Lipids

• are lipids hydrophobic or hydrophilic

  hydrophobic
• what do lipids only dissolve in

  • organic solvents
  • like ethanol
• give an example of an organic solvent

  ethanol
• describe the test for lipids

  • mix test sample w equal volume of absolute ethanol
  • add equal volume of water
  • shake gently
  • lipid will form sport droplets as white + cloudy emulsions
• why do we add absolute ethanol

  to dissolve any lipids