NTR 109 Study Guide - Quiz Guide: Phytosterol, Glycerol, Triglyceride

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Triglycerides what we eat (95%) what we store (in our adipose) made up of three fatty acids (where most of the energy is) and glycerol. Phospholipids we don"t eat much (but lots in eggs) contains essential fatty acids what we use to make cell membranes made of two fatty acids, a polar (water soluble) group and glycerol. The amount of each varies more phytosterols in vegetarian diets. Cholesterol made in the human body when needed this includes when we eat a cholesterol-free food with lots of fat like potato chips needed for cell membranes hormone production vitamin d synthesis lipid transport (in lipoproteins) Phytosterols inhibit cholesterol absorption can lower plasma levels. Have to have at least one double bond (in the correct position, omega 3 or 6) Are used to regulate the action of cells. The ultimate source in animals is actually plants or algae.

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