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Method for producing L-amino acid

  • US 4,016,037 A
  • Filed: 10/15/1975
  • Issued: 04/05/1977
  • Est. Priority Date: 10/15/1975
  • Status: Expired due to Term
First Claim
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1. A method for producing an L-amino acid of the formula:

  • ##STR3## which comprises;

    a. holding a hydantoin compound of the formula;

    ##STR4## at pH 5 to 11 in an aqueous solution at 15°

    to 70°

    C in the presence of an effective amount of enzyme produced by Flavobacterium aminogenes until the L-amino acid accumulates in the solution;

    said enzyme being capable of converting said hydantoin compound to said L-amino acid, and in said formula, R being phenyl or substituted phenyl radicals or indolyl or substituted indolyl radicals; and

    b. recovering the L-amino acid formed from said aqueous solution.

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