Effects of Xylanase Pretreatment on the Quality of Refiner Mechanical Mulberry Branch Fibers

Figure 10

SEM images of the cross-sectional surfaces of mulberry branch fibers without and with xylanase pretreatment. (a) Control sample (without xylanase pretreatment). (b) Sample with xylanase pretreatment (enzyme dosage, 20 U/g).

(a)

(b)