理的适宜条件分别为木聚糖酶用量12IU/g绝干浆、120min和在H2O2漂白150min时加入5%醋酸酐处理10min。

The suitable conditions of xylanase pretreatment and acetic anhydride activation were xylanase dosage 12 IU / g oven dry wheat straw , 48 ℃, 120 min , pH 4.8 and 5 % acetic anhydride , 10 min. The acetic anhydride was added when peroxide bleaching proceeded 150 min.

玉米秸秆在1.6～2.0MPa条件下蒸汽爆破预处理，在提高玉米秸秆对纤维素酶可及度的同时，玉米秸秆中纤维素、木聚糖和木质素损失分别为4.08%、40.02%和9.91%。

The cellulose accessibility to cellulase was improved when the corn stalk was pretreated under 1.6 ~ 2.0 MPa for 10 ~ 15 min , meanwhile the loss of cellulose , xylan and lignin were 4.08 % , 40.02 % and 9.91 % , respectively .

在此条件下，测得木聚糖提取率为28.1%。

By using it , the extraction rate was 28.1 % .

提纯木聚糖碱抽提液的超滤模式

The Ultrafiltration Operation Modes for Purification of the Alkaline Xylan Solution