Dietary Lipids Are Digested By
In humans fat constitutes an important part of the diet and in some countries it can contribute as much as 45 percent of energy intake.
Dietary lipids are digested by. Digestion and absorption of lipids lipids are large molecules and generally are not water soluble like carbohydrates and protein lipids are broken into small components for absorption since most of our digestive enzymes are water based how does the body break down fat and make it available for the various functions it must perform in the human body. Triglycerides consist of three fatty acid molecules each linked by an ester bond to one of the three oh groups of a. Lipid lipid digestion of dietary fatty acids. Human digestion and absorption of lipids.
Lipid breakdown starts in the mouth with the action of lingual lipases which is secreted by tongue cells the majority of lipids will reach the stomach intact however. Hydrophobicity one of the distinctive properties of many dietary lipids that makes triglycerides excellent molecules for energy storage creates problems when such molecules are digested in the gastrointestinal tract absorbed in the small intestine and finally transported in the circulation after absorption or mobilization from body stores. The main source of fatty acids in the diet is triglycerides generically called fats.