Inverted Sugar Syrup - Chemical Reaction of The Inversion

Chemical Reaction of The Inversion

The term 'inverted' is derived from the method of measuring the concentration of sugar syrup using a polarimeter. Plane polarized light, when passed through a sample of pure sucrose solution, is rotated to the right (optical rotation). As the solution is converted to a mixture of sucrose, fructose and glucose, the amount of rotation is reduced until (in a fully converted solution) the direction of rotation has changed (inverted) from right to left.

C12H22O11 (sucrose, Specific rotation = +66.5°) + H2O (water, no rotation) → C6H12O6 (glucose, Specific rotation = +52.7°) + C6H12O6 (fructose, Specific rotation = −92°)
net: +66.5° converts to −39°

Hydrolysis is a chemical reaction in which a molecule breaks down by the addition of water. Hydrolysis of sucrose yields glucose and fructose about 85%, the reaction temperature can be maintained at 50–60 °C (122–140 °F).

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