An original design of a simple bioreactor was used to fabricate two tubular, 200 cm long BC structures by culturing B-11267 on a molasses medium. In addition, a tubular BC-based biocomposite with improved mechanical properties was obtained by combining cultivation on the molasses medium with in situ chemical modification by polyvinyl alcohol (PVA). Moreover, the present study investigated the BC production by the B-11267 strain on the media with different molasses concentrations under agitated culture conditions. The dynamics of sugar consumption during the cultivation were studied by HPLC. The structure and physicochemical properties of BC and tubular BC structures were characterized by FTIR spectroscopy and X-ray diffraction (XRD). Thus, the findings indicate that B-11267, when cultivated in a molasses medium, which is such a cheap waste product in the sugar industry, forms a significant amount of BC with a high crystallinity degree. The BC tubular structures demonstrated great potential for their application in biomedicine as artificial blood vessels and conduits for nerve regeneration.
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Article Synopsis
- Vitamin B is essential for health and traditionally obtained from liver or through costly chemical synthesis, but microbial fermentation using inexpensive sources like molasses offers a viable production method.* -
- A variety of microbial isolates were screened, leading to the identification of seven strains with significant vitamin B production ability, notably Bacillus subtilis and Peribacillus acanthi.* -
- Peribacillus acanthi was found to be the most productive strain, with optimized conditions for vitamin B synthesis established using molasses, marking a new potential source for this important vitamin.*
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