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Detailed description

Food Testing Project GB 5009.7-2016 National Food Safety Standard - Determination of Reducing Sugar

Detection standard

  • Detection specification


This standard specifies the determination method for reducing sugar content in food The first and second methods of this standard are applicable to the determination of reducing sugar content in food The third method of this standard is applicable to the determination of reducing sugar content in wheat flour The fourth method of this standard is applicable to the determination of reducing sugar content in beet root tubers

Direct Titration Method


After removing protein from the sample, use methylene blue as an indicator to titrate the calibrated alkaline copper tartrate solution (calibrated with a reducing sugar standard solution) under heating conditions. Calculate the reducing sugar content based on the consumed volume of the sample solution.

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