Abstract
Bacterial cellulose (BC) is one of the biopolymers which has a wide range of application, from medical purposes to electrical components. Previous studies show that BC could be produced from agricultural, food, and industrial waste. In this study, two kinds of liquid waste were utilized as the substrates for Komagataibacter xylinus to produce BC, namely tofu liquid waste, and rice-washed water. The structure of BC was determined by Scanning Electron Microscope (SEM) and Fourier-transform infrared spectroscopy (FTIR). The tofu liquid waste resulted higher yield after 15 days of fermentation compared to the rice-washed water. Furthermore, the FTIR spectra of both BC displayed the similar pattern as the standard cellulose. To conclude, this study revealed that both tofu liquid waste and rice-washed water were potential to be used as the production media for BC.
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