Gluconic acid: Properties, production methods and applications—An excellent opportunity for agro-industrial by-products and waste bio-valorization

Ana M. Cañete-Rodríguez, Inés M. Santos-Dueñas, Jorge E. Jiménez-Hornero, Armin Ehrenreich, Wolfgang Liebl, Isidoro García-García

Research output: Contribution to journalReview articlepeer-review

134 Scopus citations

Abstract

Agro-industrial by-products and wastes pose serious, widespread problems with considerable economic and environmental consequences in developed countries. However, many of the by-products contain large amounts of sugars that make them potentially excellent raw materials for the biotechnological production of added value products; in particular, by-products from perishables such as fruits can be highly useful for this aim. The growing significance and demand for gluconic acid have promoted an interest in integrating both issues as a strategy for the revalorization of these resources. The pertinence of this strategy can be better understood by examining the properties of gluconic acid and its derivatives and their uses and production methods, especially biotechnological methods, to update the existing reviews on the topic. Future advances in this direction may be promoted by the development of genetically modified organisms for the generation of new technological processes and the optimization of existing ones. Particular attention is paid to acetic acid bacteria.

Original languageEnglish
Pages (from-to)1891-1903
Number of pages13
JournalProcess Biochemistry
Volume51
Issue number12
DOIs
StatePublished - 1 Dec 2016

Keywords

  • Acetic acid bacteria
  • Agro-industrial by-products
  • Filamentous fungi
  • Food additives
  • Gluconic acid bioproduction
  • Revalorization

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