GB 1903.27-2022 is applicable to  lactose as raw material, by Bacillus ATCC 31382 (Bacillus sp.) or Aspergillus oryzae (Aspergillus oryzae) galactosidase catalyzed hydrolysis of galactosidase bonds. The lactose is hydrolyzed into galactose and glucose, and at the same time, the hydrolyzed galactosides are transferred to the lactose molecule through the transfer of galactosides, and the resulting food nutrition fortifier Galactooligosaccharides.

Contents

1. Scope

2. Molecular formula, structural formula and relative molecular mass 

3. Product categories

4. Technical requirements

Appendix A test method

Appendix B Determination of galactooligosaccharides by double-column method

Appendix C Determination of Galacto-oligosaccharides by High Performance Ion Exchange Chromatography