In this study, 100% cotton knit was premordanted with mimosa tannin and mimosa tannin/alum and dyed with a dyestuff
extracted from Madder root. The degree of exhaustion was carry out by UV-Vis spectroscopy. The color fastness to light,
wash, rubbing (wet and dry) and perspiration of the mordanted and dyed fabrics were evaluated according to specific
ISO standard.
The samples were tested for ultraviolet protection and antibacterial activity against Staphylococcus aureus strains. The
color fastness to washing and light are poor and the fastness to perspiration and rubbing is moderate. The dyed fabrics
demonstrate an excellent UV protective effect and a good antibacterial activity. Even thin, the materials used for summer
clothes dyed with madder could provide an effective and common mean to protect the human body against the harmful
effects of UV rays.
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