Major Digestive Enzymes (Lecture 2 - Digestion and the Alimentary Canal) Flashcards
Salivary Amylase (carbohydrate digestion)
Produced by: Salivary glands
Site of Action: Mouth
Optimum pH: Neutral
Digestion: Starch + H2O –> maltose
Pancreatic Amylase (carbohydrate digestion)
Produced by: Pancreas
Site of Action: Small Intestine
Optimum pH: Basic
Digestion: Starch + H2O –> maltose
Maltase (carbohydrate digestion)
Produced by: Small Intestine
Site of Action: Small Intestine
Optimum pH: Basic
Digestion: Maltose + H2O –> glucose + glucose
Lactase (carbohydrate digestion)
Produced by: Small Intestine
Site of Action: Small Intestine
Optimum pH: Basic
Digestion: Lactose + H2O –> glucose + galactose
Pepsin (protein digestion)
Produced by: Gastric glands
Site of Action: Stomach
Optimum pH: Acidic
Digestion: Protein + H2O –> peptides
Trypsin (protein digestion)
Produced by: Pancreas
Site of Action: Small intestine
Optimum pH: Basic
Digestion: Protein + H2O –> peptides
Peptidases (protein digestion)
Produced by: Small intestine
Site of Action: Small intestine
Optimum pH: Basic
Digestion: Peptide + H2O –> amino acids
Nuclease (nucleic acid digestion)
Produced by: Pancreas
Site of Action: Small intestine
Optimum pH: Basic
Digestion: RNA and DNA + H2O –> nucleotides
Nucleosidases (nucleic acid digestion)
Produced by: Small intestine
Site of Action: Small intestine
Optimum pH: Basic
Digestion: Nucleotide + H2O –> base + sugar + phosphate
Lipase (fat digestion)
Produced by: Pancreas
Site of Action: Small intestine
Optimum pH: Basic
Digestion: Fat droplet + H2O –> monoglycerides + fatty acids