DIGESTIVE OVERVIEW TABLE

 

Macro-molecule

Ingested

Site of digestion

Digestive

Enzyme (s)

End-product of digestion

Hormonal control of digestion

Protein

stomach

_________

duodenum

 

_________

duodenum

Pepsin (HCl)

______

pancreatic protease

_________

duodenal peptidases

peptides

_______

peptides

 

_______

amino acids

gastrin

________

secretin

 

________

 

n/a

Carbo-hydrates

mouth

_________

duodenum

_________

duodenum

 

salivary amylase

pancreatic amylase

sucrase, maltase, lactase

disacch-arides

disacch-arides

mono-saccharides

n/a

________

secretin

________

 

n/a

Lipids

duodenum

 

_________
duodenum

pancreatic lipases (bile)

_________

duodenal lipases (bile)

monoglycer-ide and 2 fatty acids

monoglycer-ide and 2 fatty acids

Secretin

(CCK)

________

 

(CCK)

Nucleic acids

duodenum

pancreatic

nucleases

nucleotides

Secretin