银杏叶黄酮的闪式提取工艺优化及抗氧化活性分析
Academic Periodical of Farm Products Processing(2021)
Abstract
以银杏叶黄酮提取率为指标,采用正交试验设计优化银杏叶黄酮的闪式提取工艺.结果表明,闪式提取银杏叶黄酮的最佳工艺条件为料液比1:15(g:mL),乙醇体积分数70%,提取时间40 s,在此提取条件组合下所得银杏叶黄酮的提取率最高为3.99%.体外抗氧化试验结果显示,此法提取的银杏叶黄酮具有较强的清除DPPH自由基和ABTS自由基的活性.试验结果可为银杏叶黄酮的高效提取提供理论依据.
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