Biotechnologically relevant features of gluconic acid production by acetic acid bacteria

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Isidoro García-García *
Ana M. Cañete-Rodríguez
Inés M. Santos-Dueñas
Jorge E. Jiménez-Hornero
Armin Ehrenreich
Wolfgang Liebl
Teresa García-Martínez
Juan C. Mauricio
(*) Corresponding Author:
Isidoro García-García | iq1gagai@uco.es

Abstract

The many uses of gluconic acid and some of its salts are arousing increasing interest in these compounds and in their production levels. Although gluconic acid and gluconates can be obtained chemically, they are currently almost exclusively biotechnologically produced, mostly by fungus based methods. There is, however, an ongoing search for alternative microorganisms to avoid the problems of using fungi for this purpose and to improve the productivity of the process. Especially promising in this respect are acetic acid bacteria, particularly Gluconobacter strains. This paper discusses the main variables and operating conditions to be considered in optimizing gluconic acid production by Gluconobacter.

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Author Biography

Isidoro García-García, Department of Inorganic Chemistry and Chemical Engineering, Marie Curie Building, Campus of Rabanales, University of Cordoba

Full Professor of Chemical Engineering Chemical Engineering Department Campus of Rabanales. Marie Curie Building University of Córdoba Ctra.(a) de Madrid, km 396 14071 CÓRDOBA - SPAIN- +34 957 218589 isidoro.garcia@uco.es