Lipid Digestion and Absorption

Gastric lipase

What is responsible for up to 25% of TAG hydrolysis and has an optimal pH around 4?

Stomach

Where does the majority of lipid digestion take place?

Duodenum

Where does the majority of lipid digestion in the small intestine take place?

Hydrophobic

Are lipids hydrophobic or hydrophilic?

CCK cholecystokinin

What is stimulated by the presence of fat?

40-70mL

How many mL of bile and bile acids does the gallbladder hold?

~700mL

How many mL of bile does the gallbladder release daily?

Horse

What species of animal does not store bile salts in its gallbladder?

Low

Hydrolysis of dietary fat by pancreatic lipase is Activated by bile salts at _______ concentrations

High

Hydrolysis of dietary fat by pancreatic lipase is Inhibited by bile salts at ______ concentrations

Pancreatic colipase

What is Secreted by pancreas with lipase, binds to bile salt emulsion droplets, and reduces inhibitory action of bile salts on pancreatic lipase?

Jejunum

Where does most absorption occur in the small intestine?

Apolipoprotein

What is the protein that binds lipid for transport through circulatory and lymphatic systems?

True

True or false. Ruminants do not synthesize true chylomicrons