ESS 3 Lecture Notes - Lecture 9: Vitamin B12 Deficiency, Folate Deficiency, Neural Tube Defect
12 Oct 2018
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Document Summary
Include vitamin c and the b-vitamins: readily absorbed through intestinal wall and travel to cells, we can"t store large amounts because our kidneys filter out any that are unused or unneeded, all except choline function as coenzymes. Function as coenzymes in chemical reactions that release energy from carbohydrates, proteins, and fats: vitamin b1: thiamin, functions, coenzyme form in energy metabolism, production of neurotransmitters. Synthesis of rna and dna: deficiency alters the production of several neurotransmitters, leading to mental disturbances, vitamin b3: niacin, functions: Synthesis of glucose, fatty acids, cholesterol, and steroid hormones: energy metabolism, dna repair, cell signaling, regulation of gene expression, sources, meats and fortified grains (rely on animal foods, deficiency. Symptoms: fatigue, dermatitis, diarrhea, mental deterioration, death: grain products may be fortified or enriched with b-vitamins and other nutrients to replace nutrients lost in processing or to increase nutrient content.
