^aNumber

Methylated sugar

Molar ratio

Mode of linkage

Native

Desulfated

(1)

2,3,4-tri-O-methyl-β-d-glcuronic acid

1.6

1.7

β-d-glucuronic acid-(1→

(2)

2,3,4-tri-O-methyl-β-l-iduronic acid

0.1

tr

α-l-idulonic acid-(1→

(3)

2,4-di-O-methyl-α-l-rhamnose

1.0

1.0

→3)-α-l-rhamnose-(1→

(4)

2,3-di-O-methyl-α-l-rhamnose

3.0

4.0

→4)-α-l-rhamnose-(1→

(5)

2-mono-O-methyl-α-l-rhamnose

0.3

0.8

→3,4-α-l-rhamnose-(1→

(6)

2,3-di-O-methyl-β-d-xylose

0.1

0.4

→4)-β-d-xylose ?(1→

(7)

3-mono-O-methyl-α-l-rhamnose

0.7

0.4

→2,4)-α-l-rhamnose-(1→

(8)

2-mono-O-methyl-β-d-xylose

0.4

0.0

→3,4)-β-d-xylose-(1→

(9)

α-l-rhamnose

0.2

0.0

→2,3,4)-α-l-rhamnose-(1→