Research Article
Exploratory Investigation of Chitosan as Mordant for Eco-Friendly Antibacterial Printing of Cotton with Natural Dyes
Table 4
Effect of mordant and dye combinations on antibacterial properties.
| Mordant | Mordant conc. (%) | Dye | Dye conc. | Bacterial reduction (%) | (% of print paste) | S. aureus | E. coli |
| Alum | 20 | Catechu | 10 | 98.25 | 97.50 | Chitosan | 20 | 10 | 99.75 | 99.80 | CuSO4 | 2 | 10 | 100 | 100 |
| Alum | 20 | Turmeric | 10 | 98.25 | 97.00 | Chitosan | 20 | 10 | 99.25 | 99.10 | CuSO4 | 2 | 10 | 100 | 100 |
| Alum | 20 | Marigold | 10 | 99.50 | 99.00 | Chitosan | 20 | 10 | 99.90 | 99.75 | CuSO4 | 2 | 10 | 100 | 100 |
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Represents average value of 3 determinations.
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