首页 | 本学科首页   官方微博 | 高级检索  
     检索      

双波长差值法测定饲料原料中的木聚糖含量
引用本文:樊世明,高玉鹏,王文杰,穆淑琴,李军峰,王芝英,郭嘉,张海波.双波长差值法测定饲料原料中的木聚糖含量[J].西北农业学报,2008,17(3):78-80.
作者姓名:樊世明  高玉鹏  王文杰  穆淑琴  李军峰  王芝英  郭嘉  张海波
作者单位:1. 西北农林科技大学动物科技学院,陕西杨凌,712100
2. 天津市畜牧兽医研究所,天津,300112
摘    要:以D-木糖为标准物质,地衣酚-盐酸为显色剂,建立了以双波长吸光度差值测定饲料原料中木聚糖含量的方法,当反应溶液中D-木糖浓度为0~100μg/mL时,其吸光度变化符合Lambert-Beer定律,标准曲线的回归方程为y=0.0039x-0.0151(x为双波长吸光度差值),r=0.9972,结果表明,用此方法测定操作简便、回收率高、重现性好,且相对误差小;所测10种饲料原料的木聚糖含量在2.69%~16.78%之间。

关 键 词:木聚糖  双波长差值法  饲料原料
收稿时间:2008/1/10 0:00:00
修稿时间:2008/3/10 0:00:00

Determining Content of Xylan in the Feed Raw Material by the Dual-Wave Length Spectrophotometry Method
FAN Shi-ming,GAO Yu-peng,WANG Wen-jie,MU Shu-qin,LI Jun-feng,WANG Zhi-ying,GUO Jia and ZHANG Hai-bo.Determining Content of Xylan in the Feed Raw Material by the Dual-Wave Length Spectrophotometry Method[J].Acta Agriculturae Boreali-occidentalis Sinica,2008,17(3):78-80.
Authors:FAN Shi-ming  GAO Yu-peng  WANG Wen-jie  MU Shu-qin  LI Jun-feng  WANG Zhi-ying  GUO Jia and ZHANG Hai-bo
Institution:College of Animal Science and Technology, Northwest A & F University, Yangling Shaanxi 712100, China;College of Animal Science and Technology, Northwest A & F University, Yangling Shaanxi 712100, China;Institute of Animal Science and Veterinaty Medicine of Tianjin, Tianjin 300112, China;Institute of Animal Science and Veterinaty Medicine of Tianjin, Tianjin 300112, China;College of Animal Science and Technology, Northwest A & F University, Yangling Shaanxi 712100, China;Institute of Animal Science and Veterinaty Medicine of Tianjin, Tianjin 300112, China;Institute of Animal Science and Veterinaty Medicine of Tianjin, Tianjin 300112, China;Institute of Animal Science and Veterinaty Medicine of Tianjin, Tianjin 300112, China
Abstract:
Keywords:Xylan  Dual-wave length spectrophotometry  Feed raw material
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《西北农业学报》浏览原始摘要信息
点击此处可从《西北农业学报》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号