不同处理的精制玉米麸皮单糖组分及阿魏酸含量分析

食品科学 ›› 2012, Vol. 33 ›› Issue (14): 121-124.

不同处理的精制玉米麸皮单糖组分及阿魏酸含量分析

李勤勤，耿欣*

青岛农业大学食品科学与工程学院

收稿日期:2012-03-27 修回日期:2012-06-14 出版日期:2012-07-25 发布日期:2012-07-27
通讯作者: 耿欣 E-mail:gengxin22@hotmail.com
基金资助:
玉米麸皮阿魏酸糖酯的抗衰老作用及其机制研究;玉米麸皮阿魏酰低聚糖的抗衰老作用及对抗衰老基因表达影响的研究

Analysis of Monosaccharide Composition and Ferulic Acid Content in Corn Bran Subjected to Different Treatments

xin geng,

Received:2012-03-27 Revised:2012-06-14 Online:2012-07-25 Published:2012-07-27
Contact: xin geng E-mail:gengxin22@hotmail.com

摘要/Abstract

摘要： 对去除淀粉和蛋白质的精制玉米麸皮进行酸碱处理，得到酸解产物和碱解产物，用高效液相色谱对精制玉米麸皮、酸解产物及碱解产物的单糖组成及阿魏酸进行分析。结果显示：酸解产物含有44.5%的木糖、20.8%的阿拉伯糖和4.57%的阿魏酸，推测其主要成分是阿魏酸阿拉伯木聚糖；碱解产物含有50.3%的木糖、24.5%的阿拉伯糖，阿魏酸基本未检出，推测其主要成分是阿拉伯木聚糖；玉米麸皮含有3.5%的阿魏酸。

关键词: 精制玉米麸皮, 酸解产物, 碱解产物, 单糖, 阿魏酸

Abstract: Refined corn bran (RCB) obtained by removing starch and protein was treated with acid or alkali to obtain acid hydrolysate (HAC) and alkaline hydrolysate (HAL). The monosaccharide composition and ferulic acid content of RCB, HAC and HAL were analyzed by HPLC. The results showed that the major components of HAC were feruloylated arabinoxylan, containing 44.5% of xylose, 20.8% of arabinose and 4.5% of ferulic acid. HAL was mainly arabinoxylan, containing of 50.3% xylose, 24.5% of arabinose and trace amount of ferulic acid. RCB contained 3.5% of ferulic acid.

Key words: refined corn bran, acid hydrolysate, alkaline hydrolysate, monosaccharide, ferulic acid

中图分类号:

TS213

李勤勤，耿欣*. 不同处理的精制玉米麸皮单糖组分及阿魏酸含量分析[J]. 食品科学, 2012, 33(14): 121-124.

xin geng. Analysis of Monosaccharide Composition and Ferulic Acid Content in Corn Bran Subjected to Different Treatments[J]. FOOD SCIENCE, 2012, 33(14): 121-124.

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