Static intermittent fed-batch production of bacterial nanocellulose from black tea and its modification using chitosan to develop antibacterial green packaging material

Sharma, Chhavi; Bhardwaj, Nishi Kant; Pathak, Puneet

doi:10.1016/j.jclepro.2020.123608

Cited by 64 publications

(26 citation statements)

References 55 publications

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“…Figure 7 shows the FTIR profiles of BNC using BLE (70%) at different treatment times with NaOH. The spectra obtained showed typical BNC bands, which are the broad peak located in the region of 3200-3400 cm −1 [44,106,107], which corresponds to stretching vibrations of cellulose OH groups, while the peak around 2900 cm −1 is related to C-H stretching [71,79]. The peak at 1634 cm −1…”

Section: Fourier Transform Infrared (Ftir)mentioning

confidence: 94%

Bacterial Nanocellulose Derived from Banana Leaf Extract: Yield and Variation Factors

et al. 2021

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Bananas are one of the most important crops worldwide. However, a large amount of residual lignocellulosic biomass is generated during its production and is currently undervalued. These residues have the potential to be used as feedstock in bio-based processes with a biorefinery approach. This work is based on the valorization of banana leaf and has the following objectives (i) to determine the effect of certain physical and environmental factors on the concentration of glucose present in banana leaf extract (BLE), using a statistical regression model; (ii) to obtain Bacterial Nanocellulose (BNC), using BLE (70% v/v) and kombucha tea as fermentation medium. In addition, the physicochemical properties of BNC were evaluated by X-ray diffraction (XRD), Fourier transform infrared (FTIR), and thermogravimetric analysis (TGA). The results indicate that storage time, location, leaf color, and petiole type are factors related to BLE concentration, which is reduced by approximately 28.82% and 64.32% during storage times of five days. Regarding BNC biosynthesis, the results indicate that the highest yield, 0.031 g/g, was obtained at 21 days. Furthermore, it was determined that the highest production rate was 0.11 gL−1h−1 at 11 days of fermentation. By FTIR, it was determined that the purification step with NaOH (3M) should be carried out for approximately two hours. This research supports the development of a circular bioeconomy around the banana value chain, as it presents a way of bioprocessing residual biomass that can be used to produce bioproducts.

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Section: Fourier Transform Infrared (Ftir)mentioning

confidence: 94%

Bacterial Nanocellulose Derived from Banana Leaf Extract: Yield and Variation Factors

et al. 2021

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“…With respect to green packaging, manufacturers choose packaging based on costs and consumer preferences [69]. Some authors have indicated that green packaging that uses biodegradable polymers is in great demand, but involves issues of high production costs, processing and performance [88].…”

Section: Green Packaging Costsmentioning

confidence: 99%

Green Packaging from Consumer and Business Perspectives

et al. 2021

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Sustainable development is a global objective that aims to address the societal challenge of climate action, the environment, resource efficiency, and raw materials. In this sense, an important strategy is the promotion of green packaging, that is, the use of sustainable materials and designs for the packaging of goods. In recent years, many research works have been published in the specialised area covering the different perspectives and dimensions of green packaging. However, to our knowledge, no previous investigations have analysed the research activity on green packaging from business and consumer perspectives. The present study intends to fill this gap by analysing all of the publications found in the Scopus database with the help of visual analytic tools, including word clouds and Gephi network visualization software. More specifically, our study analyses the impact of green packaging from business and consumer viewpoints, including some specific issues such as the design and materials used in green packaging, green packaging costs, marketing strategies and corporate social responsibility related to green packaging, and the impact of green packaging in waste management, the circular economy, logistics, and supply chain management. The results obtained reveal the growing interest of scholars and researchers in all of these dimensions, as is made patently clear by the increasing number of journal publications in recent years. The practical implications of this study are significant, given the growing awareness among companies and consumers about the importance of the promotion of sustainable development through green packaging alternatives. More specifically, the results of this research could be very useful for all of those agents who are interested in learning about the main lines of research being developed in the field of green packaging.

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“…Static fermentation forms a thick and gel-like white BC pellicle at the air-liquid interface, thus limiting the oxygen (at the side of the pellicle exposed to media) and nutrient supply (at the upper aerobic zone of the pellicle) (Sharma et al 2021). It requires a longer culture period, larger cultivation area and intensive manpower, thus resulting in low productivity (Kuo et al 2016).…”

Section: Static Fermentationmentioning

confidence: 99%

“…The process has higher yield in lesser time but the shearing stress generated due to agitation causes the bacterial strain to revert to non-BC producing mutants (cele) thereby inhibiting the BC production. These mutants have a higher growth rate compared to the wild type, thus decreasing BC production even more (Sharma et al 2021;Singhania et al 2021). The agitated fermentation process is more suitable for the industrial production of BC and can be used for commercial applications in various fields.…”

Section: Agitated Fermentationmentioning

confidence: 99%

Recent advances in bacterial cellulose: a low-cost effective production media, optimization strategies and applications

et al. 2022

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Bacterial cellulose (BC), a promising polysaccharide of microbial origin, is usually produced through synthetic (chemically defined) or natural media comprising of various environmental wastes (with exact composition unknown), through low-cost and readily available means. Various agricultural, industrial, and food processing wastes have been explored for sustainable BC production. Both conventional (using one variable at a time) and statistical approaches have been used for BC optimization, either during the static fermentation to obtain BC membranes (pellicle) or agitated fermentation that yields suspended fibers (pellets). Multiple studies have addressed BC production, however, the strategies applied in utilizing various wastes for BC production have not been fully covered. The present study reviews the nutritional requirements for maximal BC production including different optimization strategies for the cultivation conditions. Furthermore, commonly-used applications of BC, in various fields, including recent developments, and our current understanding have also been summarized.

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Static intermittent fed-batch production of bacterial nanocellulose from black tea and its modification using chitosan to develop antibacterial green packaging material

Cited by 64 publications

References 55 publications

Bacterial Nanocellulose Derived from Banana Leaf Extract: Yield and Variation Factors

Bacterial Nanocellulose Derived from Banana Leaf Extract: Yield and Variation Factors

Green Packaging from Consumer and Business Perspectives

Recent advances in bacterial cellulose: a low-cost effective production media, optimization strategies and applications

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