Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 107, Issue -, Pages 13-19Publisher
ELSEVIER
DOI: 10.1016/j.indcrop.2017.05.026
Keywords
Cashew tree residue; Bacterial cellulose; Culture medium
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [1514505]
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Bacterial cellulose (BC) has been extensively exploited for applications in materials science, biomedical and technological fields. The BC production demands culture media rich in carbon sources. Agro-forestry residues constitute an interesting source of nutrients for microorganism, but they are frequently wasted. For cashew crop, exudate is periodically extracted from the tree trunks to increase the production of cashew nut, the most valuable product from cashew trees that produces about 700 g of exudate/year, which remains wasted. Here, we associated the nutritional properties of residues from cashew tree with the need of carbon sources for BC, in attempt to valorize the residue and to decrease the costs of BC production. The carbon source from Hestrin Schramm culture medium was totally or partially replaced by cashew tree residues and the BC production was evaluated. The produced BC membrane in static medium was characterized by FTIR, SEM and TGA and the kinetics of production was determined, suggesting the cashew tree residues as a potential carbon source for BC production.
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