NUSC 1165 Lecture Notes - Lecture 18: Dietary Supplement, B Vitamins, Bioavailability
Document Summary
Vitamins are organic compounds that contain c-h bonds essential in diet to promote growth and maintain health. When you lack them in diet deficiency symptoms occur. If restored in diet, deficiency symptoms resolve (is most reversible) Vitamins are grouped by the solubility in water. Water soluble vitamins include b vitamins and vitamin c. Cooking can take away some of the vitamins stored in food during preparation. Fortification is adding nutrients to foods during processing. Generally nutrients are not found in the food or added in much larger amounts (ex: Government mandated fortified and enriched food is to promote population health. Enrichment is adding nutrients back to foods that were lost due to processing. A recent study shows there is a significant increase in nutrient consumption in the united. Dietary supplements are another source of vitamins in the diet. Contain vitamins, minerals, herbs, amino acids, botanicals, enzymes or extracts. Benefits are not duplicated by supplements of nutrients in these foods.
