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Biotransformation optimization of swertiamarin by response surface methodology

响应面法优化獐牙菜苦苷生物转化条件



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ChineseJournalofBioprocessEngineering
Vol.8No.1
Jan.2010
doi:10.3969/j.issn.1672-3678.2010.01.006
OPQI
:2009-06-08
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Biotransformationoptimizationofswertiamarinby
responsesurfacemethodology
CHANGJun1,HUNa1,ZHANGTiejun2,LIUChangxiao2,TIANChengwang2
(1.NanchangKeyLiboratoryofNaturalProductandBioactiveMaterials,JiangxiScienceandTechnologyNormalUniversity,
Nanchang330013,China;2.TianjinInstituteofPharmaceuticalResearch,Tianjin300193,China)
Abstract:Biotransformationconditionsofswertiamarinwereoptimizedbyresponsesurfacemethodology.
ThePlacketBurmanmethodwasfirstlyusedtoscreensignificantfactorsonthebiotransformation.Cen
tralresponsesurfacemethodwasusedtoanalyzethebiotransformationandtheresponseoptimizertoolwas
usedtoestimatetheoptimalbiotransformationconditionsofswertiamarintoalkaloidanderythrocentaurin,
respectively.Finaly,theoptimalconditionswereverifiedbyfermentationtest.Theoptimalconditionfor
thealkaloidformationwas(inmg/mL):MgSO4·7H2O514,MnSO4·4H2O342,glucose995,pep
tone924,andpH580,themaximumrecoverywas1764%.Theoptimalconditionforerythrocen
taurinwas(inmg/mL):MgSO4·7H2O409,MnSO4·4H2O607,glucose737,peptone737,and
pH573,themaximumrecoverywas881%.
Keywords:alkaloid;biotransformation;erythrocentaurin;swertiamarin
  
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3 - - - + + +(5) - 1005 52 1892
4 - - + + + - + 873 32 1892
5 + + - + -(1) - - 950 23 2655
6 - + - - - + + 863 29 3658
7 - + + + - + + 1420 29 2653
8 + - - + - + - 1108 41 3139
9 + + + + + + - 1360 32 4300
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11 + - - + - - + 1310 34 3784
12 + - - - + + + 1033 31 3784
aSig1 b0004 00138 0162 0005 c0042 0337 0011 R2=9673%
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,2008.
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