Definition of Benedict's solution in English:

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Benedict's solution

Pronunciation: /ˌbeniˌdikts səˈlo͞oSHən/
(also Benedict's reagent)


A chemical solution that changes color in the presence of glucose and other reducing sugars, used in clinical urine tests for diabetes. It is a mixture of sodium or potassium citrate, sodium carbonate, and copper sulfate.
Example sentences
  • Some sugars are known as reducing sugars (for example glucose and fructose) and they can be recognised by their ability to reduce hot Fehling's or Benedict's solution, producing a brick red precipitate of copper oxide.
  • Place a piece of food in each test tube and then pour 30-40 ml of Benedict's solution over the food.
  • Perhaps the reagent labeled Benedict's solution was made incorrectly and did not work to detect sugar


Named after S. R. Benedict (1884–1936), American chemist.

For editors and proofreaders

Syllabification: Ben·e·dict's so·lu·tion

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