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Simultaneous determination of five nucleotides in BulbusFritillariae by RP-HPLC

RP-HPLC同时测定贝母药材中5种核苷类化合物



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SimultaneousdeterminationoffivenucleotidesinBulbus
FritilariaebyRPHPLC
ZHANGJianzhi,SONGChanghui,CHENBo,YAOShouzhuo
(KeyLaboratoryofChemicalBiologyandTraditionalChineseMedicineResearch,Ministry
ofEducation,HunanNormalUniversity,Changsha410081,China)
[Abstract] AhighperformanceliquidchromatographymethodwasdevelopedfordeterminationoffivenucleotidesinBulbus
Fritilariae.Thefivenucleotideswereuridine,adenine,guanosine,thymidine,adenosine,respectively.AWelchmaterialsXBC18
column(46mm×250mm,5μm)wasusedandthechromatographicseparationwasachievedusing5mmoL·L-1ammoniumace
tateaceticacidbufersolution(pH430,B)andmethanol(A)asmobilephases,thegradientelutionprogram:010min,0%1%
A,1020min,1%5% A,2025min,5% A,2535min,5%30% A,3537min,30%0% A,3740min,0% Awithaflowrateof
1mL·min-1andmonitoredat260nm,theinjectionvolumewas20μLThepeakareasofnucleotidesandtheconcentrationsshowed
agoodlinearrelationrangedfrom024to1360mg·L-1,r>09983.Theintraandinterdaypecisionresultswereadequatewith
theRSDsof21% orbelow.TherepeatabilitywasgoodandtheRSDweresmalerthan55%.Therecoveriesofnucleosideswerein
therangeof9355%and1019%,RSD<30%;TheorderofnucleotidescontentsindiferentBulbusFritilariaewasF
hupehensis>Fthunberqi>Fcirhosa≈FusuriensisThemethodissimple,convenientandaccurateItcanbeusedforthede
terminationofnucleosidesandsupplyingevidenceforexploitingandapplyingofBulbusFritilariae
[Keywords] highperformanceliquidchromatography;nucleotides;BulbusFritilariae
doi:10.4268/cjcmm20100114

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