SB1f: Teasting Foods Keywords Flashcards
Benedict’s solution
A bright blue chemical reagent that turns orange or red when warmed with a solution of reducing sugars.
Biuret test
A test that uses copper sulfate solution and potassium hydroxide solution to test for proteins. The blue of the copper sulfate solution turns purple in the presence of proteins.
Calorimeter
Equipment used to measure the energy released from a substance by burning it.
Chemical reagent
A substance or mixture used in chemical analysis or reactions.
Iodine solution
A yellow-orange solution that turns black-blue when in contact with starch.
Precipitate
Insoluble substance formed when two soluble substances react together.
Reducing sugar
A simple sugar, such as glucose or fructose, that reacts with (reduces) Benedict’s solution and changes its colour.