Pathology All India exam 27b28d09 Which protein is absent in saliva? A Lactoferrin B Amylase C Mucin D Intrinsic factor High-Yield Explanation Intrinsic factor is secreted by the parietal cells of the stomach and is not secreted by the salivary glands. Lactoferrin, amylase, mucin, and muramidase are found in saliva.