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  • cellulose synthesized by enterobacter sp. fy-07 under aerobic and anaerobic conditions

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 597
    • تعداد پرسش و پاسخ ها: 0
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    enterobacter sp. fy-07 can produce bacterial cellulose (bc) under aerobic and anaerobic conditions. in static cultivation at 30 °c for 72 h under anoxic, oxygen-limited and aerated conditions, cellulose production exceeded 5 g/l, which indicated that oxygen was not essential for production of bc by enterobacter sp. fy-07. x-ray diffraction (xrd), fourier transform infrared spectroscopy (ft-ir) and scanning electron microscopy (sem) analysis showed that the microstructure of the bc was similar to that produced by aerobic bacteria such as gluconacetobacter xylinum bcrc12335 and acetobacter sp. v6. the crystallinity index of the bc was 63.3%. water-holding capacity (approximately 11000%) and rehydration ratio (24.4%) were superior to those reported for bc produced by the aerobic bacteria g. xylinum bcrc12335 and acetobacter sp. v6. these results will facilitate static submerged fermentation for the production of bc.

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