This work aims to prepare and evaluate a natural dye named catechu as a dye and antibacterial substance. Cotton and viscose fabrics were dyed at different pH values and duration temperature. In addition, the antibacterial properties was evaluated for dyed fabrics towards Gram-positive and Gram-negative bacteria. Results showed that the dyed fabrics used as bactericidal substance and it is durable with washing at 25 times wash cycles.
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