Table 2.

GC-MS data for alditol acetate derivatives from methylated polysaccharide (BEPS-IB) isolated from B. exarata.

Methylated sugar	Retention	Molar ratio	Mass fragment (m/z)	Type of linkage
	time (min)
2,3,4,6-tetra-O-Me-Glc a	14.80	1.32	43, 45, 71, 87, 101, 117, 129, 145, 161, 205	Glc-(1→
2,4,6-tri-O-Me-Man	16.95	3.16	43, 45, 87, 101, 117, 129, 161, 233	→3)-Man-(1→
2,3,4-tri-O-Me-Glc	17.31	6.43	43, 45, 71, 87, 101, 117, 129, 161, 173, 189, 233	→6)-Glc-(1→
2,4-tri-O-Me-Man	19.16	0.97	43, 87, 101, 117, 129, 189	→3,6)-Man-(1→

^a 2,3,4,6-tetra-O-Me-Glc = 1,5-di-O-acetyl-2,3,4,6-tetra-O-methyl-glucose.