不同蔬菜品种的木聚糖含量分析  

Analysis on Xylan Content in Different Vegetable Varieties

作　　者：覃香香[1] 周玉恒[1] 蔡爱华[1] 陈海珊[1] 黄修富 陈建军 QIN Xiang-xiang;ZHOU Yu-heng;CAI Ai-hua;CHEN Hai-shan;HUANG Xiu-fu;CHEN Jian-jun(Guangxi Institute of Botany,Guilin 541006,China;Guilin University of Technology,Guilin 541006,China;Guilin Xianyuan Biotechnology Limited Company,Guilin 541006,China)

机构地区：[1]广西壮族自治区中国科学院广西植物研究所,广西桂林541006 [2]桂林理工大学,广西桂林541006 [3]桂林纤元生物技术有限公司,广西桂林541006

出　　处：《中国食物与营养》2019年第2期15-18,50,共5页Food and Nutrition in China

基　　金：广西功能物质研究与利用重点实验室主任基金(项目编号:ZRJJ2016-18;ZRJJ2017-6);广西植物研究所基本业务费项目(项目编号:桂植业18012);广西自然科学基金项目(项目编号:2017GXNSFAA198009)

摘　　要：目的:测定不同蔬菜品种的木聚糖含量,分析不同蔬菜品种木聚糖含量的差异,为蔬菜高值化加工及人们对蔬菜木聚糖膳食纤维精准补充提供科学依据。方法:以南方常见41个蔬菜品种为研究对象,采用稀酸水解、高效液相色谱法测定蔬菜木聚糖的含量。结果:不同蔬菜品种木聚糖的含量差异显著,41种蔬菜品种中,每100g新鲜原料木聚糖含量排名前3的分别是豌豆(2. 37g)、蚕豆(2. 19g)、甜玉米(1. 86g),其他蔬菜品种木聚糖含量均小于1. 6g。根据食用器官蔬菜木聚糖含量平均值排序:花菜类>果菜类>茎菜类>食用菌类>根菜类>叶菜类。结论:补充蔬菜木聚糖膳食纤维,优选果菜类中的豆类。[Objective]To determine and compare the contents of xylan in different varieties of vegetables,to provide scientific basis for the high value processing of vegetables and the precise supplement of dietary fiber in the xylan of vegetables.[Method]We took 41 common varieties of vegetable in the south as the research objects,which were hydrolyzed by dilute sulfuric acid,and xylose in vegetable hydrolysates was measured by HPLC.[Result]There was significant differences in the xylan content in different varieties of vegetables.Among the 41 varieties of vegetables,the xylan content of vegetables in the per 100g,the xylan content in No.1 was the pea seed,which was 2.37g.The second was the row bean,its xylan content was 2.19g.The three was the sweet corn in 1.86g,and the other vegetable varieties was less than 1.60g.According to the average value of xylan content in different vegetable types,sorting the average xylan content in different vegetable types were cauliflower,fruits vegetables,stem vegetables,edible fungi,royal vegetables,leaf vegetables as follows.[Conclusion]In order to supplement more xylan dietary fiber of vegetable,the best choice was beans in fruits vegetables.

关 键 词：蔬菜 膳食纤维 木聚糖 高效液相色谱法 

分 类 号：TS255.7[轻工技术与工程—农产品加工及贮藏工程]