Full Length Research Paper
Abstract
The production of bacterial cellulose (BC) using Gluconacetobacter xylinus(=Acetobacter xylinum) ATCC 10245 from three categories of carbon sources (Monosaccharide, disaccharide and alcohol) was examined. Glycerol gave the highest yield, followed by glucose, fructose, inositol and saccharose. The highest production efficiency of glycerol might be due to the rate of its consumption (45.4%), which is lower than that of glucose (97%). These results showed that the pH is not the only factor that affects the efficiency of BC production. The rate of consumption of carbon sources in the medium might play another important factor. From X-ray diffractometer, the crystalinity index of bacteria cellulose produce in presence of glucose and fructose have the highest values than those from other carbon sources.
Key word: Bacterial cellulose, Gluconacetobacter xylinus, Hestrin-Schramm’s medium, crystallinity index.
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