Enzyme ptyalin is seen in -

Correct option is D

The correct answer is (d) Saliva.
· Ptyalin, also known as salivary amylase, is an enzyme found in saliva. It plays a crucial role in the digestion of starches, breaking them down into simpler sugars in the mouth during the process of chewing.
Information Booster:
· Gastric juice : Contains hydrochloric acid and pepsin, which aid in protein digestion.
· Pancreatic juice : Contains enzymes like trypsin, lipase, and amylase that help in digesting proteins, fats, and carbohydrates.
· Intestinal juice : Helps in the final stages of digestion in the small intestine, breaking down nutrients for absorption.