NUTR SCI 132 Lecture Notes - Lecture 25: Biotin Deficiency, Cornmeal, Thiamine
4 Apr 2016
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Niacin: energy release, deficiency is called pellagra (most widespread micronutrient deficiency disease) Closely associated with a diet with the 3 m"s meat (fat), meal (corn meal), and molasses. Corn treated with lime to increase bioavailability: niacin supplements raise hdl levels, newer meds also lower ldl. However, it increases the risk of liver and kidney toxicity. Riboflavin: coenzyme involved in energy release, pantothenic acid. Thiamin: coenzyme, deficiency beri beri, i can"t, i can"t . Biotin: deficiency is rare, in many foods. Chromium: increases the binding of insulin. Iodine: component of thyroxine (thyroid hormone, deficiency is goiter. Takes place in the epiphyseal plates (on the ends of bones: remodeling. Monday, april 4, y: lay down protein matrix and mineral. Osteoclasts: dissolve bone and matrix, release mineral into the blood. Allows bone to reshape itself: so it can adapt to stress, heal injury. Allows bone to be a calcium reservoir. Component of a number of enzymes: blood calcium is tightly regulated.
