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 |
|
|
Represents average value of 3 determinations.
|
