渤海大学本科毕业论文水蒸气蒸馏法提取薰衣草精油实验ExtractionofLavenderEssentialOilbySteamDistillation学院（系）：化学化工学院专业：应用化学学号：130xxxxxx学生姓名：李xxxxx入学年度：2013年指导教师：唐x完成日期：2017年05月01日渤海大学BohaiUniversity水蒸气蒸馏法提取薰衣草精油-I-摘要本文研究了利用水蒸气蒸馏法提取薰衣草精油的工艺，研究不同因素对产率的影响。薰衣草在室温下，研究液料比、蒸馏时间和浸泡时间对精油提取率变化的影响，通过分析试验来探讨最佳工艺条件。结果表明：在液料比方面，随着液料比的增加，精油提取率出现先增后减的现象。在浸泡时间和蒸馏时间方面，随时间的增加，精油提取率也出现先增后减的现象。综上所述，液料比1:16，蒸馏时间1h，浸泡时间1h为最佳条件。关键词：薰衣草；精油；水蒸汽提取水蒸气蒸馏法提取薰衣草精油-II-ExtractionofLavenderEssentialOilbySteamDistillationAbstractInthispaper,theextractionoflavenderessentialoilbysteamdistillationwasstudied,andtheeffectsofdifferentfactorsonyieldwerestudied.Theeffectsofliquidtomaterialratio,distillationtimeandsoakingtimeontheextractionrateofessentialoilwerestudiedatroomtemperature.Theoptimumconditionswerediscussedbyanalyticaltest.Theresultsshowedthattheextractionrateofessentialoilincreasedfirstandthendecreasedwiththeincreaseofliquidtoliquidratio.Inthesoakingtimeanddistillationtime,withtheincreaseoftime,theextractionrateofessentialoilalsoincreasedfirstandthendecreased.Insummary,theratioofliquidtomaterial1:16,distillationtime1h,soakingtime1histhebestcondition.Keywords：lavender；essentialoill；steamextraction水蒸气蒸馏法提取薰衣草精油-III-目录摘要.................................................................................................................IAbstract.................................................................................................................II引言...............................................................................................................11材料与仪器设备.............................................................................................41.1试验材料与试剂..................................................................................41.2试验仪器..............................................................................................42薰衣草精油的提取.........................................................................................52.1试验流程..............................................................................................52.2试验方法..............................................................................................52.3精油产率计算......................................................................................52.4结果分析方法......................................................................................52.5条件试验.............................................................................................53结果与分析.....................................................................................................63.1液料比对薰衣草精油提取率的影响..................................................63.2蒸馏时间对薰衣草精油提取率的影响..............................................73.3浸泡时间对薰衣草精油提取率的影响..............................................8结论.............................................................................................................10参考文献..................................................
