Journal
CARBOHYDRATE POLYMERS
Volume 250, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2020.116965
Keywords
Bacterial cellulose composite nanofibers; Lactobacillus acidophilus 016; carrier material
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Funding
- Indian Council of Agricultural Research under the ICAR-CIRCOT-CRP-TNAU-01
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The present study was conducted to develop bacterial cellulose nanofibers (BCNF) and to evaluate its ability as a carrier material for the incorporation of the probiotic bacteria Lactobacillus acidophilus 016. Bacterial cellulose (5%) dissolved in trifluomacetic acid (TFA) solution was amended with an equal volume of polyvinyl alcohol (PVA) solution to produce nanofibers via electrospinning. Fourier-transform infrared spectra of BCNF confirmed the absence of TFA used in the dissolution process. Mechanical properties, including tensile strength, surface area, pore-volume, and pore diameter, and thermal analysis of BCNF revealed that the nanofibers could be incorporated in food for the delivery of probiotics. L. acidophihis 016 was successfully immobilized onto the BCNF through the adsorption-incubation technique. SEM micrograph revealed that the immobilized bacteria sustained without any damage during the storage for up to 24 days. Further, the viability studies confirmed the survival of 71% population during the storage at 35 degrees C. These observations recommended the possibility of BCNF based probiotics for various commercial applications.
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