Treatment time (min) K/S Lipolase 100L-EX Lipase type II Reactive Red 120 Basic Red 18 Reactive Red 120 Basic Red 18 0 2.2 0.1 2.2 0.1 15 2.5 0.1 2.3 0.3 30 3.0 0.7 2.7 1.1 45 3.7 1.2 3.1 1.7 60 3.7 1.9 3.5 2.0 75 3.8 2.0 3.6 2.2 90 3.9 2.1 3.6 2.2

Table 2: Effect of treatment time on the colour strength of enzyme-treated as well as untreated polyester fabrics dyed with dyed with reactive or basic dye (Treatment condition: L.R. 1:40, enzyme concentration 1 % (o.w.f.) at 40°C, pH 8 for lipolase 100 L-EX and pH 7.4 fir lipase type II).