Enzyme | Site of production | Substrate | Product | Optimum temperature | Optimum pH |
Trypsinogen | Duodenum | Proteins | Amino acids | 37.1oC | 7.5-8.5 |
Lipases | Stomach | Fats | Fatty acids and glycerol | 35oC | 3-6 |
Amylases | Saliva | Starch | Glucose | 35-55oC | 6.7-7 |
Nucleases | Pancreas | Nucleic acid | Nucleotides | 37oC | 5-7 |
Pepsin | Stomach | Proteins | Amino acids | 37oC | 2 |