Abstract
Biodeterioration of fabric made of natural fibre is an inevitable threat for the textile industry. Many antimicrobial finishing with synthetic chemical are been in practice but the wash out effluent from the industry pollutes the environment and also becomes a cause for antimicrobial resistance in microbes at the exposed environment. Hence the present study is designed to identify a natural antimicrobial substance from the group actinobacteria that can be used as an ecofriendly finishing on cotton textiles. To accomplish the task endophytic actinobacteria were isolated from medicinal plants and screened for the production of antimicrobial compound against the biodeteriorating microbes viz. Bacillus subtillis, Bacillus megaterium, Pseudomonas aeruginosa and Pseudomonas fluorescence. The cotton fabric coated with bioactive crude culture filtrate using the dip-dry method according to the American Association of Textiles chemist colourists (AATCC) protocol was analyzed for its potentiality in actively inhibiting the growth of microbes by AATCC 90, AATCC100 and shake flask reduction methods. Results showed that finished fabric had good antibacterial activity than untreated fabric. Anti adhesive property and wash test results revealed that coated textiles were effective in preventing biofilm formation and without binder coating remained up to five wash cycles.
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