Question

where is pytalin secreted and what is its role in digestion

Answer 1

function in digestive  systems of animals. …other mammals, an alpha-amylase  called ptyalin is produced  by the  salivary glands, whereas pancreatic amylase  is secreted  by the  pancreas into the small intestine

Answer 2

Ptyalin is secreted by salivary glands which are present in mouth. Its role in digestion is that it hydrolyses about 30-40℅ of starch into maltose and isomaltose at pH 6.8:

salivary amylase
Starch-------------------------->Maltose+ Isomaltose
6.8pH, Cl-
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