Question

the enzyme that acts on starch in mouth

Answer 1

$\huge \bf \colorbox{red}{salivary amylase}$

Digestive Action of Saliva

Digestive Action of SalivaThe acinar cells produce an enzyme called ptyalin, or salivary amylase, which is involved in the digestive process initiating the hydrolysis of starch present in food.

Answer 2

Answer:

Amylases is the enzyme that acts on starch in mouth.