Table 3.

¹³C NMR spectral assignments of NGP-1a, NGP-2a and NGP-2b.

		chemical shifts, δ (ppm)
fraction	sugar residues	C-1	C-2	C-3	C-4	C-5	C-6
NGP-1a	→4)-α-GalpA-(1→	97.95	66.34	68.31	77.52	68.49	174.12
	→4)-β-Galp-(1→	104.22	71.68	73.16	76.42	74.36	60.60
	→3)-β-Galp-(1→	103.31	—	80.05	—	—	60.60
	→3,6)-β-Galp-(1→	103.31	—	80.05	—	—	68.49
	→5)-α-Araf-(1→	107.28	80.22	79.09	82.08	66.06
	→3,5)-α-Araf-(1→	106.95	79.82	83.75	80.72	66.34
	t-α-Araf-(1→	109.08	81.18	78.97	80.72	60.94
	→2/2,4)-α-Rhap-(1→	98.15	—	—	—	—	16.66/16.39
NGP-2a	→4)-α-GalpA-(1→	97.41	66.34	68.31	77.37	68.46	173.84
	→4)-β-Galp-(1→	104.22	71.68	73.16	76.40	74.36	60.60
	→3)-β-Galp-(1→	103.33	—	80.03	—	—	60.60
	→3,6)-β-Galp-(1→	103.33	—	80.03	—	—	68.33
	→5)-α-Araf-(1→	107.28	80.66	78.89	82.08	66.34
	→3,5)-α-Araf-(1→	106.95	79.12	83.75	80.72	66.34
	t-α-Araf-(1→	109.09	81.11	78.97	80.72	60.95
	→2/2,4)-α-Rhap-(1→	98.58	—	—	—	—	16.66/16.39
NGP-2b	→4)-α-GalpA-(1→	98.10	—	—	—	—	174.53
	→4)-β-Galp-(1→	104.22	71.68	73.16	76.40	74.36	60.60
	→5)-α-Araf-(1→	107.28	80.66	78.89	82.09	66.34
	→3,5)-α-Araf-(1→	106.95	79.12	83.75	80.72	66.34
	→2/2,4)-α-Rhap-(1→	98.16	—	—	—	—	16.66/16.39