期刊论文

中文

食品与机械

1003-5788

2008

24

2

70-72+83

10.13652/j.issn.1003-5788.2008.02.017

湖南省自科基金项目（项目编号:06JJ50068）；

本校为第一机构

研究砂梨香气成分的SPME萃取参数,在单因素试验的基础上,选取NaCl添加量、萃取温度、样品量、萃取时间4因素的3个水平进行响应面分析,建立峰个数和峰面积的二次回归方程。当样品量为3.4g,萃取温度46℃,萃取时间45min,盐添加量11%时,峰个数达137,峰面积为5264.75。

The solid phase microextraction(SPME)parameters in odour analysis of pyrus pyrifolia were studied.On the basis of single-factors experiments,the response surface analysis of 4 factors and 3 levels was adopted.When the sample was 3.4 g,extraction temperature 46 ℃,extraction time 45 min,adding NaCl 11%,peak nu...