Food test practical

Cards (14)

  • What is the test for sugars?
    Benedict test
  • What is the test for starch?
    Iodine test
  • What is the test for proteins?
    Biuret test
  • what is the test for lipids
    Sudan III
  • How do you prepare the food for the test?
    Take food sample and grind with distilled water to make a paste
  • what colour is iodine solution?
    Orange
  • What colour is Benedict solution?
    Blue
  • What colour will starch test (iodine test) turn if starch is present?
    Black
  • what colour will sugar test turn of a small amount of sugar is present?
    Green
  • What colour will sugar test turn if there is more sugar present?

    Yellow
  • What colour will sugar test turn if there is a lot of sugar present?
    Red
  • What colour is biuret solution?
    Blue
  • What colour will biuret solution change to if protein is present?
    Purple
  • what colour will ethanol solution change to if lipids(fats) are present?
    Cloudy