b'Figure 2. Surface characterisation results for the four substrates across three treatment groups on hardwood (HWD) and softwood (SWD) furnish. A) Amorphous cellulose, B) Crystalline cellulose, C) Mannan and D) Xylan. Values provided represent the mean of at least three samples.In utilising Fiberlytics in the selection of enzymatic products, it becomes possible to select the ratio of enzyme activities to best match the ratio of substrates. InIn matching matching the activity profile to thethe activity substrate profile of the fibre itself,profile to it was possible to find the bestthe [fibre] formulation for unbleached Kraftsubstrate fibres. In combining knowledge ofprofile, it was the fibre surface with the activitiespossible to of the enzymes under specificfind the best operating conditions, it now becomesformulation possible to rapidly identify enzymaticfor technologies that deliver the specificunbleachedFigure 3. Summary of tensile data. Values provided are the mean of at benefit required (Figure 4).Kraft fibres.least seven measurements.WORLD PULP&PAPER 19'