NUTR 1010 Chapter Notes - Chapter 8: Nicotinamide Adenine Dinucleotide Phosphate, Homocysteine, Pellagra
15 Aug 2018
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8. 1 - what are vitamins: vitamins are organic compounds that are essential in the diet in small amounts to promote and regulate the processes necessary for growth, reproduction, and the maintenance of health. When a vitamin is lacking in the diet, deficiency symptoms occur: the water-soluble vitamins include the b vitamins and vitamin c (water = b & c). Vitamins in the canadian diet: the ability to isolate and purify vitamins has allowed them to be added to the food supply and incorporated into pills. Health canada regulates which foods must be fortified and which nutrients should be added: natural health products are another source of vitamins in the modern diet. These products include vitamin and mineral supplements as well as amino acids, fatty acids, probiotics, and traditional herbs and other forms of traditional medicine. Bioavailability of vitamins: about 40% 90% of the vitamins in food are absorbed, primarily in the small intestine.
