Table 4 Linkage analysis of PMAA derivative of IMOs, partially methylated alditol acetate in the current study.

From: Immobilization of α-transglucosidase on silica-coated magnetic nanoparticles and its application for production of isomaltooligosaccharide from the potato peel

PMAA derivative

Deduced linkage

Molara ratio

Mass fragment

2,3,4,6-tetra-O-methyl-D-glucitol

Terminal-D-glucopyranosyl

1.02

205, 161, 118, 162

3,4,6-tri-O-methyl-D-glucitol

α-D-Glcp-(1 → 2)- α-D-Glcp

0.12

161, 190

2,4,6-tri-O-methyl-D-glucitol

α-D-Glcp-(1 → 3)- α-D-Glcp

0.05

277, 161, 118, 234

2,3,6-tri-O-methyl-D-glucitol

α-D-Glcp-(1 → 4)- α-D-Glcp

0.43

233, 118

2,3,4-tri-O-methyl-D-glucitol

α-D-Glcp-(1 → 6)- α-D-Glcp

1.0

233, 189, 118, 162

  1. aMolar ratio relative to the 6-Glc, 4-Glc, 3-Glc and 2-Glc residues.
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