Saliva contains a carbohydrate splitting enzyme called salivary amylase (ptyalin).
Action of ptyalin (salivary amylase) It is α - amylase, requires Cl- ion for activation
Digestion in Duodenum Food reaches the duodenum from stomach where it meets the pancreatic juice. Pancreatic juice contains a carbohydrate-splitting enzyme pancreatic amylase.
Action of pancreatic Amylase It is also an α - amylase, optimum pH 7.1. Like ptyalin it also requires Cl- for activity.
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