超声辅助提取迷迭香抗氧化剂工艺优化及抗氧化活性研究Optimization of Ultrasonic-Assisted Extraction Technology of Antioxidants from Rosmarinus officinalis and Their Antioxidant Activity
邓慧,王莹,曾祥辉,王瑛,杨梦男
摘要(Abstract):
采用超声波辅助法,对迷迭香脂溶性、水溶性抗氧化剂进行提取;通过单因素试验和响应面试验,得出迷迭香脂溶性、水溶性抗氧化剂的最佳提取工艺。对其DPPH、ABTS~+自由基清除能力和还原力进行分析研究。结果表明,迷迭香脂溶性抗氧化成分的最优工艺为乙醇浓度61%、料液比1∶32、提取时间51 min、提取温度49℃,在此条件下得率为5.401%。水溶性抗氧化成分的最优工艺为乙醇浓度42%、料液比1∶30、提取时间52 min、提取温度60℃,在此条件下得率为0.755%;此外,迷迭香脂溶性、水溶性提取物均具有较好的抗氧化活性。
关键词(KeyWords): 迷迭香;超声辅助;响应面优化;抗氧化活性
基金项目(Foundation): 2022年湖南省自然科学基金(2022JJ50212);; 邵阳市指导性科技计划项目(2020GZ87);; 邵阳学院研究生科研创新项目(CX2020SY038)
作者(Author): 邓慧,王莹,曾祥辉,王瑛,杨梦男
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