in Digestion and Absorption (Digestive System and Nutrition) by

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The major enzymes of chemical digestion are:

Enzyme

Substrate

End product

1. Salivary amylase (Ptyalin)

Starch

Maltose

2. Pepsin, Rennin

Proteins

Peptide clots (insoluble casein)

3. Trypsin

Proteins and Peptides

Amino acids

4. Lipase

Starch fats

Maltose

5. Enterokinase

Inactive trypsinogen

Active trypsin

6. Maltase

Maltose

Monosaccharide

7. Sucrase

Sucrose

Monosaccharide

8. Lactase

Lactose

Monosaccharide

9. Aminopeptidase

Peptides

Amino acids

10. Phosphatases

Nucleotides

Nucleosides

11. Intestinal lipase

Spilts fats

Fatty acids, glycerol

 

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