Figure 3 | Scientific Reports

Figure 3

From: Preparation of kenaf stem hemicellulosic hydrolysate and its fermentability in microbial production of xylitol by Escherichia coli BL21

Figure 3

Scanning Electronic Microscope (SEM) micrographs of (A) surface of raw kenaf stem at a magnification of 150x, (B) surface of treated kenaf at a magnification of 150x, (C) cross-sectional view of raw kenaf stem at a magnification of 1000x and (D) cross-sectional view of treated kenaf with 2% (v/v) HNO3, at 130 °C for 60 min at a magnification of 1000x.

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