Abstract
Acinetobacter lwofii ATCC 9036 assimilated L-malic acid eantiospecifically and left D-malic acid when grown in a medium containing DL-malic acid. The optical purity of the D-malic acid isolated from the culture filtrate was 100%. When the organism was incubated at 26°C, 220 r.p.m. in a Erlenmeyer flask containing 100g/l of disodium maleate, L-malic acid was completely consumed during 7 days incubation and D-malic acid remained at the concentration of 35g/l.
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