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Influence of Zeta Potential on Fractional Precipitation of (+)-Dihydromyricetin
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  • Journal title : Korean Chemical Engineering Research
  • Volume 53, Issue 6,  2015, pp.831-835
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2015.53.6.831
 Title & Authors
Influence of Zeta Potential on Fractional Precipitation of (+)-Dihydromyricetin
Ha, Geon-Soo; Kim, Jin-Hyun;
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This study evaluated the influence of the zeta potential of silica-alumina on the behavior in terms of purity, yield, and precipitate shape and size of fractional precipitation in the fractional precipitation process for the purification of (+)-dihydromyricetin. The optimal silica-alumina amount (surface area per working volume of reacting solution) for zeta potential control was . As the zeta potential value of silica-alumina increased, (+)-dihydromyricetin yield and precipitate size were increased. The use of silica with the highest value of the zeta potential (+4.99 mV) as a zeta potential-controlling material increased the (+)-dihydromyricetin yield by 2-fold compared with that of the use of alumina with the lowest value of the zeta potential (-19.00 mV). In addition, the (+)-dihydromyricetin yield and precipitate size was inversely correlated with the absolute value of the zeta potential. On the other hand, the purity of (+)-dihydromyricetin had almost no effect on changes in the zeta potential of silica-alumina.
(+)-Dihydromyricetin;Purification;Fractional Precipitation;Silica-Alumina;Zeta Potential;
 Cited by
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