Purification and characterization of an intracellular esterase from Propionibacterium freudenreichii ssp. freudenreichii ITG 14 Evangellia Kakariari, Marina D. Georgalaki, George Kalantzopoulos and Effie Tsakalidou Lait, 80 5 (2000) 491-501 DOI: 10.1051/lait:2000140