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Presence and action
of salivary amylase
and the effect of pH
Main previous concepts: Starch / Amylase / Iodine test
Starch (or amylum) is a carbohydrate consisting of a large number of glucose units joined together.
Amylase is an enzyme that breaks starch down into sugar. Amylase is present in human saliva, where it begins the chemical process of digestion.
Amylase splits starch to glucose.
The Iodine test (or lugol) is used to test for the presence of starch.
Iodine solution reacts with starch producing a blue black color.