Bile juice

Composition

• water
• bile salts
• bile pigments
• inorganic salts
• fats

Function:

• Help in emulsification, absorption and digestion of fat.
• Activates the action of lipase.
• Bile salts acts as bactericides.
• Neutralizes excess acids before entering ileum.

Regulation:

• As chyme (acidic) enter duodenum, enteroendocrine cell of duodenum stimulate two hormone namely cholecystokinin and secretin.
• Secretin: increase bile secretion by liver.
• CCK: contract gall bladder so that bile get released.