| Organs of the digestive system |
Source Of Enzymes |
Enzymes |
Substances acted upon |
Product |
| Mouth |
Salivary glands |
Amylase, Ptyalin |
Starch |
Complex sugars |
| Stomach |
Gastric glands |
Pepsin |
Proteins |
Peptones and Amino acids |
| Pancreas |
Pancreatic juice |
Trypsin Amylase Lipase |
Proteins Carbohydrates Fats |
Peptide Maltose or sugars Fatty acids and glycerol |
| Small intestine |
Intestinal glands |
Erepsin Maltase Lactase Sucrase |
Peptides Maltose Lactose Sucrose |
Amino acids, Glucose and other sugars |
| Liver |
Bile |
No enzyme only bile salts |
Fats |
They help in absorption of fats by combining with fat soluble substance like cholesterol. Bile contains sodium bicarbonate which neutralizes HCL. |