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1 Polish Journal of Chemical Technology

1 2016

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Effect of Gluconacetobacter xylinus cultivation conditions on the selected properties of bacterial cellulose

Fijałkowski K., Żywicka A., Drozd R., Kordas M., Rakoczy R.

Polish Journal of Chemical Technology

2016

Vol. 18, nr 4

117--123

The aim of the study was to analyze the changes in the parameters of bacterial cultures and bacterial cellulose (BC) synthesized by four reference strains of Gluconacetobacter xylinus during 31-day cultivation in stationary conditions. The study showed that the most visible changes in the analyzed parameters of BC, regardless of the bacterial strain used for their synthesis, were observed in the first 10–14 days of the experiment. It was also revealed, that among parameters showing dependence associated with the particular bacterial strain were the rate and period of BC synthesis, the growth rate of bacteria anchored to the cellulose fibrils, the capacity to absorb water and the water release rate. The results presented in this work may be useful in the selection of optimum culturing conditions and period from the point of view of good efficiency of the cellulose synthesis process.