| 双波长差值法测定饲料原料中的木聚糖含量 |
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| 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 |
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| 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 |
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| 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 |
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| 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。
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| 关 键 词： | 木聚糖 双波长差值法 饲料原料 |
| 收稿时间： | 2008-01-10 |
| 修稿时间： | 2008-03-10 |
Determining Content of Xylan in the Feed Raw Material by the Dual-Wave Length Spectrophotometry Method |
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| 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 |
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| Authors: | FAN Shi-ming GAO Yu-peng WANG Wen-jie MU Shu-qin LI Jun-feng WANG Zhi-ying GUO Jia ZHANG Hai-bo |
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| Affiliation: | 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 |
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| Abstract: | |
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| Keywords: | Xylan Dual-wave length spectrophotometry Feed raw material |
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