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Bacterial nanocellulose (BNC), a natural origin biopolymer with multi-dimensional applications has captured a great deal of attention owing to its implausible properties. However, low yield of BNC accompanied with high production cost is challenging its usage in various technological applications. In this study, BNC production has been reported utilizing fermented black tea broth brewed from fresh tea leaves (FBTB) as well as from used tea leaves (FBTB) as a cost-effective and high-quality BNC yielding medium. The symbiotic combination of bacteria and yeasts (SCOBY) was exploited here to bring fermentation in tea broth. The production yields on dry weight basis were 13.3 g L in FBTB and 12.8 g L in FBTB, obtained with 60 g L of glucose in 20 days. The conversion yields of 0.32 and 0.31 g BNC/g sugar were obtained with both the tea broths. The study of produced pellicle using ATR-FTIR, FE-SEM and XRD confirmed its structural, morphological and chemical nature similar to that of BNC. Thus, fermented black tea broth appears to be a potential medium for BNC production. The use of fermented tea broth for the industrial scale production of BNC might significantly reduce its production cost.
This article was published in the following journal.
Name: International journal of biological macromolecules
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A species of Lactobacillus that occurs in the GUT MICROBIOTA of healthy humans as well as FERMENTED DAIRY PRODUCTS and fermented vegetables. It is used as a PROBIOTIC.
A non-pathogenic species of Bacillus that occurs in soil as well as some fermented vegetables and FERMENTED DAIRY PRODUCTS. It produces BACTERIOCINS and ANTIFUNGAL AGENTS and is used in FOOD PRESERVATION as well as a PROBIOTIC.
Foods and beverages that are prepared by using microorganisms to convert their components into various FERMENTATION end products. Some pickled foods are considered fermented foods as their pickling results from the microbial production of LACTIC ACID.
A species of Leuconostoc that occurs on fruits and vegetables and in their fermented products, as well as FERMENTED DAIRY PRODUCTS. It produces LACTIC ACID and BACTERIOCINS and is used as a PROBIOTIC; however, it has also caused infections in immunocompromised patients.
Knobbed structures formed from and attached to plant roots, especially of LEGUMES, which result from symbiotic infection by nitrogen fixing bacteria such as RHIZOBIUM or FRANKIA. Root nodules are structures related to MYCORRHIZAE formed by symbiotic associations with fungi.
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