Figure 4From: Systematic evaluation of the degraded products evolved from the hydrothermal pretreatment of sweet sorghum stems HSQC analysis of xylo-oligosaccharides obtained during the hydrothermal pretreatment at 170°C for 0.5 h. HSQC, heteronuclear single quantum coherence; Xα and Xβ, xylopyranosyl reducing ends; Xi and Xt, internal and nonreducing ends; UA, 4-O-methyglucuronic acid.Back to article page