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Purification technology of puerarin by agar gel microspheres

琼脂凝胶微球纯化葛根素的工艺研究



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Purificationtechnologyofpuerarinbyagargelmicrospheres
LVShuquan,SHIGuozong,SUNLi,XUYuanjie,WANGFu
(XiamenBlueBayScience&TechnologyCo.,Ltd.,Xiamen361000,China)
[Abstract] PuerarinisthemainactivecomponentofflavonoidsinPuerariaeLobataeRadixInthisstudy,agargelmicro
spheresbondedwithβcyclodextrin(AGβCD)weresynthesizedbyusingeconomicalagar,andthenhighpuritypuerarinwas
obtainedwithAB8throughhighyieldseparationWithpurityandyieldofpuerarin,andchromatographicpurityofrelatedimpu
ritiesasindexes,fourmacroporousresinsofdiferentproperties,namelyADS7(highpolarity),ADS17(mediumpolarity),
ADS21(polarity)andAB8(weakpolarity),wereselectedforseparationofpuerarinandtechnologicaloptimizationInaddi
tion,theAGβCDpurificationprocesswasoptimizedandverifiedTheresultsshowedthat,AB8resinsshowedthebestefect
andselectedasthepretreatmentresinsforcrudepuerarin,andpuerarinwiththepurityof8768% showedarecoveryrateof
8966%TheoptimizedpurificationprocessparametersofAGβCDincludedmobilephase(15% ethanol),loadingcapacity
(theratioofloadingamounttocolumnvolume)(133g·L-1),sampleconcentration(8g·L-1)andflowrate(1mL·
min-1),puerarinwiththepurityof95% showedarecoveryrateofmorethan97%
[Keywords] puerarin;AB8resins;agargelmicrospheres;βcyclodextrin
doi:10.4268/cjcmm20160614
  
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Vol41,No.6 March,2016
    Ü1 AGβCDZ_íîOƒ8_gë‚Ä
Table1 Efectofoptimizationtechnologyforpurificationpuera
rinbyAGβCD
KL‹Œ
‘d =2
‚À¬
/%
®/²
1)(
²Ê
/%) 5 5458
10 8476
15 100
20 7887
b‚ö
2)/mg 40 9765
50 2911
60 1303
‚³´ö˚
3)/g·L-1 10 9628
12 9188
®Q
4)/mL·min-1 2 8242
3 7681
  
 
:1)
b‚ö
20mg,
—‚¦
5mL,
®Q
1mL·min-1;2)
®/
²
15%
²Ê

—‚¦
5mL,
®Q
1mL·min-1;3)
b‚ö
40mg,
®

15%
²Ê

®Q
1mL·min-1;4)
b‚ö
40mg,
®/²
15%
²
Ê

—‚¦
5mL。
Ü
2 
íîO‘•Z_(Ì(
Table2 Verificationofseparationandpurificationofpuerarin
o<
AB8 AGβCD

/%
‚À¬
/% t1)/min

2)/% ‚À¬/%
1 8835 8867 55~95 9713 9725
2 8726 9053 50~90 9601 9743
3 8743 8979 55~95 9765 9736
  
 
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q
7 3
o(Ì
AGβCDZ_íîOùS¢²KLq
Fig7 Preparationliquidchromatogramsofpurificationofpuer
arinbyAGβCDwiththreebatchesofverification
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yg?z

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