A novel bio-composite of bacterial cellulose (BC) and galactomannan Arenga pinnata Merr (GA) has been synthesis using Acetobacter Xylinium in coconut water media containing fertilizer. A foamed hydrogel bio-composite occurred after 7 days which was then soaked in different concentrations of ethanol solution (70, 96 and 100%) followed by drying in a desiccator under vacuum condition to produce white thin paper with the thickness varying from 0.325 to 0.700 mm. The surface morphology of the bio-composite was studied using scanning microscope electron which showed that GA molecule could cover BC holes rendering decreasing holes size. The swelling property of bio-composite was determined in water, simulated intestinal fluid and simulated gastric fluid. The result indicated that increasing GA could increase swelling properties. The functional group of bio-composite BC/GA did not change based on infra-red spectroscopy. Therefore it can be concluded that bio-composite BC/GA presented suitable properties to be used as a drug carrier.

Topics
Infrared spectroscopy, Carbohydrates
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