Food tests Flashcards

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1
Q

Test for glucose

A

1) Put food sample in a test tube
2) Put it into a boiling hot water bath
3) Add Benedick’s solution
4) Will turn brick red if glucose is present

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2
Q

Test for starch

A

1) Put food sample in a test tube
2) Add a few drops of iodine solution and shake gently
3) Will turn blue/black if starch is present

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3
Q

Test for proteins

A

1) Put food sample in a test tube
2) Add Biuret solution and shake gently
3) Will turn purple if protein is present

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4
Q

Test for Lipids

A

1) Put a food sample in a test tube
2) Add 3 drops of Sudan III stain solution
3) Will stain lipids bright red if they are present

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