| abstract |
A method for producing an optically active amino acid, which comprises adding ammonia to an acrylic acid derivative by action of a plant enzyme and obtaining the corresponding optically active amino acid. The method for producing an L-amino acid, which comprises, in the presence of ammonia, allowing phenylalanine ammonia-lyase derived from a plant to act on an acrylic acid derivative, which may have an aromatic ring group that may have various substituents and comprise a hetero atom. |