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高效液相色谱法测定猪粪便细菌群作用下L-色氨酸体外代谢产物 被引量:5

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摘要 运用高效液相色谱法,通过对流动相组成、梯度、检测器波长、进样量等检测条件的对比,建立同时测定L-色氨酸体外代谢体系中L-色氨酸、吲哚-3-乙酸、粪臭素和吲哚含量的理想检测条件为乙腈和水作为流动相,梯度洗脱,流速1mL/min,柱温30℃,进样量15μL,荧光检测器激发波长为280nm,发射波长为360nm。L-色氨酸、吲哚-3-乙酸、粪臭素和吲哚的线性范围分别为2.15~137.29、1.15~73.386、1.2~76.68、1.57~100.3μmol/L,具有良好的相关性,相关系数R2为0.9970~0.9999,方法的平均回收率在85.28%~102.38%之间,日内和日间精密度均不超过6.9%。该方法简单、快速、准确、灵敏度高且重现性好,适用于猪粪便菌群作用下L-色氨酸体外代谢产物含量的测定。
出处 《中国畜牧杂志》 CAS 北大核心 2008年第7期45-48,共4页 Chinese Journal of Animal Science
基金 国家973项目(2004CB117506)
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参考文献8

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引证文献5

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