Food Tests

What chemical should you use to test for starch (complex carbohydrates)?

• Biuret

• Benedict's

• Iodine

• Ethanol - emulsion test

What chemical should you use to test for Protein?

• Biuret

• Benedict's

• Iodine

• Ethanol - emulsion test

What chemical should you use to test for sugar?

• Biuret

• Benedict's

• Iodine

• Ethanol - emulsion test

What chemical should you use to test for Lipids/Fats?

• Biuret

• Benedict's

• Iodine

• Ethanol - emulsion test

What food/biochemical would I be testing if I used Iodine solution?

• Simple sugars

• Complex carbohydrates (Starch)

• Proteins

• Lipids

What food/biochemical would I be testing if I used Biuret solution?

• Simple sugars

• Complex carbohydrates (Starch)

• Proteins

• Lipids

What food/biochemical would I be testing if I used Benedict solution and HEAT?

• Simple sugars

• Complex carbohydrates (Starch)

• Proteins

• Lipids

What food/biochemical would I be testing if I used Ethanol and water?

• Simple sugars

• Complex carbohydrates (Starch)

• Proteins

• Lipids

What colour does Biuret turn in the presence of protein?

• Brick red

• Blue/Black

• Purple

• Cloudy

What colour does Benedict's turn in the presence of sugar?

• Brick red

• Blue/Black

• Purple

• Cloudy