Steapsin belongs to the class of digestive enzymes called lipases found in the pancreatic juice that catalyzes the hydrolysis of triglycerides (main constituent in vegetable oils and animal fat) to fatty acids and glycerol. When food travels through the oral cavity and down the esophagus into the stomach, enzymes such as pepsin are released where ...
• (n.) An unorganized ferment or enzyme present in pancreatic juice. It decomposes neutral fats into glycerin and fatty acids.
Ste·ap'sin noun (Physiol Chem.) An unorganized ferment or enzyme present in pancreatic juice. It decomposes neutral fats into glycerin and fatty acids. 
Type: Term Pronunciation: stē-ap′sin Synonyms: triacylglycerol lipase
the lipase present in pancreatic juice.