Effect of different carbon sources on bacterial nanocellulose production and structure using the low pH resistant strain Komagataeibacter medellinensis

Carlos Molina-Ramírez*, Margarita Castro, Marlon Osorio, Mabel Torres-Taborda, Beatriz Gómez, Robin Zuluaga, Catalina Gómez, Piedad Gañán, Orlando J. Rojas, Cristina Castro

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)
160 Downloads (Pure)

Abstract

Bacterial cellulose (BC) is a polymer obtained by fermentation with microorganism of different genera. Recently, new producer species have been discovered, which require identification of the most important variables affecting cellulose production. In this work, the influence of different carbon sources in BC production by a novel low pH-resistant strain Komagataeibacter medellinensis was established. The Hestrin-Schramm culture medium was used as a reference and was compared to other media comprising glucose, fructose, and sucrose, used as carbon sources at three concentrations (1, 2, and 3% w/v). The BC yield and dynamics of carbon consumption were determined at given fermentation times during cellulose production. While the carbon source did not influence the BC structural characteristics, different production levels were determined: glucose > sucrose > fructose. These results highlight considerations to improve BC industrial production and to establish the BC property space for applications in different fields.

Original languageEnglish
Article number639
Number of pages13
JournalMaterials
Volume10
Issue number6
DOIs
Publication statusPublished - 11 Jun 2017
MoE publication typeA1 Journal article-refereed

Keywords

  • Bacterial nanocellulose
  • Carbon source
  • Cellulose crystallization
  • Komagataeibacter medellinensis
  • Static fermentation

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    Molina-Ramírez, C., Castro, M., Osorio, M., Torres-Taborda, M., Gómez, B., Zuluaga, R., Gómez, C., Gañán, P., Rojas, O. J., & Castro, C. (2017). Effect of different carbon sources on bacterial nanocellulose production and structure using the low pH resistant strain Komagataeibacter medellinensis. Materials, 10(6), [639]. https://doi.org/10.3390/ma10060639