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公开(公告)号:US5017480A
公开(公告)日:1991-05-21
申请号:US211268
申请日:1988-06-24
申请人: Shigenori Mori , Kinzo Iitani , Masaki Yamamoto , Masashi Miyazawa , Toyokazu Kaneko , Tetsuya Kaneko , Ken-ich Yarita
发明人: Shigenori Mori , Kinzo Iitani , Masaki Yamamoto , Masashi Miyazawa , Toyokazu Kaneko , Tetsuya Kaneko , Ken-ich Yarita
IPC分类号: C12P13/04 , B01D61/14 , C07C67/00 , C07C227/00 , C07C227/28 , C07C227/40 , C07C229/00 , C07C231/00 , C07C231/24 , C07C237/06 , C07D209/20 , C07D233/64
CPC分类号: B01D61/14 , C07C227/00 , C07C227/28 , C07C227/40 , C07C229/00 , C07C231/00 , C07C231/24 , C07C237/06 , C07C67/00 , C07D209/20 , C07D233/64 , C12P13/04
摘要: A process for recovering a high-purity L-amino acid from a fermentation liquor obtained by fermentation or an enzymic method, which comprises removing the impurities contained in said fermentation liquor by passing said fermentation liquor through an ultrafilter membrane and then through an ion-exchange or adsorbent resin; concentrating or cooling the effluent thus obtained to result in crystallization of said L-amino acid, and isolating said crystalline L-amino acid from said fermentation liquor.
摘要翻译: 从通过发酵或酶法获得的发酵液中回收高纯度L-氨基酸的方法,其包括通过使所述发酵液通过超滤膜然后通过离子交换来除去所述发酵液中所含的杂质 或吸附树脂; 浓缩或冷却由此获得的流出物导致所述L-氨基酸的结晶,并从所述发酵液中分离所述结晶L-氨基酸。