黑曲霉產(chǎn)檸檬酸效率之研究.pdf

1、南昌大學(xué)碩士學(xué)位論文黑曲霉產(chǎn)檸檬酸效率之研究姓名：熊俊君申請學(xué)位級別：碩士專業(yè)：微生物學(xué)指導(dǎo)教師：毛慧玲20121219ABSTRACTABSTRACTThisthesisisastudyofAspergillusIligerinsweetpotatopowderasrawmaterial，fementationmediuIll，fememation，toproducecitricacidaIldscreemngofthes仃ainpr

2、oducingacidselectionofbestcondition，firsttothelabexperimentals仃ainsweres印aratedandpurified，inclinedplaneseedculnlre，branexpandingcunllre，fmallyinordertopotatopowderasrawmaterialt11efementationmediumforfementation，byspeci

3、母ingt11edetectionmethodtoproducecitricaCidcontentdetennination，totestt11roughscreeninga11dnewstrainsoftlleacidproducingability，choosetheacidproducingabili夠ofrelativelylli曲s仃ain，a11dthentheselecteds仃ainsbasis，reDeattheabo

4、Veoperation，t11uspickst11eproductionabilityofacidmela唱eststrainsThesecondpartoftheexperimentistoprocesssomefementationconditionsforacidcontrol，forex鋤ple，temperanlre，time，pHValue，oxygen，a11dmedataa11alysisarediscussedandt

5、heoptimumreactionconditionsTheexpedmemalresultsshowthatintllesecondbreedings仃ainsacidproductionc印aci夠thanthefirstbreedingtoimprove7588％t11emostsuitableconditionsshouldbefenllentationsolutionpHbetween2025，temperatureof36，