Answer :
The actions of salivary amylase is inhibited as it enters the stomach.
When carbohydrates are digested,they are converted into monosaccharides by the action of gastrointestinal tract enzymes.
Salivary Amylase,which is present in the mouth, splits carbohydrate into simple carbohydrates(maltose) and other small polymers of glucose.
Because the food remains in the mouth only for a short period of time, not more than 5% of the carbohydrate will be hydrolyzed by the salivary amylase enzyme.
As the food is swallowed, it is mixed with the stomach secretions which falls below pH of 4( that is, acidic).
The salivary amylase is essentially inactive once in acidic medium like the stomach.
Therefore, the actions of salivary amylase is inhibited as it enters the stomach.
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