Fig. 6From: Effects of tannin mordanting on coloring and functionalities of wool fabrics dyed with spent coffee groundsAntibacterial ability of wool fabrics: a S. aureus—pristine, b S. aureus—dyed with spent coffee extract but without mordanting, c S. aureus—dyed with spent coffee extract and with 1.00% tannin mordanting, d K. pneumonia—pristine, e K. pneumonia—dyed with spent coffee extract but without mordanting, f K. pneumonia—dyed with spent coffee extract and with 1.00% tannin mordantingBack to article page