Optimization of Bromelain Treatment pH with Wool for Antifelting and Reduced Pilling Behaviour: Objective Assessment Approach

Figure 5

SEM (a) bleached wool, (b) bromelain treated and pilled wool at pH ~ 4.5, (c) bromelain treated and pilled wool at pH ~ 6.0, and (d) bromelain treated and pilled wool at pH ~ 9.0.

(a) Bleached wool

(b) Bleached wool treated with protease at pH 4.5 and pilled

(c) Bleached wool treated with protease at pH 6.0 and pilled

(d) Bleached wool treated with protease at pH 9.0 and pilled