PJB-2020-304
BROWN SEAWEED (COLPOMENIA SINOUSA) AS A SOURCE OF ANTIMICROBIAL TEXTILE DYEING
Kiran Rani
Abstract
Marine seaweed is rich in bioactive compound and little information available regarding the utilization of seaweed based colorant in sustainable textile dyeing. The current investigation was carried out to explore the utilization of natural colorant from brown seaweed Colpomenia sinousa and their application on cotton and fleece fabric. Dyeing process were optimized by varying dye amount % and dyeing time. Antimicrobial assessment of the dyed, mordanted and pre-mordanted fabric were also performed by qualitative disc diffusion method. The results have showed color strength of the dyed cotton and fleece fabric have enhanced with increasing the dye amount percentage to 30 % (o.w.f.) and dyeing time 120 min. The comparison between cotton and fleece suggested C. sinousa dye exhibits better dyeing performance (exhaustion, fixation %, color strength and color fastness properties) on cotton than on fleece fabric. Moreover, the antimicrobial assessment results indicates that fleece fabric shown higher antimicrobial potential than cotton fabric. The dye compounds were found more active against C. albicans and least for S. aureus. The reported results are valuable in exploring the utilization of seaweed based colorants as a useful natural dye for sustainable textile dyeing with novel antimicrobial agents.
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