Bile juice contains no digestive enzymes, yet it is important for digestion. Why?
The bile juice, also known as hepatic bile, is produced by the liver and concentrated into the gall bladder. After secretion into the duodenum, the bile juice gets mixed with the food and causes the breakdown of large fat molecules into smaller ones. The bile juice secreted can act as a surfactant to some extent and help in the emulsification of fat molecules. The anions of bile salts are hydrophobic from one side and hydrophilic from another side; they aggregate around the lipid molecules and prevent them from fusing and forming the large molecule. In bile juice, no enzymes are there, but it helps in the breakdown of fat molecules and assists in the functioning of pancreatic enzymes that form simpler fats.
