柱吸附法和SDE法提取茶叶香气的研究

被引：46

作者：

李拥军

施兆鹏

机构：

[1] 湖南农业大学食品科学技术学院!湖南长沙

来源：

湖南农业大学学报(自然科学版) | 2001年 / 04期

关键词：

柱吸附法; 水蒸汽蒸馏同时萃取法; 茶叶香气; 气相色谱;

D O I：

10.13331/j.cnki.jhau.2001.04.014

中图分类号：

TS272 [茶];

学科分类号：

090203 ;

摘要：

为探求茶叶香气提取的最佳方法及条件 ,对 4种树脂进行了对比试验 ,筛选出 XAD- 2树脂作为柱吸附法的吸附剂 .采用 GC和 GC- MS对柱吸附法和水蒸汽蒸馏同时萃取法 (SDE法 )制备的香精油进行了定性和定量分析 ,SDE法与柱吸附法得到的香精油总量分别为 87.93,2 6 .6 2 ,醇类、醛类、酮类、酯类、含氮化合物等的含量 ,SDE法是柱吸附法的 3.7,4.0 ,3.0 ,4.5和 5 .2倍 .SDE法可得到大量的吡咯、吡嗪类化合物 .SDE法在香气提取过程中产生一些化合物的合成与降解反应 ,而柱吸附法的次生反应较少 .

引用

页码：295 / 299

页数：5

共 8 条

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