NUTR 3210 Lecture Notes - Lecture 7: Very Low-Density Lipoprotein, Micelle, Digestion
12 Feb 2017
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Soluble in organic solvents: e. g. ether, chloroform, acetone. Wide variety of structures and functions: 10,000 different lipid species characterized. Component of cell and organelle membranes: classi cation and structure. 9kcal/g: palatability & satiety, source of essential fatty acids. -linolenic acid, linoelic acid: carrier of fat-soluble vitamins. (a, d, e, and k: necessary for growth and. Involved in hormone production: effect in ammation and blood clotting, roles in disease development. Saturated: maximum # of h atoms, only single bonds. Delta system ( : numbering starts from carboxyl end of faith acid. Omega system ( : numbering starts from methyl end of fatty acid. In 1929, george and mildred barr fed rats diets that were completely fat free: scented growth, lost fur, in amed and scaly tails. What about humans: in 1963, infants fed diets that differed in fat content. Diets with <0. 1% linoleum acid had poor growth an thickened dry skin.
