Food tests

• Starch Test

  1. Add iodine

  2. Positive turns blue black
• Sugar Test

  1. Add benedict's

  2. Water bath

  3. Positive turns green, orange, red

  4. Negative stays blue
• Fat/Lipids Test

  1. Add water and ethanol to food sample

  2. Pour into water, positive turns cloudy
• Protein Test

  1. Add biuret

  2. Positive turns purple

  3. Negative stays blue