Fractionation of DMSO-Extracted and NaOH-Extracted Hemicelluloses by Gradient Ethanol Precipitation from Neosinocalamus affinis

Table 3

¹H and ¹³C chemical shift (ppm) assignments for hemicellulosic fractions H₅₀.

Sugar residue	Chem shift (ppm) H/C
	1	2	3	4	5ax	5eq	6	OMe
→4)-β-Xylp(1→	101.78/4.26	72.67/2.98	73.42/3.18	75.47/3.44	63.26/3.02	63.26/3.88
α-GlcAp-(1→2	99.52/5.24	70.52/3.02	71.76/3.40					58.82/3.23
α-Araf-(1→2,3	107.25/5.30	78.80/3.81	76.84/3.59	86.44/3.95	61.12/3.44
→4)-β-Xylp(1→, 2-O-Ac		73.07/4.38
→4)-β-Xylp(1→, 3-O-Ac			74.05/4.79