Separation and purification method for 15N-L-histidine

The invention relates to a separation and purification method of N-L-histidine. The method adopts an ion exchange method to extract N stable isotope labeling L-histidine solution step by step; ammonia is driven off by vacuum concentration and the product is obtained by ethanol low temperature crysta...

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Bibliographic Details
Main Authors LI LIANGJUN, XU DAGANG, YU JINGLAN, DU XIAONING, MEI CONGXIAO
Format Patent
LanguageChinese
English
Published 01.10.2008
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a separation and purification method of N-L-histidine. The method adopts an ion exchange method to extract N stable isotope labeling L-histidine solution step by step; ammonia is driven off by vacuum concentration and the product is obtained by ethanol low temperature crystallization and vacuum drying. Compared with the prior art, the method has the advantages of being concise, high yield, good quality of products, etc.
Bibliography:Application Number: CN2007138851