ESS 3 Lecture Notes - Lecture 9: Saturated Fat, American Heart Association, Polyunsaturated Fat

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4 lipoproteins important to know (from least to most dense: chylomicrons. Least dense (largest) largest lipoproteins made in intestinal cells. Transport primarily triglycerides from the small intestine to adipose tissue, cardiac muscle and skeletal muscle via the lymph to the bloodstream: very low density lipoprotein (vldl) Transport primarily triglycerides from liver to muscle and adipose tissue. Made in the liver: low density lipoproteins (ldl) Transports primarily cholesterol from the liver to the cells of the body. Elevated levels associated with increased risk of heart disease. Often called bad cholesterol : high density lipoproteins (hdl) Carry cholesterol from cells and tissues back to the liver (reverse cholesterol transporter) High levels of hdl associated with lower heart disease risk. The concentrations of total cholesterol, hdl, ldl, and triglycerides in the blood affect risk of cardiovascular disease. Linoleic acid is the most abundant polyunsaturated fat in the diet. An essential fatty acid required for varied functions including.

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