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Created by: Alfie Gard
Created on: 20-01-20 18:31

What is the test for starch?

Add Iodine solution into a test tube if starch is present the solution will turn into a blue/black colour.

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What happens if there is no starch present?

The iodine will remain an orange colour.

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What is the test for sugars such as glucose?

Add 10 drops of benedick solution onto your food source. Place the test tube into a beaker filled with hot water from a kettle, leave for 5 minutes. If sugars are present the benedicks solution should change colour.

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What colour is benedicks solution?

Benedicks solution is blue.

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What is the test for protein?

Add Biuret solution into a test tube onto your food source. If protein is present the solution will turn from blue to a purple/pink colour.

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What is the test for lipids?

Emulsion test- add ethanol to your food source, shake it, add water. If it goes cloudy then lipids are present.

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What colour is Sudan 3?

Sudan 3 is a red colour.

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Other cards in this set

Card 2

Front

What happens if there is no starch present?

Back

The iodine will remain an orange colour.

Card 3

Front

What is the test for sugars such as glucose?

Back

Card 4

Front

What colour is benedicks solution?

Back

Card 5

Front

What is the test for protein?

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