Determination of the concentration of reducing sugars in an unknown sample (grape juice)
The first trial with unexpected result when a certain source of Benedict's solution was used.
%20with%202%25%20glucose(0.5%20ml).jpg)
Positive result of the Benedict's solution test : orange red precipitate
A second trial using a second source of Benedict's solution.
Second estimation
Result of group A (inadequate dilution range)
Result of group B (2% glucose standard on the extreme right)
Result of group C (2% glucose standard on the extreme left)
The following photograph was taken overnight
Alternative white background
¡@
The nutrition information provided by the manufacturer.
Notice that the % value refers to % of daily need, not of concentration.
Back to the physiology experiment menu page
¡@