Research Article
Optimization of Bromelain Treatment pH with Wool for Antifelting and Reduced Pilling Behaviour: Objective Assessment Approach
Table 1
Effect of pH on average areawise shrinkage (%), weight loss (%), pill numbers, and area of bromelain treated and bromelain treated-pilled wool.
| |
pH | Bromelain treated | Bromelain treated-pilled | |
Area-wise shrinkage (%) | Average weight loss (%) |
Subjective visual pill rating () | Objective pilling evaluation |
Average weight loss (%) | | Average pill rating () | Average pill area | Average pill numbers |
| | 4 | 31.6
(1.22) | 0.12
(0.77) | 1.32
(0.55) | 1.47
(0.31) | 167.33
(0.67) | 38.33
(0.88) | 0.77
(0.765) |
| | 4.5 | 25.6
(1.22) | 0.53
(0.88) | 1.5
(0.70) | 1.52
(0.16) | 156.00
(0.88) | 33.00
(0.67) | 1.53
(0.876) |
| | 5 | 22.3
(0.90) | 1.341
(0.74) | 1.82
(0.82) | 2.01
(0.35) | 121.67
(1.33) | 21.00
(0.88) | 2.45
(0.739) |
| | 5.5 | 5.67
(0.85) | 4.710
(0.35) | 4.33
(0.92) | 4.23
(0.58) | 63.00
(1.45) | 7.67
(0.88) | 6.88
(0.347) |
| | 6 | 5.1
(0.62) | 5.156
(0.70) | 3.92
(0.69) | 3.88
(0.23) | 69.67
(0.58) | 7.33
(0.33) | 6.94
(0.70) |
| | 6.5 | 5.4
(0.63) | 5.713
(0.34) | 3.56
(0.41) | 3.72
(0.33) | 71.00
(0.88) | 8.67
(0.67) | 7.74
(0.34) |
| | 7 | 5.9
(0.82) | 7.767
(0.55) | 3.01
(0.35) | 3.23
(0.15) | 81.67
(0.33) | 12.33
(0.33) | 11.12
(0.55) |
| | 7.5 | 7.9
(0.95) | 9.610
(1.08) | 2.01
(1.04) | 1.78
(0.23) | 99.33
(0.67) | 15.67
(0.88) | 15.24
(1.08) |
| | 8 | 8.8
(0.85) | 11.810
(0.80) | 2.78
(0.72) | 2.9
(0.30) | 100.67
(0.67) | 20.67
(1.33) | 17.23
(0.80) |
| | 8.5 | 18.7
(1.02) | 13.63
(1.48) | 2.08
(0.92) | 1.9
(0.36) | 133.67
(0.88) | 23.67
(1.33) | 19.83
(1.48) |
| | 9 | 21.9
(1.12) | 14.810
(1.47) | 2.23
(1.11) | 1.98
(0.69) | 122.33
(0.88) | 21.67
(1.33) | 22.87
(1.47) |
|
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