4 - Food Tests

• Safety precautions:

  • Tie hair back and wear safety goggles when performing the Benedict's test using a Bunsen burner and hot water bath.
  • Handle Biuret solution with care. It contains copper sulphate (poisonous) and sodium hydroxide (corrosive). Wash immediately if comes into contact with skin and wipe away any spills to surfaces.
  • Keep ethanol solution away from flames as ethanol is highly flammable.
• Describe how you would prepare a sample of food to be tested:

  Grind up food samples using pestle and mortar

  Mix with water

  Filter with funnel and filter paper