Fig. 7

Electron microscopy images of the micro structure of the mulberry bark samples treated with different enzymes. a Negative control, mulberry bark treated with buffer for 24 h; The panels show the surface of the mulberry bark treated for 24 h with the following b XylE-M3/M6 alone; c cellulase alone; d mixture of XylE-M3/M6 and cellulase. The magnification is 300 times larger for all images