畢節(jié)學(xué)院應(yīng)用化學(xué)專業(yè)本科論文設(shè)計（設(shè)計）

1、目錄摘要:.......................................................................................................................iAbstract:......................................................................................

2、.........................ii引言.......................................................................................................................11.文獻(xiàn)綜述.................................................................

3、.........................................11.1銀杏的人文價值...............................................................................................11.2銀杏的食療價值..............................................................

4、.................................21.3黃酮類化合物的提取與檢測方法......................................................................32.論文的設(shè)計與方案........................................................................................

5、..42.1設(shè)計思路........................................................................................................................42.2實(shí)驗(yàn)方案..................................................................................

6、.....................................42.2.1基本流程..............................................................................................42.2.2實(shí)驗(yàn)主要探究因素.................................................................

7、...............43.實(shí)驗(yàn)部分..........................................................................................................53.1儀器和試劑...................................................................................

8、...................53.1.1主要儀器..............................................................................................53.1.2主要試劑.......................................................................................

9、.......53.2標(biāo)準(zhǔn)曲線的繪制...............................................................................................63.3黃酮含測定量.................................................................................................

10、.63.4黃酮提取實(shí)驗(yàn)探究...........................................................................................73.4.1乙醇體積分?jǐn)?shù)的選擇.............................................................................73.4.2固液比的選擇............

11、...........................................................................73.4.3提取時間的選擇...................................................................................83.5結(jié)果與討論........................................

12、..............................................................83.5.1實(shí)驗(yàn)結(jié)果..............................................................................................83.5.2討論..............................................

13、.......................................................94.結(jié)論..................................................................................................................9參考文獻(xiàn)參考文獻(xiàn).....................................

14、........................................................................10致謝致謝.....................................................................................................................12畢節(jié)學(xué)院本科畢業(yè)論文（設(shè)計）Extractio

15、nDeterminationonFlavanoidinLeavesofGinhgobilobaLAbstract:Flavonoidsnotonlyhavehighlymedicinalvaluebutalsowidelyuseinthefieldoffoodadditivescosmeticsectsetcthistopictreatedginkgoleavesasrawmaterialputtheethanolasextractio

16、nsolventextractedtheflavonoidofginkgobilobawiththemethodofsoxhletextractionanalyzedthecontentbyfluescencespectrophotometry.Itinspectstheconcentrationofethanolsolidliquidratiorefluxtimesinglefacttestthebestconditionofextr