PROCESS FOR THE PREPARATION OF L-AMINO ACIDS USING IMMOBILIZED MICROORGANISMS, HYDROPHILIC POLYETHER POLYURETHANE FOAM FOR IMMOBILIZING THEM AND METHOD FOR THE PREPARATION THEREOF

摘要

The invention relates to a hydrophilic polyether-polyurethane foam in which at least 50 mol % of the alkylene oxide units in the polyether sections of the polyurethane comprise ethylene oxide and which contains immobilised microorganisms which produce L-amino acid. The invention also relates to the production of the foam and to the use of the foam for the preparation of L-amino acids from corresponding substrates.