Table 2.

The sugar residue connection mode of GPS-1.

Connection method	Derivative name	molecular weight (MW)	relative molar ratio (%)
t-Rha(p)	1,5-di-O-acetyl-6-deoxy-2,3,4-tri-O-methyl rhamnitol	293	2.336
t-Ara(f)	1,4-di-O-acetyl-2,3,5-tri-O-methyl arabinitol	279	4.328
t-Fuc(p)	1,5-di-O-acetyl-6-deoxy-2,3,4-tri-O-methyl fucitol	293	1.174
t-Xyl(p)	1,5-di-O-acetyl-2,3,4-tri-O-methyl xylitol	279	0.944
2-Rha(p)	1,2,5-tri-O-acetyl-6-deoxy-3,4-di-O-methyl rhamnitol	321	1.246
3-Rha(p)	1,3,5-tri-O-acetyl-6-deoxy-2,4-di-O-methyl rhamnitol	321	1.123
t-Gal(p)	1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl galactitol	323	4.051
t-Gal(p)-UA	1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl galactitol	323	6.076
5-Ara(f)	1,4,5-tri-O-acetyl-2,3-di-O-methyl arabinitol	307	2.797
4-Ara(p)	1,4,5-tri-O-acetyl-2,3-di-O-methyl Araitol	307	1.352
4-Gal(p)-UA	1,4,5-tri-O-acetyl-2,3,6-tri-O-methyl galactitol	351	61.675
4-Glc(p)	1,4,5-tri-O-acetyl-2,3,6-tri-O-methyl glucitol	351	1.942
4-Glc(p)-UA	1,4,5-tri-O-acetyl-2,3,6-tri-O-methyl glucitol	351	1.942
6-Gal(p)-UA	1,5,6-tri-O-acetyl-2,3,4-tri-O-methyl galactitol	351	4.955
3,4-Glc(p)	1,3,4,5-tetra-O-acetyl-2,6-di-O-methyl glucitol	379	0.679
3,4-Glc(p)-UA	1,3,4,5-tetra-O-acetyl-2,6-di-O-methyl glucitol	379	0.679
2,4-Gal(p)-UA	1,2,4,5-tetra-O-acetyl-3,6-di-O-methyl galactitol	379	1.335
3,6-Gal(p)	1,3,5,6-tetra-O-acetyl-2,4-di-O-methyl galactitol	379	1.367