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响应面法优化紫薯中花色苷的提取工艺

Lei QIAN,De-cai REN,Tao JIANG,Xue XIN,Shu-min HU,Ting LIU

China Condiment（2018）

Cited 2|Views5
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Abstract
以紫薯为原料,应用溶剂浸提法提取紫薯中的花色苷.选择提取温度、料液比、提取时间、乙醇浓度为影响因素,以提取液中花色苷含量为响应指标,通过响应面分析法优化紫薯花色苷的提取条件.各因素对花色苷含量的影响大小为:料液比>提取时间>提取温度>乙醇浓度,得到的最佳提取工艺条件为提取时间98.4 min,提取温度58.7℃,料液比1:21,乙醇浓度59.7％.利用此工艺参数得到的花色苷含量为1.3392 mg/g.
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