Food Tests Flashcards by Esther T | Brainscape

Q

Test for starch

A

Iodine

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Q

Colour if starch present

A

Blue/Black

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Q

Colour is starch isn’t present

A

Yellow

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Q

Test for glucose

A

Benedicts

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Q

Colour if glucose is present

A

Red to green

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Q

Color if glucose isn’t present

A

Blue

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Q

Test for proteins

A

Biuret

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Q

Colour if protein present

A

Purple

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Q

Colour if protein isn’t present

A

Blue

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Q

Tests for lipids

A

Ethanol and Sudan III

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Q

Colour if lipids present in ethanol

A

Cloudy/emulsion

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Q

Colour if lipids not present in ethanol

A

Clear

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Q

Colour if lipids present in Sudan III

A

Red layer

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Q

Colour if lipids are not present in Sudan III

A

All pink

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