testing for lipids

• What test is used to test for lipids?

  the emulsion test
• how do you do the emulsion test?

  1. shake the test substance with ethanol for a minute so it dissolves
  2. pour the solution into water
• what will be the positive result?

  any lipid shows up as a milky emulsion
• what happens the more lipid there is?

  the more noticeable the milky colour will be
• how do you test food for presence of lipid?

  dissolve in alcohol

  add water

  white emulsion = lipid is present