To evaluate the combined effect of extrusion applied to
the FFSF prior to the EAEP process followed by SAA of
the residual fiber fractions on glucose yield, one set of
SAA conditions [80 C for 12 h] was also applied to the
fiber fraction resulting from the two-stage countercurrent
EAEP of FFSF without submitting it to extrusion
treatment (named SAA in Fig. 2).