Table 2.

The glycosidic linkages of DRP-I and DRP-II determined by methylation analysis

tR/min	Methylated sugar	Mass fragments (m/z)	Type of linkage
7.720	2,3,4-Me3-Xylp	59,73,87,101,102,117,118,161,162	T-Xylp
11.107	2,4-Me2-Fucp	59,72,89,101,113,118,131,160,234,243	→ 3)-Fucp-(1 →
11.711	2,3,4,6-Me4-Glcp/Manp	43,71,87,102,118,129,145,162,205	T-Glcp/Manp
12.379	2,3,4,6-Me4-Galp	43,71,87,102,118,129,145,162,205	T-Galp
15.082	2,4,6-Me3-Galp	59,74,87,101,118,129,161,174,202,234,277	→ 3)-Galp-(1 →
15.370	2,3,6-Me3-Manp	59,71,87,102,118,129,143,162,173,233	→ 4)-Manp-(1 →
17.235	2,3,4-Me3-Galp	59,71,87,99,118,129,162,173,189,233	→ 6)-Galp-(1 →
20.857	3,4-Me3-Galp	74,87,99,100,129,130,189,190,233	→ 2,6)-Galp-(1 →
20.980	3,4-Me3-Manp	43,87,101,118,129,139,160,189,234	→ 2,6)-Manp-(1 →