Food Tests Flashcards

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1
Q

How do you test for fats?

A

Add ethanol and water to the food

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2
Q

How do you test for starch?

A

Add iodine to the food

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3
Q

How do you test for protein?

A

Dissolve the food in water and add Biuret’s solution

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4
Q

How do you test for sugar?

A

Add heat to the food and then add Benedict’s solution

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5
Q

What is the colour change for fats?

A

Clear to cloudy

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6
Q

What is the colour change for starch?

A

Orange-brown to blue-black

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7
Q

What is the colour change for protein?

A

Blue to purple

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8
Q

What is the colour change for sugar?

A

Blue to red-orange

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9
Q

What is in Biuret’s solution?

A

Copper sulphate and dilute sodium hydroxide

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10
Q

What is in Benedict’s solution?

A

Copper sulphate

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