小麦面粉中阿拉伯木聚糖酶解性质的研究(I)——水溶性阿拉伯木聚糖的酶解

被引：17

作者：

周素梅

王璋

许时婴

机构：

[1] 无锡轻工大学食品学院!无锡

来源：

中国粮油学报 | 2000年 / 03期

关键词：

阿拉伯木聚糖; WEAX; 木聚糖酶; 凝胶过滤色谱;

D O I：

暂无

中图分类号：

TS211.2 [原粮特性与分级];

学科分类号：

摘要：

用水作溶剂从“特一粉”中提取水溶性阿拉伯木聚糖 (WEAX)进行酶解试验 :在较高的木聚糖酶水平下酶解 2h(酶底物为 1.0× 10 - 3) ,WEAX被显著降解 ,粘度下降 80 % ;低的酶用量条件下 (酶底物为 0 .1× 10 - 3)降解速率明显降低 ,延长作用时间至 4h ,粘度仅下降 45 %。由WEAX及其酶解产物的凝胶过滤图谱可知 :WEAX具有多分散性 ,分子量分布范围从几万到几十万 ;WEAX中有一部分蛋白质是和多糖结合在一起的 ,较纯的WEAX更难被酶降解

引用

页码：13 / 17

页数：5

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