Isolation of brefeldin A from Eupenicillium brefeldianum broth using macroporous resin adsorption chromatography
- PMID: 22503744
- DOI: 10.1016/j.jchromb.2012.03.033
Isolation of brefeldin A from Eupenicillium brefeldianum broth using macroporous resin adsorption chromatography
Abstract
Brefeldin A (BFA) is a macrolide lactone antibiotic, possessing antitumor, antiviral, antifungal activities. In this work, a separation strategy involving one-step macroporous resin adsorption chromatography combined with crystallization was established for BFA purification from Eupenicillium brefeldianum CCTCC M 208113 fermentation broth. Among six macroporous resin adsorbents tested, the non-polar resin HZ830 had the best adsorption and desorption performance. The static equilibrium adsorption data fitted well with the Freundlich equation, and the adsorption kinetic followed the pseudo-second order model. Through experimental optimization of column adsorption and desorption, BFA in purity of 90.4% (w/w), 92.1% (w/w) yield was obtained by a one-step macroporous resin adsorption chromatography, using a stepwise elution protocol. Furthermore, high purity (>99%, w/w) of BFA crystals were prepared from E. brefeldianum CCTCC M 208113 fermentation broth in an overall recovery of 67.0% (w/w), using a combination of adsorption chromatography packed with non-polar macroporous adsorbent HZ830 and crystallization in acetone.
Copyright © 2012 Elsevier B.V. All rights reserved.
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