Direct purification of lysozyme from hen egg white using high density mixed mode adsorbent

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Title
Direct purification of lysozyme from hen egg white using high density mixed mode adsorbent
Author(s)
Won Kyung Kim; Bong Hyun Chung
Bibliographic Citation
Journal of Microbiology and Biotechnology, vol. 9, no. 3, pp. 292-296
Publication Year
1999
Abstract
The high density mixed mode adsorbent known by the trade name of Mimo- AD was used to purify lysozyme directly from the hen egg white (HEW). The homogenized hen egg white was treated with the adsorbent in a stirred vessel for lysozyme adsorption, and then the adsorbent, easily separated from the HEW by sedimentation, was packed into a column. The remaining HEW and contaminant proteins were removed by washing with pH 11 distilled water in an expanded-bed state, and subsequently the elution was performed with pH 12 distilled water in a packed-bed state. By this simple and rapid adsorption, washing, and elution procedure, lysozyme was purified to >95% with an overall recovery yield of 66%. This process offers a great potential for industrial application by allowing the extraction of lysozyme while retaining the commercial value of HEW.
Keyword
Lysozymehen egg white (HEW)mixed mode adsorbentexpanded bed
ISSN
1017-7825
Publisher
Korea Soc-Assoc-Inst
Type
Article
Appears in Collections:
1. Journal Articles > Journal Articles
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