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论文编号:HG135 论文字数:11106,页数:28
摘 要：本研究以花生壳为原料，采用微波辅助碱法对花生壳中木犀草素进行提取，通过提取时间、NaOH浓度和液料比等单因素确定水平范围，再用响应面法对主要参数进行优化并得到回归模型，得到花生壳中木犀草素微波辅助碱法最优工艺条件为提取时间8.5min、NaOH浓度0.1mol/L、料液比1：20，此工艺条件下花生壳木犀草素得率为3.94%。采用大孔树脂对提取物进行了分离纯化，对树脂类型、纯化工艺等进行了研究，采用D101型树脂，洗脱液为、洗脱速度1ml/min、洗脱体积3BV，木犀草素收率为81.03%。
关键词：花生壳；木犀草素；提取；微波辅助碱法；响应面；大孔树脂
Abstract：Peanut hulls as raw materials produced in Shandong Province. On the base of the single factor experiments, the optimum conditions for the microwave extraction of luteolin from Peanut hulls were determined using response surface methodology（RSM）. The optimum microwave extraction conditions were：extraction time 8.5min, NaOH concentration 0.1mol / L, solid to liquid ratio 1:20.5. Under the optimum conditions, the extraction yield of luteolin from Peanut hulls was 3.91%.The macroporous adsorption resin was used to separate the luteolin. Different macroporous resin type and separation condition were studied, The resin of D101 was the best one for separation, the eluting speed was 1ml/min and the volume was 3BV, the purification yield was 81.03%.
Keywords: Peanut hull；Luteolin；Extraction；Microwave；Response surface methodology；Macroporous adsorption resin
目录
中文摘要 I
英文摘要 II
目录 III
1 绪论 1
1.1 木犀草素概述 1
2 实验部分 8
2.1 实验材料 8
2.2 实验准备 8
2.3 实验方法 10
2.4 结果与分析 10
3 结果与讨论 17
4 总结和展望 18
致 谢 19
参考文献 20
