响应面法优化超声辅助提取普洱茶中类胡萝卜素工艺研究Optimization of ultrasonic-assisted extraction of Pu'er tea carotenoids via response surface methodology
翟婷婷,王海媛,刘静,于晓倩,晋兴华
摘要(Abstract)：
研究云南普洱茶中类胡萝卜素的提取工艺。采用超声辅助提取的方法,在研究料液比、提取时间、超声时间及提取温度等单因素实验基础上,采用响应面法分析确定普洱茶中类胡萝卜素的最优提取工艺。结果表明,最优的提取工艺是超声时间为120 s,静置提取时间为32.6 min,提取温度为51.4℃。在此条件下,普洱茶中类胡萝卜素的提取液吸光度可达到理论预测值的98.8%。
关键词(KeyWords)： 普洱茶;类胡萝卜素;超声辅助;响应面分析
基金项目(Foundation):
作者(Author): 翟婷婷,王海媛,刘静,于晓倩,晋兴华
DOI: 10.16581/j.cnki.issn1671-3206.2013.09.035
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