发酵液中3-甲硫基丙醇及其衍生香料的HPLC同步检测方法的研究

被引:4
作者
侯晟
王成涛
曹雁平
孙宝国
耿菲
机构
[1] 北京工商大学化学与环境工程学院食品添加剂与配料北京高校工程研究中心
关键词
3-甲硫基丙醇; 3-甲硫基丙酸甲酯; 3-甲硫基丙酸乙酯; L-蛋氨酸; 高效液相色谱(HPLC);
D O I
10.13386/j.issn1002-0306.2011.08.110
中图分类号
TS207.3 [食品分析与检验];
学科分类号
083201 ;
摘要
建立了3-甲硫基丙醇及其衍生香料、底物氨基酸的HPLC同步检测方法,为3-甲硫基丙醇及其衍生香料的微生物筛选、转化制备提供基础。优化出的HPLC同步检测条件为:色谱柱SunFireTMC18、光电二极管阵列检测器、不同配比的水/乙腈梯度洗脱、流速1mL/min;柱温30℃;检测波长210nm,在此条件下,3-甲硫基丙醇、3-甲硫基丙酸乙酯、3-甲硫基丙酸甲酯、L-蛋氨酸有较好的分离峰,重复性RSD分别为3.7%、1.8%、3.9%和3.9%,3-甲硫基丙醇的回收率在94.3%~101.4%,L-蛋氨酸的回收率在102.2%~105.5%。该方法稳定性好,准确度较高,适合用于快速检测发酵液中3-甲硫基丙醇及其衍生香料和底物。
引用
收藏
页码:384 / 386+391 +391
页数:4
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