SB1f: Teasting Foods Keywords Flashcards

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1
Q

Benedict’s solution

A

A bright blue chemical reagent that turns orange or red when warmed with a solution of reducing sugars.

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2
Q

Biuret test

A

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.

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3
Q

Calorimeter

A

Equipment used to measure the energy released from a substance by burning it.

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4
Q

Chemical reagent

A

A substance or mixture used in chemical analysis or reactions.

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5
Q

Iodine solution

A

A yellow-orange solution that turns black-blue when in contact with starch.

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6
Q

Precipitate

A

Insoluble substance formed when two soluble substances react together.

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7
Q

Reducing sugar

A

A simple sugar, such as glucose or fructose, that reacts with (reduces) Benedict’s solution and changes its colour.

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