digestion of lipids

• • lipases are enzymes which hydrolyse the ester bonds in triglycerides to form fatty acids and monoglycerides
  • lipases are made in the pancreas and secreted into the small intestine
• • bile salts are produced by the liver and stored in gall bladder which releases them into the small intestine
  • they break down large fat globules by emulsifying them into smaller droplets
  • this speeds up the action of lipases by increasing surface area of lipids
  • once the lipid is broken down the monoglycerides and fatty acids stay attached to the bile salts and form smaller structures called micelles