Fig. 5.

Comparison of SRS images of xylan in the native, untreated corn stover (control) and organosolv-pretreated corn stover cell walls. Two types of cell walls are compared: secondary cell walls in the vascular bundle (a–d, i–l, q–t) and parenchyma cell walls (e–h, m–p, u–x). Scale bar = 30 µm