NUTR 1010 Lecture Notes - Sickle-Cell Disease, Spinach, Hemolytic Anemia
9 Apr 2013
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What does blood do: transports oxygen and nutrients, removes waste products, helps with the healing process (blood carries platelets for clotting, support the immune system (blood carries white blood cells) Red blood cells: contain hemoglobin, hemoglobin binds oxygen, delivers oxygen to cells. If there are too few red blood cells or if the red blood cells are damaged in some way, oxygen transport doesn"t happen: too few blood cells = anemia, note: there are several kinds of anemia, macrocytic anemia. B vitamins: b1 (thiamin, b2 (riboflavin, b3 (niacin, b6 (pyridoxine, folate (folic acid, b12 (cobalamin, biotin, pantothenic acid. Folate (latin for foliage : water-soluble b vitamin, rda for men and women >19 y is 400 ug/d. What happens if we consume too little folate: our body will not be able to produce folic acid, consequences, increases homocysteine levels, impaired dna synthesis and cell division, leading to macrocytic, possible neural tube defects in babes anemia.
