Macromolecular structure of extruded samplesFollowing extrusion, the size distribution of amylopectin, deter-mined by AF4-MALLS, decreased and a large peak appeared at RHranging from 5 to 75 nm. This peak corresponds to the amylose andbranched products resulting from the degradation of amylopectinduring extrusion (Fig. 1A). The¯Mwvalues were 2.15 × 108g mol−1and 1.06 × 108g mol−1and the¯RGvalues were 241 nm and 251 nmfor control and extruded control starches, respectively (Table 1).The¯
RGand molar mass of the control starch decreased after extru-sion, whereas the dispersity increased 1.9-fold. This evolution ofmolar mass distributions after extrusion was in agreement with aprevious study (Sankri et al., 2010).