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Saliva contains secretions that are produced in salivary glands. It contains 98% water with electrolytes, mucus, glycoproteins, enzymes and antibacterial compounds. The enzyme amylase in saliva aids in breaking down the polysaccharide starch while its in the mouth. The particular enzyme is called ptyalin. Starch becomes simpler sugars when acted on by saliva and further breaks down while in the small intestine, to glucose, a monosaccharide, or simple sugar. Salivary lipase, a fat enzyme aids newborns in digesting fat because their pancreatic lipase is not yet developed. Lingual lipase starts the digestion of lipids and fats.
lingueal lipase to break down fats
salivary amylase to break down starch
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