Abstract
Various biowastes from the forest and agricultural industries have been of interest due to their high levels of residual health beneficial components. Chestnut shell is generated as waste during the peeling process in the food industry, and it is rich in many functional compounds, including hydrolyzable tannins. Therefore, the extract of chestnut shell was obtained in hot temperature water, and it was applied to cotton fabrics through a pad-dry-cure technique to explore the possibility of chestnut shell being a useful material in textile finishing. The extract of chestnut shell and the cotton fabrics finished with the extract were investigated thoroughly. As a result, it was found that the chestnut shell extract contained high levels of total polyphenols (21.744 mg/g) and flavonoids (10.295 mg/g). Also, the extract showed antioxidant and antibacterial capacities. In addition, the cotton fabrics finished in the chestnut shell extract also revealed reasonable antibacterial and antioxidant abilities. However, the antibacterial ability of the cotton fabric finished with the chestnut shell extract was significantly decreased towards gram-negative bacteria after 5 laundering cycles.
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