Title: Manufacturing method of DL-lysene
Application Number: 86107049 Application Date: 1986.10.20
Publication Number: 1018082 Publication Date: 1988.05.04
Approval Pub. Date: Granted Pub. Date: 1992.04.01
International Classifi-cation: C07B55/00,C07C227/36,C07C229/26
Applicant(s) Name: Kunshan Gourmet Powder Factory, Suzhou City Address:
Inventor(s) Name:
Attorney & Agent: WANG SUNJIA
Abstract:
     This invention provides a method of making DL-lysine from L-lysine through dl-purification. The procedures of this method are as follow: dissolving L-lysine while a kind of inorganic acid exists, stirring and keeping warm, and then, adding a kind of inorganic salt to filter the settling matter, at last, carrying out decolorization, concentration and filtration of the liquid. This invention is easy in technical process, low in cost. The pureness of the product obtained is over 98%.
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