An additional advantage of using en

An additional advantage of using enzymes in the starch extrac-tion process is that by degrading fibres these enzymes can loosenthe cell wall network in undisrupted cell walls before separatingthe fibre fraction from the starch fraction. Lab-scale treatment ofpotatoes with a cellulase improved starch release by 18–28% byhydrolyzing cellulose (Sit, Agrawal, & Deka, 2011). However, atproduction scale, the actual blending of potatoes and the starchextraction process is different than at lab scale (Grommers andvan der Krogt, 2009, chap 11; Wischmann et al., 2007). This isillustrated by main differences observed in the particle size distri-butions of starch granules between lab scale and industrial scalederived starch (Wischmann et al., 2007). Consequently, only byusing a defined semi-technical scale set-up, the effects of enzymeaddition in the starch recoveries and WHCs are expected to be pre-dictable for industrial scales. Therefore, in this study, potatoes wereblended and starch was separated at such a semi-technical scaleset-up.