甘肅農(nóng)業(yè)大學(xué)2014屆應(yīng)用化學(xué)專業(yè)本科畢業(yè)論文

1、甘肅農(nóng)業(yè)大學(xué)2014屆應(yīng)用化學(xué)專業(yè)本科畢業(yè)論文0目錄摘要.............................................................................................................................................1關(guān)鍵詞...............................................

2、..........................................................................................1Abstract.........................................................................................................................

3、..............2Keywds...................................................................................................................................21前言................................................................

4、.........................................................................31.1蒼耳及其研究進展..............................................................................................................31.2蒼耳中活性成分研究............

5、..............................................................................................31.2.1水溶性苷類...................................................................................................................

6、....31.2.2倍半萜內(nèi)酯類...................................................................................................................31.2.3揮發(fā)油類...............................................................................

7、............................................41.2.4脂肪油類...........................................................................................................................41.2.5其他成分.................................

8、..........................................................................................42材料與方法...........................................................................................................................

9、..42.1材料和儀器..........................................................................................................................42.1.1材料和試劑............................................................................

10、...........................................42.1.2儀器...................................................................................................................................42.2試驗方法..............................

11、................................................................................................52.2.1蒼耳中化學(xué)成分的提取與分離流程圖...........................................................................52.2.295%乙醇冷浸法提取蒼耳中化學(xué)成分....

12、........................................................................52.2.3水蒸氣蒸餾提取蒼耳中的揮發(fā)油...................................................................................62.2.4丙酮索式提取法提取蒼耳中的脂肪油.......................

13、....................................................62.3蒼耳中丙酮提取物的分離研究與成分分析......................................................................62.3.1丙酮提取物的薄層色譜鑒定分離法.......................................................

14、........................62.3.2丙酮提取物的成分分析...................................................................................................73結(jié)果與分析..........................................................................

15、...................................................73.1不同提取方法對蒼耳化學(xué)成分提取率的影響..................................................................73.2丙酮索式提取法不同提取時間對蒼耳化學(xué)成分提取率的影響......................................83.3丙酮提取物的薄層

16、色譜法..................................................................................................83.4丙酮提取物的GC—MS成分分析....................................................................................93.4.1GC—MS分析(蒼耳

17、提取物的總離子流圖)....................................................................93.4.2GC—MS化學(xué)成分分析.................................................................................................104結(jié)論和展望....................

18、.......................................................................................................114.1結(jié)論..............................................................................................................

19、......................114.2展望....................................................................................................................................11參考文獻.....................................................

20、..............................................................................11致謝..........................................................................................................................................

21、.12甘肅農(nóng)業(yè)大學(xué)2014屆應(yīng)用化學(xué)專業(yè)本科畢業(yè)論文2ExtractionseparationofchemicalconstituentsinXanthiuminGansuAbstract:Inthisexperiment95%ethanolacetonesoakingSoxhletextractionsteamdistillationmethodwasusedintheextractionseparationoftheeffectiv

22、ecomponentsinXanthiumpowder.Threemethodsofextractionofacetonetypeisbettertheresultshowedthatwasmaximumone:12%.ThenwemakeaGCMSanalysisonthefiltedfattyoilabstractedfromXanthiumpowdertheconsequentoftheanalysisisthemostabund