Saliva has the enzyme

Pepsin

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Ptyalin

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Trypsin

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Rennin

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Solution

The correct option is B Ptyalin
Ptyalin is an amylase present in saliva that catalyzes the hydrolysis of starch into maltose and dextrin. An enzyme found in the saliva of humans and herbivorous animals that helps in the predigestion of starches. Ptyalin is a type of amylase. Rennin, trypsin and pepsin acts on proteins and absent in saliva. Thus, option B is correct.

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