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环境化学  2015 

土壤中内醚糖超声提取和加速溶剂萃取效率的比较研究及应用

Keywords: 内醚糖,超声提取,加速溶剂萃取,GC/MS

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Abstract:

对比研究了不同提取溶剂和不同的提取方法(超声波提取和加速溶剂萃取(ASE))应用于土壤内醚糖(1,6-脱水-β-D-吡喃葡萄糖)提取的提取效率,并通过单因素优化实验建立了土壤内醚糖的高效、稳定的提取方法.实验结果表明,ASE内醚糖提取方法具有更高、更稳定的回收效率.利用甲醇作为提取溶剂,ASE提取方法得到了99%的内醚糖回收率.应用建立的ASE提取方法,检测了受森林火灾影响的土壤样品中内醚糖含量,验证了本提取方法应用的可靠性.

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