Testing for starch

• What should you observe if starch is present?

  A blue-black color change
• What is the first step in preparing the food for testing?

  Grind up the food using the pestle and mortar
• What safety measures should be taken during the experiment?

  • Wear safety goggles
  • Wash off spills immediately
• What are the steps to follow after preparing the food mixture?

  1. Transfer the mixture to a beaker
  2. Add distilled water and stir
  3. Filter the mixture
  4. Put the test material solution onto a spotting tile
  5. Add iodine solution to the filtrate
  6. Observe color change
  7. Record results
• What solution tests for starch?

  Iodine solution