白腐菌高效降解竹材木质素的工艺条件分析

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1、重庆大学硕士学位论文英文摘要ABSTRACT“gninis0neoft11ela培estnumberofnatumlmacromolecularcompoulld，thestudyonli印illbiode伊adationshowedmatWhite-rotfIungiwasauniquekindofmicroo略anismwhiChcoulddegradedli印intoC02a11dH20inpureculture，soli印inselectiVede黟adationbywhite-rot如ngiw弱hotspotiIlbiotecllllologyresea

2、rCh．hl廿lisp印er，tllecombinationof黝口，zg，。Dc办口P纪c，z垆D雌加，．m所，Z砌聊e泐c扬万口6卵加口aJld砌加f淞傩护阳f螂wereselected嬲experimen_talmaterials，Thes01idfenIlentationSystemofbamb00subs仃蜀lteⅥrasadopted．T00btainappr叩riatewhitc-rotfImgi，megrowm觚d1i印ocellulosedegmdationof3basidiomycetes0nbamb00subs衄teweredetected．

3、Theresultsindicatedmatmecombinationofme廿lreespeciesofwhite-rot丘mgihads仃ongabil时ofselectiVedeligllijcication．Thee任．ectofdi任-erentculturcconditions@mperatu他，pHvalue，percentagesofqualityofculturemediumandbamboo)andVariousadditiVes(hydrogenperoxide，benzylalcoh01)0nli印inde伊adationw舔s饥ldied

4、，耵leoptimalteclln0109icalconditionsofbambooli印inde铲adationbywhite．rot劬gie伍cientlywerediscussed．TheinfluencesofdifI’erentculnlreconditionsonlignindegradationandselectiV时coe伍cientdi疵reda10t．White-rotflmgi、№re诧mentedinb锄boomediumfor30daysunderdifrerentculturctemperatures(24℃，27℃，30℃，33℃)

5、，theresultsshowedthatatacultureternperatllreof30℃，MnPandLiPenzymeactiVitiesweremehighest，reached225U／Land81OU／LrespectiVely；ataculturetemperatureof33℃，LacellzymeactiVi哆wasmehighest，reached139U／L；ataculturetemperaturcof30℃，ligIlindegradationratewasthehi曲est，reached46．6％，selectiV毋coe伍ci

6、entwas4．28．TheeffectoffourdifferentpHQHValueof2．5，pHValueof3．5，pHValueof4．5，pHValueof5．5)onli印indegradatiowasstudied，t11eresultsshowedthatwhen廿leValueofpHValue吼s3．5，LacaIldLiPenzymeactivitiesweremehighest，reached150肌锄d1180U／LrespectiVely；whenmeValueofpHValuew嬲4．5，M11Pen巧meactiVit)r、Ⅳa

7、sthehighest，reached350U／L；whentllevalueofpHValuew嬲3．5，lignindegradationratewasthehighest，reached48．6％，ligninselectivit)，coemcient、张s5．46．Thee舵ctoffourdi虢rentperCentagesofqual时ofcultu】旧medi啪andbamb00onli鲫inde斟adationw船studied，meresultssho、vedtllatwhent11epercentageofqual时110％，Lac，MnPan

8、dLiPe