Emulsion test (lipids)

• What does the Sudan 3 test identify?

  It identifies lipids
• What indicates the presence of lipids in the Sudan 3 test?

  A bright red layer at the top
• What is the procedure for the Emulsion test?

  Add ethanol, shake, then add water
• What color indicates lipids are present in the Emulsion test?

  Cloudy white
• What is the final step in the Emulsion test?

  Add distilled water to observe color change
• What does a cloudy white color in the Emulsion test indicate?

  Lipids are present in the sample
• What happens if no cloudy white color appears in the Emulsion test?

  No lipids are present in the sample
• What is the first step in the Sudan 3 test?

  Add Sudan 3 to the food sample