Oct 24
2.30 Bile
recall that bile is produced by the liver and stored in the gall bladder, and understand the role of bile in neutralising stomach acid and emulsifying lipids
- The PH of the stomach is 3 due to the presence of Hydrochloric Acid
- The Pancreas produced digestive enzymes
- The liver is responsible for the production of a substance called bile. and the bile is stored in the galf bladder
- When food is realised from the stomach in to the small intestine the PH is about 3. This makes the bile come out from the galf bladder through the bile duct
- The bile joins the pancreatic duct which mixes with the digestive enzymes
- The bile has two effect on meeting the partially digestive contents of the stomach the first effect is to neutralize the stomach acid and to create the PH of about 7.The second effect of the bile is that fat molecules are broken down in the small droplets
- When fat molecules are broken down in to small droplets it is called emulsification (this is not an enzyme action) - the reason of this is to increase the surface area of lipids

