| 摘要 |
Subject of the invention is a method for the production of L-carnitine, comprising the steps of (a) providing a solution comprising at least 5% (w/w) carnitine in a first solvent, wherein the carnitine is a mixture of D- and L-carnitine, (b) optionally seeding the solution with L-carnitine crystals, (c) adding an second solvent, in which the L-carnitine is not soluble or has a low solubility, (d) isolating crystals comprising L-carnitine.
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